1999 · 25 years old at test · Petrol mostly

1999 Jeep Grand Cherokee MOT pass rate and common faults

110 MOT tests in 2024. 64.5% passed first time, compared with 63.3% for all cars the same age.

102Above average
Passed first time64.5%
Failed or needed repairs35.5%
Typical mileage at test118,000

Most common reasons for failing

Share of all 110 tests where this item caused a failure.

  1. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt12.7%
  2. Position lamp: not working6.4%
  3. Exhaust system: has a major leak of exhaust gases4.5%
  4. Rigid brake pipes: excessively corroded3.6%
  5. Decelerometer (sp): efficiency below requirements3.6%
  6. Headlamp aim: projected beam image is obviously incorrect3.6%
  7. Track rod end: ball joint has excessive play3.6%
  8. Stop lamp: not working2.7%
  9. Headlamp: insecure2.7%
  10. Headlamp: has a product on the lens so that the light output is severely reduced2.7%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Lights & electrics35.5%
  2. Brakes25.5%
  3. Body & chassis23.6%
  4. Suspension10.9%
  5. Visibility (wipers, screen, mirrors)9.1%
  6. Emissions & leaks9.1%
  7. Steering7.3%
  8. Seat belts & airbags3.6%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded22.7%
  2. Engine oil leaks: leaking excessively from engine19.1%
  3. Brake discs: in such a condition that it is seriously weakened18.2%
  4. Coil spring: corroded so that its cross sectional area is reduced and seriously weakened16.4%
  5. Transmission oil leaks: leaking excessively from transmission13.6%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

All Grand Cherokee years2000 Grand Cherokee →

Questions

What is the MOT pass rate for a 1999 Jeep Grand Cherokee?

In 2024, 64.5% of 1999 Jeep Grand Cherokee cars passed their MOT first time, across 110 tests. The average for all 25-year-old cars was 63.3%.

What are the most common MOT failures on a 1999 Jeep Grand Cherokee?

The most common failure reasons were joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; position lamp: not working; exhaust system: has a major leak of exhaust gases. The biggest problem area was lights & electrics.

Is the 1999 Jeep Grand Cherokee reliable at MOT time?

Its MOT Rank score is 102, which is above average for a car of its age (100 means exactly average).