2026 Jeep Wrangler: known problems and what to check
Cars registered in 2026 haven’t had their first MOT yet (it’s due at 3 years old), so there are no MOT results to show. Here’s what we do know about the 2026 Jeep Wrangler, and what to check before you buy one.
Known faults on the 2026 Jeep Wrangler
Reported by owners, mechanics and buying guides for this model and age. Check which engine the car has, as some apply to one engine only.
- 1.0 and 1.2 PureTech petrol
Timing belt that runs in oil (PureTech petrol)
The 1.0 and 1.2 PureTech petrol engines use a timing belt that runs in the engine oil (a “wet belt”). It can break down early and shed rubber that blocks the oil supply, which can wreck the engine. Some also burn too much oil. Stellantis now covers earlier engines for belt and oil-burning problems for up to 10 years or 112,000 miles, as long as the car has been serviced on schedule.
At the viewing: Ask for a full service history showing the right oil, and when the belt was last checked or changed. Check the oil level on the dipstick, and that no oil-pressure or engine warning light stays on.
Source: Parkers: Stellantis wet belt compensation, and the cars at risk, Stellantis: compensation policy for earlier PureTech 1.0 and 1.2 engines (7 May 2025)
Questions to ask the seller before buying a 2026 Jeep Wrangler
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- When was the timing belt last checked or changed, and has it had the right oil at every service? Is the car still within Stellantis’ extended PureTech cover?
- Can I see the service history and receipts for any big jobs?
What to check on a 2026 car
- Warranty left
Ask for the date it was first registered and check how much of the maker’s warranty is left, and that it transfers to you. Electric and hybrid batteries usually have a longer, separate warranty.
- Servicing
Servicing on time with the maker’s schedule keeps the warranty valid. Ask for the service book or the dealer’s digital record.
- Finance
Nearly new cars are often still on finance. A history check shows outstanding finance, and whether it has been written off or stolen.
- Recalls
Ask whether any recall work has been done, and check the reg on GOV.UK’s free recall checker.
- Logbook (V5C)
The name and address should match the seller, and the VIN on the V5C should match the car.
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Other years
Every year of the Jeep Wrangler compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2025 | – | Too new for MOT data |
| 2024 | – | Too new for MOT data |
| 2023 | – | Too new for MOT data |
| 2022 | 365 | Suspension 17% |
| 2021 | 619 | Tyres 9% |
| 2020 | 691 | Tyres 13% |
| 2019 | 639 | Brakes 15% |
| 2018 | 398 | Brakes 20% |
| 2017 | 281 | Brakes 24% |
| 2016 | 300 | Brakes 26% |
| 2015 | 564 | Brakes 28% |
| 2014 | 365 | Brakes 25% |
| 2013 | 260 | Brakes 28% |
| 2012 | 181 | Brakes 27% |
| 2011 | 120 | Brakes 29% |
| 2010 | 135 | Brakes 39% |
| 2009 | 218 | Brakes 35% |
| 2008 | 144 | Lights and electrics 37% |
| 2007 | 189 | Lights and electrics 33% |
| 2006 | 125 | Suspension 36% |
| 2005 | – | Too few tests |
| 2004 | 135 | Suspension 37% |
| 2003 | 149 | Suspension 42% |
| 2002 | 127 | Suspension 42% |
| 2001 | 185 | Brakes 35% |
| 2000 | 166 | Suspension 42% |
| 1999 | 171 | Suspension 37% |
| 1998 | 260 | Suspension 40% |
| 1997 | 241 | Suspension 41% |
| 1996 | – | Too few tests |
| 1995 | – | Too few tests |
| 1994 | – | Too few tests |
| 1993 | – | Too few tests |
Where this comes from: how many are on the road is from the Department for Transport’s vehicle licensing statistics (DVLA records), counted by the year each car was first registered. Known faults are from UK buying guides, in our own words, with links. How we score