This video is brought to you by LandRover/Jaguar.

These engines all are known to fail badly, but how about a companion video? This one would be engines that don't necessarily kill themselves, but are so bad to live with that you wish they would. I suggest this because I never tire of hearing how bad the GM Iron Duke 2.5 four is, despite it being quite stout and long-lived.

There's a reason why Hyundai and Kia have crazy warranty with their vehicles 😂

What about the Chevrolet Vega and it’s sleeveless aluminum block Yeah I don’t even want to talk about that

Ahh, good old GM. I worked for them for sixteen years in the service area. That 3.6 is that bad and then some. Thankfully someone got rid of the "pesky"😉 3800 v-6. Too reliable, were not making any money off of their dependability, along comes the 3.6 money pits.

As a long time owner of Vettes (now my C7) even their interpretation of cylinder deactivation leaves you avoiding using it (especially easy on my manual).....a tech that has yet to overcome its risks.....

I'm surprised not to see Jaguar on the list. I've heard a lot of horror stories, and there are companies that even make kits to swap GM engines for the Jaguar straight 6s, but it was one of my roommates in college that really sank it home. He had an early 80s XJ6 and it literally spent more time broken down that on the road. He even had two complete engine replacements in as many years. On the last one, he found out that Jaguar made some critical internal engine parts out of plastic and that was it. The last time I saw him he was driving his dad's Ford pickup. My worst car was a 99 VW Passat 1.8t. It was solid, had a great suspension, and felt up-scale to sit in, but the turbo never worked right. I took it to three different mechanics and none of the 'fixes' they did made any difference. It would rev just fine... up to about 1500-2000 rpm and would just stop accelerating. If I tried to push it, it would just bog and die. I didn't even get enough out of selling it to finish off the loan, so I was still paying off a car I no longer owned. That was in 2004 and I haven't owned a car that wasn't a Honda or Toyota since.

I have a broken 3.6L in the garage right now from you guessed it.... timing chain failure. This one has suffered from lack of oil changes and now consumes lots of oil, the pressure dipped and it jumped timing. P.S. glad to see the JLR 5.0 dropped off the list from a year ago. I have a 180k JLR 4.0 (known for being worse) that other than doing the timing set once has been rock solid, and my JLR 5.0 currently has 95k and all that one has needed so far is oil changes.

There is nothing you can do for the 6.4, however there is a lot that can be done to make the 6.0 decent, but its still a 6.0.

How about the Deathstar aka Northstar 4.6

Ford 5.2-liter V8 Voodoo Coyote that came in the Mustang GT350 2015-2020 was plagued warranty work issues. The engines have been known to fail because of oil consumption problems.

I have a 07 ford expedition limited for 7 years and I never had that issues you have mentioned 😊

For the Kia/Hyundai GDI Gamma engines. Were they improved on or do they still suffer from the same problems or whole new ones. Mine during winter cause you need to warm it up when it hits lower than -20C, she tends to over fuel and mixes with the oil.

It's not just the EJ255/257 that have oil consumption issues. The early-series FB25s (starting in 2011) have that problem too. Ask me how I know. It took Subaru until 2016 to figure out how to stop those oil consumption problems.

My ex dropped 20k on a Veloster. Couldnt be happier knowing that thing is a bigger piece of junk than i originally thought it was.

BMWs 10 cylinder m5 should be on here

Family works in the salvage business. You can get 200k plus out of an ecoboost, easily. You just have to use a quality synthetic and change it every 3.5k like your life depends on it and the engines will hold up.

Little addition from a European here on the Mini/BMW N14… These engines were made in collaboration with PSA, and the engine was found in different configurations in various Peugeots and Citroens as well. Actually still up to this day… I own a Citroen C4 Coupe from 2010 that has one of these, and PSA calls it a EP6DT. So far it’s been all right, but these are before the engines got seriously bad. For these cars, the intakes tend to dirty up and need regular cleaning. Later though, the Citroen DS3 Racing had one of these tuned at 200+ hp and they straight up suffered from pistons warping or even breaking. So yeah, generally not a great engine unless you know what you’re getting into and do some preventive maintenance, and extra maintenance in general :)

I can’t believe the Pontiac Fiero engine isn’t on the list. I still say it’s the worst of all time. The only positive about owning one is that I did learn how to work on a vehicle

What are your thoughts on the newer Hyundai Smart Stream engines that they replaced the crap Theta II engines with starting in 2020? I haven't seen anything about them online or on YT. Do you think these are good engines in terms of expected reliability?

