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Jeep WRANGLER - 1999

326.0 faults per 100 tests
Year average for all cars of 1999 is 349.1 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jeep WRANGLER, model year 1999. Sample size: 199 cars, 384 tests and 1,252 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 199 cars

The 1999 Jeep Wrangler has an overall defect rate of 326 per 100 vehicles, which is 6% lower than the average for cars of the same year. Notably, this model shows a significant increase in defects as mileage increases, particularly in the highest mileage bracket (over 124,000 miles), where it performs worse than average. While the Jeep demonstrates a better performance in body and structure defects, it struggles with steering and equipment issues, where it significantly exceeds the average defect rates. Overall, the Wrangler's specific strengths and weaknesses highlight important considerations for potential buyers.

Cars by mileage segment

Total: 199 cars

Categories

Brakes
▲ 8.0% better
141.1 faults / 100 tests
Year avg: 153.4 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▼ 40.9% worse
36.5 faults / 100 tests
Year avg: 25.9 / 100 tests
Visibility
▼ 5.6% worse
28.1 faults / 100 tests
Year avg: 26.6 / 100 tests
Lights & Electrics
▼ 13.4% worse
82.8 faults / 100 tests
Year avg: 73.0 / 100 tests
Wheels & Suspension
▲ 10.8% better
238.0 faults / 100 tests
Year avg: 266.9 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A spring: or spring component fractured or seriously weakened
  • The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 28.5% better
54.7 faults / 100 tests
Year avg: 76.5 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Exhaust system has a major leak or is insecure
Equipment
▼ 19.3% worse
22.9 faults / 100 tests
Year avg: 19.2 / 100 tests
Other
▲ 15.2% better
47.9 faults / 100 tests
Year avg: 56.5 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 593 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 165
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 91
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 71
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 52
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 47
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 41
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 31
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 27
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 26
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 25

Serious faults (Top 10)

The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 19
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 19
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 18
Brakes imbalance across an axle such that: the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle. Or in the case of testing on the road, the vehicle deviates excessively from a straight lin
FAIL
Occurrences: 16
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 14
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 13
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 12
Emissions levels exceed default limits
FAIL
Occurrences: 11
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 11
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 9