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Old 09-19-2021, 02:00 PM   #1
Jacobpockros
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Default Longevity on 2015+ WRX’s?

My 2001 Legacy finally tapped out after 180k+ miles. I had been keeping it alive for some time with several parts, head gaskets, etc. I'm now looking into 2015+ manual WRX's and wondered how long the FA's last? I'm a Technician for Ford and do all my upkeep but would still like to have an engine that can at least let me get to and from my job without inconveniences. Do they have any issues with head gaskets, or internal failures? I'm considering getting one in the 50k mile range and would keep the car for a long time.
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Last edited by Jacobpockros; 09-19-2021 at 02:51 PM.
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Old 09-20-2021, 11:22 AM   #2
2018wrx_newbie
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2015+ WRX's have been mostly reliable. The weak point is the connecting rods, and have been an issue mostly on heavily modded cars. I think this is a good platform. I have had my 2018 for about 3.5 years and love it.
Having said that, I would not recommend buying these used. Far too often, 20-somethings mod the heck out of it, skip on maintenance, beat the **** out of it and then trade it in after reverting it to stock. Buying these cars used is a roll of the dice in my opinion. They also hold up their value well, so its not like you are getting a good deal either typically.
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Old 09-20-2021, 06:47 PM   #3
tegxsi
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All cars have a weakness when you ask for more. In stock form I think they are pretty reliable...

No head gaskets to worry about. It's DI so you'll get carbon build up on the valves like any other engine that is DI.
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Old 09-20-2021, 09:55 PM   #4
jasonwrx86
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The FAs should last pretty long. Completely different eras of engineering.
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Old 09-21-2021, 09:02 AM   #5
alapilusa
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I'm at 6.5 years and 121,000 miles on my 2015 WRX with the 6spd manual. No real issues to complain of. Been tuned since 5,000 miles, adding bolt-ons until 18,000 miles when I got a protune at 330/330 on 93. Same tune and mods since without issue. I'd say very reliable.
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Old 09-21-2021, 12:47 PM   #6
f22boy
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A tad over 5 years and 150k miles, no real issues. Regular oil changes, let the car warm up before romping on it and cool off before shutting it down. I do my plugs every 30ish thousand miles and I have no issues with my car. Granted I bought new back in 2016. The fb forums will scare you away.
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Old 09-27-2021, 01:03 PM   #7
vegwrx
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Default Longevity on 2015+ WRX’s?

Oops… duplicate post? Sorry.

Last edited by vegwrx; 09-27-2021 at 01:08 PM.
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Old 09-27-2021, 01:05 PM   #8
vegwrx
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Default Longevity on 2015+ WRX’s?

At 93k on my 17mt. “Stage 2 mods” at 290hp on 93

Modded and tuned since about 20k and has held up with regular pm thus far. Fingers crossed for another 90k

Edit:
Also I feel like people b**** and moan as if this engine is made of glass which I don’t understand. Like over sensationalizing something based on a few isolated cases? I don’t know I just work here.
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Old 09-27-2021, 01:29 PM   #9
tegxsi
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As long as you respect the limits of the engine then it can last...

The EJ ringlands are kinda like glass... lol
It's just fears that carry over from previous gens.
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Old 09-27-2021, 02:50 PM   #10
Jacobpockros
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Wow I'm surprised to hear these seem to be going strong for you guys? The most I would do to it would be stage 1 stuff with a good tune. Not looking to ask it to do much more than stock. Would be a commuter car for me I don't drive my cars hard anymore either. I love the fact that Subaru uses chains on them now and I can just hook our fuel induction service machine up to them once in a while for the carbon issue, that doesn't bother me. I'm mainly looking to buy a stock 1-owner car. How bad are the 15's compared to later years? Heard there were some kinks on the first year models but not sure how true that is.
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Old 09-27-2021, 04:41 PM   #11
tegxsi
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I recall earlier models had throwout bearing issues.
2018 is when they revised the clutch components but not sure if the change is related to the throwout bearing problems.

I also recall some 2015 cars having some camshaft position sensor issue that causes all sorts of trouble codes. Some of these codes get burned into the ECU and needs to be replaced. That still may not solve the problem. It's not wide spread but probably a good reason to avoid 2015.

Earlier cars had some stupid battery charging coding in the ECU that allows to alternator to "shutoff" for better fuel economy. This caused a lot of battery issues as it allowed the battery voltage to drop below 12V while in operation (I wouldn't be surprised this cause the cam issue above). There is a factory ECU update for this and Cobb's latest maps fix this.
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Old 09-28-2021, 02:47 PM   #12
Rexy18
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E50 tuned since <5000 and at 45,000mi now, straight ethanol 40k miles. Not one issue.

350/350 conservative flex tune by Ron Watson. What is 91 octane?

Reliable so far.
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Old 10-02-2021, 09:17 AM   #13
basyager
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im gonna hoard engines and ecu's and harnesses and whatnot and make this car last forever i can see original engine lasting long enough to where the car is old and you just wanna refresh it. i think it's got a little of that toyota reliability in it as long as you dont abuse it. i am ok with stock performance for my DD needs. as far as 2015+ there' high mile gems, i've seen one with 265,000km for 10,000canadian, still runnng. oem shortblock assembled is 2k

Last edited by basyager; 10-02-2021 at 09:22 AM.
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Old 10-02-2021, 10:35 AM   #14
Straight6
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Old 10-11-2021, 09:12 AM   #15
vtwinjunkie
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They are very reliable in relatively stock form and with basic mods.

I have seen a few on the facebook forums with over 250k miles on them here in the states.
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Old 10-12-2021, 02:26 PM   #16
basyager
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Quote:
Originally Posted by Straight6 View Post
he drove 3 hours a day though on the highway. it was basically in impreza mode.

That's the secret to keeping a wrx for a long time, run it in "impreza mode"

Subaru what are you doing.. wrx needs a dial switch with "impreza mode" which completely shuts off the turbo and allows the car to run on 87.. and make it come in a hatchback
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