I have owned my 2009 F-150 with the 5.4 Triton since new and have had absolutely no issues. Towing, hauling, long highway trips, driving up dirt roads to camp, and of course the normal day to day start and stop city driving. I always made sure to stay on top of all the maintenance to prevent known issues and have changed the oil frequently. Changed the plugs twice so far with no issues both times. Just passed 200k miles last month and still have not had any major issues since I drove it off the lot. Alternator, water pump, and a cracked coolant hose have been my only issues. I know a lot of people have not had such pleasant experiences with their Triton engines, but I'm just here to report to anybody looking to buy a used Ford with those engines that not all of them are nightmares.

hi ideal i love ur videos

Newer Subarus seem to have solved the head gasket problem but created a new problem by the factory engine sealant used. Seems that after a few years, and with proper maintenance, the sealant leaks in most places. Although Subaru will admit this problem (as a normal maintenance item in their words) they will not issue an extended warranty to cover the engine rebuild and reseal that is needed to fix it. A $5000 price.

Unfortunately, people not intimately involved with the professional's professional side of the industry and even those who are "factory trained" (which just means they took a very brief crash course in basic automotive repair for not even so long as one year) are never worth explaining some things to. Not even remotely

I have been watching the videos for Hyundai and KIA 4 cylinder engine problems, so glad i got the 3.3 litre v-6. Same highway fuel mileage too.😊

We bought a 6.0 powerstroke a few years ago, knowing that it would probably fail at some point in the future. But hey, it only had 75,000 miles and a super low price on it so we're good till at least 150,000 before those pesky head bolts would need replacing right? RIGHT? Well, the EGR exploded 200 miles after purchase. Several thousand dollars of bulletproofing later I can confirm, avoid the 6.0.

Didn't the Vega have an aluminum block and iron heads, not the other way around?

Had 4.0l sohc in explorer, replaced timing chains myself….with Amazon evergreen parts, ran good until I tried to race my bosses ram Cummins and shattered another guide, if u get one and do the chains always use Cloyes

I got a e25 going on 400000 miles and its 80k miles over due of an oil change

Ive got 433k+ on a '95 ej22. One head gasket since 187k at about 255k. Best machine ive ever owned.

So true about the VW 2.0 TSI I had a 2013 Jetta GLI that was great until it reached 70k after that it started to fall apart with carbon buildup.

Not seeing a 4.7 v8 on these lists makes me think they forgot about it (I own a 4.7)

Have a 2016 veloster turbo. 100k+ so far. I keep up with maintenance do most of it myself ^^. Haven’t had any issues so far.

I bought a 2011 Ranger with the Cologne engine brand new. I now have 200,000 miles on it without issue. The trick? Do the damn maintenance. The engine is tight, quiet, and burns no oil between changes. Oil has been changed every 6000 miles since new.

Seen a 1975 Chevy p/u with a 350 with 300,000 and engine has never been opened up other than replacing gaskets or seals.

Fortunately we never got some of these engines in Australia but we get the crappy Kias and Horrible Hyundai's l will never buy one never

Speaking of Toyota, the 2az, which burns hilarious amounts of oil

I am a certified Hyundai service advisor and worked in a service department during the Theta recalls. I can go ahead and confirm for you that I don't care if they're god's gift to motoring nowadays, I will never own one because of the bullshit I saw. I mean, every single day, it was more surprising if there wasn't one coming in with some sort of MAJOR issues if not a fully blown engine.

How about engines that need maintenance but people didn't do it.

I've had 3 WRX's and 3 Outback's and I'm 4 for 6 for blown engines. And one of the Outback's was even an H6!

Lol that first clip.. try that on majority of cars and the same outcome will be achieved 🤣

For the most part I’ve sworn off manufacturers of all engines listed for obvious reasons. With that said, I hope those manufacturers can lure customers back with quality product again. We shall see.

Some are time bombs 😂😂

weird that you mentioned the ej engine but not the subaru diesel that is soo famous for being unreliable that makes a renesis engine look reliable

What no Chrylser 3.6 liter ? Or their 2.4 liter Multiair?

Yes sir I bought a 2012 Audi Avant new. What a money pit. Hpp fuel pump failure, water pump failure, pistons and rings replaced. All prior to 50k. What am I driving now? Just traded my TTRS for a new S5. I suppose I’m a glutton for punishment.

My old 2.0TSI has some 260k km on the clock. I go 200+ km/h on a daily base. The engine runs smooth and needs almost no oil. It got a new chain at 160k km though.

Had a 2014 Santa Fe with the 2.0T , prior to Hyundai getting sued into being forced to replace their engines. We kept up on the maintenance and it still blew at 120,000 km and they didn’t do a damn thing about despite extended warranty. On the plus side, that experience was so negative that we have moved to Toyota and will never buy anything except Toyota/honda now.

Every italian cross-plane V8?

I own an 09 VW GTI with the 2.0L TSI engine. I am saddly part of the chain gang

Had a 12 GLI two turbos 5 Ignition coils and 4 carbon build up cleans and a catastrophic failure all before 130k

What about the m271 from Mercedes c230 ??

