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RELIABILITY OF 2 LITER DI/TURBO ENGINES #4844529 08/19/18 11:57 AM
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jrcowboys Offline OP
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GUYS:

Just wondering what you think the reliability will be (long term use) of the new 2 liter DI/Turbo engines that produce a lot of power (255 HP, 273 torque)? They sound great, small engine, good gas mileage, great power, etc, but will they hold up for 200-300K miles? Example: The BMW has 11 to 1 compression ratio, which seems awfully high for a turbo engine.

Thoughts?

JR

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844533 08/19/18 12:02 PM
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FermeLaPorte Offline
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Toyota, Nissan, Mazda, Honda have been doing them for ages. Toyota thru Daihatsu has been doing 1L turbo-charged engines that are still running and are more than 15 years old.

Europoor engines? I don't think those will hold up. They are sports engines.

Diesel european engines? I think they are good.

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844539 08/19/18 12:06 PM
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wemay Offline
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Hyundai in sig

6 years (bought in 2012) and 110k miles later...zero issues. Which goes for almost everyone else i know with this tech. Be they domestic or foreign makes.

This TGDi/GDi paranoia is overblown.


2018 KIA Sportage LX AWD
MSS 5W30, PL14459
Next: ST Syn 5W20, ST9688

2013 Hyundai Santa Fe Sport 2.0T
M1AP 5W30, OEM
Next: Same oil, ST9688
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844558 08/19/18 12:27 PM
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The first real high-torque GDIT 4 cylinder was the Mazda 2.3L DISI in 2004. They were pretty reliable, inspired the whole industry and taught us all about LSPI and ignorant tunes. People made a big deal about chain issues when OCIs were neglected and turbo seals leaking on the Borw Warner K04s when thin ILSAC oils were used and engine was shut down hot, but that engine had rock solid machining, metallurgy and design (particularly cooling and lube). That new-on-the-market DISI engine was more reliable than a lot of normal engines at the time that were fraught with head gasket issues, warping, oil burning etc.

So, that was in 2004. I think no one really needs to worry about it now, in 2018. Not saying they're all reliable, but it's already proven that the technology isn't the differentiating factor.

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844620 08/19/18 01:29 PM
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slacktide_bitog Offline
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They are ok if you use premium gas and synthetic 5w30 or 40 (HTHS > 3.5 preferred) with regular OCI's.

Problems arise when they try to put 0w20 and regular in a turbo. That combination does NOT work in a turbo, especially a DI turbo TGDI mad

d1g2 5w30 minimum, dexos2 5w30 or 40 better, A3/B4 even better than that

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: slacktide_bitog] #4844637 08/19/18 01:47 PM
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Malo83 Offline
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GM has improved their 2.0T LTG engines for performance and reliability, key to keeping them in top shape is premium top tier gas and synthetic oil changes, stay away from extended oil changes cheers
http://gmauthority.com/blog/gm/gm-engines/ltg/

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844642 08/19/18 01:54 PM
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Oildudeny Offline
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I believe if you're the original owner do the routine maintenance run the correct oil don't beat the peepee out of the engine it will hold up.


Last edited by Oildudeny; 08/19/18 01:55 PM.
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844644 08/19/18 01:56 PM
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BrianF Offline
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My brother just picked up a 2019 Acura RDX with its turbo DI four cylinder. They indicate premium is preferable and wanting 20 weight oil.


2006 Trailblazer LT. QSUD, Fram Ultra.
2017 Ram 3500 SLT Megacab. Duron SHP 10w30, Baldwin BT7349.
1993 GMC 1500. QSAD, Fram PH5
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844649 08/19/18 02:03 PM
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Pelican Offline
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Originally Posted By: jrcowboys
GUYS:
Just wondering what you think the reliability will be (long term use) of the new 2 liter DI/Turbo engines that produce a lot of power (255 HP, 273 torque)? They sound great, small engine, good gas mileage, great power, etc, but will they hold up for 200-300K miles? Example: The BMW has 11 to 1 compression ratio, which seems awfully high for a turbo engine.
Thoughts?
JR


Under ideal conditions with ideal maintenance they would, but under our everyday driving with the average driver's mechanical knowledge not on you nelly !!!

Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: wemay] #4844719 08/19/18 03:37 PM
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WhizkidTN Offline
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Originally Posted By: wemay
Hyundai in sig

6 years (bought in 2012) and 110k miles later...zero issues. Which goes for almost everyone else i know with this tech. Be they domestic or foreign makes.

This TGDi/GDi paranoia is overblown.


I too am a very happy owner even with less miles than you but with lots of power creating modifications (and it sure is FUN).
But to be fair, Kia/Hyundai's 2.0L T-GDI engines have had their own set of issues both in how well they are maintained by their owners (they really, really need OCI of 5K miles or less with a great oil) and how they initially were built at the factory (the bearing journal debris recall of ~2% of certain engines built which caused blown rods, etc.). These engines are known to pop plugs that are too hot a range (screwing the engine) under hard load conditions with inferior gas, create intake valve carbon deposits over a long time frame, etc. There are of coarse good mitigations for all these things which an owner can employ.

Just remember, No technology or manufacture is perfect 100% of the time. BUT, the odds are with you if you use good common sense (a rare thing these days), excellent maintenance habits and trust in reasonable economies of scale when it comes to building these complex machines millions of times by both robots and humans. I'm still a fan!


His: '12 Kia Optima SX - 2.0L GDI Twin-Scroll Turbo [Tuned] (85K)
>EDGE 0W-40, Fram XG9688
Her's: '14 Nissan Rogue SL AWD - 2.5L NA (94K)
>EDGE 0W-20, Fram XG6607/XG7317
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844729 08/19/18 03:59 PM
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MParr Offline
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Being the owner of a Ford Escape 2.0T, I have to agree with the Hyundai/KIA guys. Forget the oil life monitor and change the oil at 5,000 miles. Use a good quality synthetic 5W30 or 5W40. I either run premium gas or non-ethanol 87 octane. The engine performs better and gives better fuel mileage on those two fuels.


2019 VW Tiguan SE Now: Mobil 1 ESP 5W30 & OE VW/Mann
2017 Ford Escape SE 2.0T Now: Motorcraft 5W30 SynBlend & NAPA Gold 1348
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: wemay] #4844743 08/19/18 04:23 PM
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Originally Posted By: wemay
Hyundai in sig

6 years (bought in 2012) and 110k miles later...zero issues. Which goes for almost everyone else i know with this tech. Be they domestic or foreign makes.

This TGDi/GDi paranoia is overblown.


I think a lot of Lexus IS250 owners would disagree that the DI carbon problem was overblown. Plenty of pictures on the net, and even Lexus extended the warranty on those engines.


1992 Toyota Pickup--AmazonBasics Conventional--10W-30--Toyota 90915YZZD1
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: FermeLaPorte] #4844749 08/19/18 04:32 PM
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Originally Posted By: FermeLaPorte
Toyota, Nissan, Mazda, Honda have been doing them for ages. Toyota thru Daihatsu has been doing 1L turbo-charged engines that are still running and are more than 15 years old.

Europoor engines? I don't think those will hold up. They are sports engines.

Diesel european engines? I think they are good.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2007 Chevy Trailblazer 4.2 - 2003 Ford Taurus 3.0 Vulcan
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: jrcowboys] #4844921 08/19/18 08:26 PM
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Trav Offline
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The VW 2.0T is holding up well.


ASE L1, Master. Deutsch Meisterbrief.
Re: RELIABILITY OF 2 LITER DI/TURBO ENGINES [Re: BigD1] #4845086 08/20/18 04:34 AM
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I agree. I have 152K so far no CB issues. But, I keep it on the highway and it helps having a manual and let it rev pretty high b4 shifting.

I add Gumout PEA multi to crankcase about 1K miles b4 OCI and Gumout PEA every other tankful.

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