2018 Jeep Wrangler · 1,428 MOT tests
2018 Jeep Wrangler reliability
2018 Jeep Wranglers fail 13.8% of first MOT tests, 3% fewer MOT fails than the average car its age and mileage, ranking 5 of 9 Wrangler years (1,428 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Jeep Wranglers: 26%)
- 13.8%
- first-time fail rate (all Jeep Wranglers: 26%)
- fails than cars of the same age and mileage
- 3% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 31,803
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 1,428
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 31% more MOT fails than the average car its age (the 2018 car does better)
- 2019 cars: 27% fewer MOT fails than the average car its age (the 2018 car does worse)
- Weak spot: exhaust, emissions and leaks, 2.4% of tests fail here (184% above cars of the same age and mileage).
- Strong point: tyres, 62% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 Jeep Wrangler
Fail rate by area
- Lights and electrics7%
- Exhaust, emissions and leaks2.4%
- Windscreen, wipers and mirrors2.2%
- Brakes2%
- Tyres1.8%
- Suspension1.3%
- Body, chassis and structure1.3%
Average for cars of the same age and mileage
Top failures
Headlamp aim set too high 1.47%
Headlamps aimed too high can dazzle other drivers, and adjusting them is usually a quick job.
Diesel engine warning light faulty 1.4%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Wiper blade not clearing windscreen 1.05%
Wipers that do not clear the windscreen reduce visibility in rain, which is a safety risk, so replace them.
Headlamp beam pattern obviously incorrect 0.77%
A wrongly shaped beam can dazzle other drivers and reduce your own view of the road, so the lamps need correcting.
Windscreen washer fluid insufficient 0.7%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Side repeater not working 0.7%
A failed side repeater means other road users cannot see your intended direction change, which is dangerous and must be fixed.
Common advisories
Brake disc pitted or scored (5.6%) · Tyre worn close to legal limit (2.94%) · Brake pads wearing thin (2.94%) · Wheel bearing slight play (2.03%) · Tyre slightly damaged or cracking (1.61%) · Child seat limits belt inspection (1.61%)
Other years
Every Jeep Wrangler year
The full picture: Jeep Wrangler reliability. Before you pay for any Jeep Wrangler, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2018 Jeep Wrangler reliable?
2018 Jeep Wranglers fail 13.8% of first MOT tests, 3% fewer MOT fails than the average car its age and mileage, ranking 5 of 9 Wrangler years (1,428 DVSA tests, 2022 to 2024).
What fails on a 2018 Jeep Wrangler MOT?
Most often headlamp aim set too high (1.47% of tests), diesel engine warning light faulty (1.4% of tests), wiper blade not clearing windscreen (1.05% of tests).
How many miles should a 2018 Jeep Wrangler have done?
At its MOT aged about 5, a typical 2018 Jeep Wrangler shows 31,803 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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