The videos picture is very fitting

There are outliers from every brand, even Land Rover has had some rides with 200k problem free miles, but you have to look at the average number of problems on recommended maintenance. That's what matters most.

I'm surprised you guys didn't mention the EJ253. had a 06 2.5i Impreza two years ago and from my experience it was WORSE than my 06 WRX before the 2.5i headgasket blew up within less than 100 miles after getting the oil changed by a professional and other mechanical issues. Not just the EJ255/EJ257 are known to blow up, will admit, they ain't the same quality like the JDM EJs.

My 6.4 power stroke was a absolute nightmare, hands down worst vehicle iv ever had! Powerful, but super expensive, have to pull the cab for most repairs and constantly breaking down. Heads almost always crack

Your thumbnail graphic for this video shows a Subaru logo on the grill. No Subaru engine is in the video. Why did you do this?

Nothing at all can match the Chevy Vega 2.8L engine for being terrible. The first three years of production had a failure rate under warranty that exceeded 100%. Yes, they replaced many of them more than just once or twice. Those of us who are old enough to remember them may also recall the massive piles of the cores that were behind the dealer service departments. And it didn't have a cast iron *block* weith an aluminum *head*, it was the other way around. And that block was amazingly, incredibly awful.

From personal experience, and I've owned a TON of hot garbage, the VW 2.0T engines (all versions of them) are some of the *most reliably unreliable* 21st century engines ever produced. Which is a damn shame because a lot of the cars themselves attached to this shit heap (with proper traditional automatics & manuals that is, not counting DSG's or anything dual clutch from VW) are ironically some of the most reliable VW vehicles they've ever produced. Germany seems to be very good at releasing reliable cars with hilariously unreliable powerplants, or fairly decent powerplants crammed inside horrendously unreliable vehicles. The 2.0T is especially horrible when stuffed in big heavy beautiful CC's, a car that should have only ever been available in n/a 2.5-5's or VR6; Two good reliable torquey engines for a nice very well made and equiped vehicle which is a rare thing from VW

I think is more of the owners fault due to lack of maintaining their car.

I look out my backyard into my neighbors back yard to see not one but two old Toyota Camry in their yard dead. 2009 or something. Must be terrible people or something.

Funny how we Americans love Explosions everywhere. Even if that means our engines

The ford 2.0 turbo in the edges shoulda made the list

I had a 2013 VW Tiguan with the 2.0 Tsi... Biggest POS engine I've ever experienced. There were other reliability issues too, drivers door sagging, panoramic sunroof shade broke and hung down on the sides, steering system failed and locked up... had to be completely replaced. All on a car with just over 100k miles and 3k mile oil changes. I'll never own another VW...

Thankfully i got fa20 , tho the tune is straight garbage, a protune was the fix

250K on my Magnum's AFB HEMI, Then I sold it foe 3 grand.

for toyota Id nominate the 2gr/3gr-fse instead, as it kills the actual block and the repair is .. well a replacement :(

The early 4.0 v6 Ford are tanks.

I have a 2016 Chevy Cruze Lt with a turbo and it has 54,500 miles on the odometer and not had the oil lines hadn’t clog yet

it's funny cause 1.6 ecotec na is a tank engine (ok after longer fast trip on autobahn it needed a touch of oil) but 1.4t is bad also Yugo engine was bad but 648cc used in Maluch (fiat 126p) is much worst my dad and grandpa are still saying that maluch was worst car than trabant

The 6.0 is a gem compared to a 6.4. The 6.0 has its upside and downs but as far as working on it I will never work on a 6.4 ever again. From building 2JZ engines to small blocks the 6.4 diesel is the hardest engine I have ever worked on. The 6.0 still had charm from the 7.3 it was still simple and easy to work on and at the end of the day it's still a pushrod V8 you can work on.

The toyota 4.0 didn't replace the 3.slow. that was replaced by the bullet proof 3.4

I've hear vw Vr6 are also a nightmare

Just saying, you're not wrong about the VW 2.0 TSI having certain, um, issues... BUT... Replace the timing chain tensioner, renew the water pump at 100k, and replace all the plastic cooling bits... And it's a damn solid motor. Idk what you're saying about HPFP or intake cams. Never have I ever seen one die from either of those going bad. The old 2.0 FSI has issues with the HPFP interacting with and often destroying the lobes on the intake cam. Not so for the TSI. I'm at 195k on my daily driver running about 17-18# boost. The wife has 150k on her daily running stage 1 @14-15# boost. I got the wife's car cheap after previous owner fell victim to the timing tensioner issue. Replaced the bent valves with donors from a junkyard 2.5, and timing components (new OEM), and it's been a rockstar for her for the last 45,000 miles. Point being that yeah VW screwed up on the timing tensioner, but really once you fix that if you keep up with the oil changes and replace aging plastic bits in the cooling system, they're stellar and very reliable. Do not recommend for anyone who can't do their own work though!

