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So basically I am thinking of getting a 2015 with 120K miles. Yes or no? Only one owner. Please give loads of feedback.
 

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So basically I am thinking of getting a 2015 with 120K miles. Yes or no? Only one owner. Please give loads of feedback.
Me too, but with a bit lower mileage ... ~ 100k ... which means I'll be owning it past 120k and I'd like to know what I'm getting into.

So far ... it appears the vehicle suffers from all the normal crappy Jeep things, little things here and there that break (like the water pumps, CF trim, bearings etc).

I'm seeing a lot of complaints about the ZF8 transmission (hard shifts) but no really expensive repairs .. which is odd because BMW has been using ZF6 and ZF8 transmissions for 15+ years and they tend to need work (or replacement) by ~100-120k ... I'm thinking mechatronic sleeves etc.

Engine-wise ... seeing lifter issues that result in metal shavings in bearings, needing engine rebuilds. Can't tell if this is prevalent. Nothing as serious as the Cayenne / X5M cylinder scoring though.

Rust? That's one of my concerns, but that will be easy to find crawling under the vehicle.
 

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Big powerful engine so should last well, check service history as oil changes are every 7500 miles according to the owners manual.
I've read somewhere a certain type of oil is preferred also.
I spent some time researching any catastrophies for the SRT but found no patterns of exploding engines or gearboxes etc so took the plunge and tried my first Jeep. So far I'm impressed, early days yet though.
 

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Mechanically they are extremely reliable. Most common failure is mds system but it is usually replaced under warranty. Personally I do oil every 3k miles just for peace of mind. If you don't mind replacing the usually 100k+ parts then do it.
 

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I wonder if the lifter issues I've been finding are related to the MDS system?

Having now driven a couple more SRTs I can say I do not like the MDS and the vibration it causes. At first I thought it was the transmission letting the engine lug too low but I'm pretty sure it's the MDS. It's annoying enough that it makes Auto mode unusable, at least around town at low speeds (and loads). Sport mode was better but it stiffened the suspension, I didn't see a way to disable MDS and still have the more compliant damper settings.
 

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I wonder if the lifter issues I've been finding are related to the MDS system?

Having now driven a couple more SRTs I can say I do not like the MDS and the vibration it causes. At first I thought it was the transmission letting the engine lug too low but I'm pretty sure it's the MDS. It's annoying enough that it makes Auto mode unusable, at least around town at low speeds (and loads). Sport mode was better but it stiffened the suspension, I didn't see a way to disable MDS and still have the more compliant damper settings.
Yes the lifter is issue is normally caused by MDS. GM has had this problem for years as well. You can use sport mode which will disable MDS but change shifting patterns and a bit more rwd bias. Or you can try having exhaust flaps weld open 2013-14s only. The MDS activates base on back pressure and throttle percentage. The other option is have it tuned out by an aftermarket tuner.
 
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