They didn't use a small block 350 they used an olds 350. There is a considerable difference, still not good

I don't agree with you all about the Subaru engines. It should have been ranked one, and I know Subaru enthusiasts says otherwise. For context, if you ask in a Subaru group "hey, so I was driving my car the other night and the water temps were slightly going up" the only response the Subaru community is "hey so you going to part it out? because your car is done, how much for that door?"

The six points for power stroke is pig, the 6.0 pre-2005 had so many issues which they finally rectified but it was too late because the name Had been tarnished horribly. Even then, the 2005 to 2007 6.0, it’s not something you can have reliably if you tune it Without a lot of investment. My 2005 king ranch 6.0 has 1/4 million miles. It is bone stock, I have the necessary monitoring computer to keep active awareness of How it is functioning. I don’t drive it on trips that are shorter than 15 minutes, I have a Buick 3800 for those. I use the 6.0 to routinely tow an 11,000 pound fifth wheel trailer/RV. Oil changes every 5000 miles or every six months which ever is closer. Coolant gets maintained religiously, both fuel filters get changed at every other or change, and the PCV valve gets cleaned at the same time as the fuel filters get changed. And finally, most importantly, use Ford parts and Ford fluids in these engines. There are horror stories, if you don’t. Those engines want a load to pull, and to be worked. These are not Honda civics, that you just hop in and beat silly. They are very capable machines, but don’t have to be a point of frustration, as long as it was never owned by a 16 year old boy who modded it, didn’t maintain it properly, and was cheap about any of it. I’ve owned it for several years, and my brother-in-law did for the prior eight. I am the third owner, it runs like a dream, and has never been modified.

Which cars have these theta engines in the hyundai lineup😮‍💨

Feel like a lot of euro cars were missing from this list

As a former Sonic owner, I’ve had my problems with the 1.4 Ecotec and it sucks so much, I wanted to drive the car into a ditch. Luckily a Tesla did the job for me.

K20 is where it's at. But I own 2 volvos a t6 polestar and a v8. So I'm dumb

What about dodge 2011 thru 2016 hemi engines I've yet to hear one that doesn't start up without lifters tapping,it's due to their only being one oiler hole on each cam journal instead of two like most other engines and the one hole is rather small that's why they put such thin oil and recommend changing it every 3000 cuz this causes excessive wear on the cam lobes and eventually cam/lifter failure nit to mention changing spark plugs is at least $200

NOW YALL GOTS TO DO BEST ENGINE LIST!!!!

No 2.5 iron Duke from GM? It burned down several Fieros. I had a 1989 s10 that had one. Not the greatest or most powerful 4 cylinders you could have.

And you can also add the 1.2 PureTech from Peugeot but in USA it's rare but in EU it's probably one of the worst engines

My 98 Legacy has 267k on the ej22 motor and auto tranny 🤷🤔

With all these, I'll never understand why French cars get a bad rap

Look at a Lexus Lc 500 5.0 litre engine with ported and direct injection with two oil pumps . I own a 2022 LC 500 coupe and will never fail at least for ten years ! My oil changes are 90 dollars 😂

I thought honda dident have a bad engine till i seen the one saturn used in the vue.

There will always be the one guy that had zero problems and got 300k out of his Kia. Totally ignoring the data that shows how often they fail. I look at engines like gambling because none are perfect and have their weak points. I go buy the odds. Some engines have better odds to make 300k or more miles than other engines. I buy Toyota now and my reason is simple the odds are in my favor and I always get the highest resale and trade in values. They have the lowest total cost of ownership in most categories too. Does not mean I may not get a bad Toyota, but it would be very low odds that I do:P

Come on!! The Vega did NOT have a cst-iron block, it had a silica-aluminum block. The same technology was used in the 450+ CID racing engines used in the Can-Am, but they only had to last about 3 hours between practicing and the race. Vegas didn't last much longer than that...then they became big oil pumps and killed mosquitoes for miles around. Note: GM's iron Duke 4 cylinder DID have an iron block, and it was much more durable...but it only made about 85hp and was installeed mostly in the dreaded Chevette, a car only slightly better than the Vega.

I could find a flaw in any engine, I just don’t make videos about it

Why can’t I have the ford 300 L6 best motor ever built

Was that Roy 😊

want to see the best engine videos

Ive never seen a stock Modern (within 20 ish years) non turbo 4 cylinder subaru engine with proper mantinence blow up or have manor engine failure. Would I buy a turbo subaru engine? No. But there are so many worse engines out there. Especially American and German.

me owning a n14 thats in pieces rn.......

make a vid with the best engines ever made

How did the Chrysler pentastar v6 didn’t make this list? Lol😂

The Glass Box