Know Your MOT

Jeep Grand Cherokee vs Jeep Wrangler: MOT reliability compared

Updated 05 September 2026.

24.9%
Jeep Wrangler MOT failure rate, 1.2 pts lower than Jeep Grand Cherokee

Jeep Wrangler is the more reliable MOT performer: 24.9% of Jeep Wrangler MOTs fail versus 26.1% for Jeep Grand Cherokee, a 1.2 point gap.

MetricJeep Grand CherokeeJeep Wrangler
MOT failure rate26.1%24.9%
Tests analysed399,185114,196
Most common failureLamps & electrical (35.3%)Lamps & electrical (41.1%)

Questions and answers

Which is more reliable, Jeep Grand Cherokee or Jeep Wrangler?

Jeep Wrangler is the more reliable MOT performer: 24.9% of Jeep Wrangler MOTs fail versus 26.1% for Jeep Grand Cherokee, a 1.2 point gap.

What is the MOT failure rate of the Jeep Grand Cherokee?

26.1% of Jeep Grand Cherokee MOT tests result in a failure, from 399,185 tests.

What is the MOT failure rate of the Jeep Wrangler?

24.9% of Jeep Wrangler MOT tests result in a failure, from 114,196 tests.

Compared here

Jeep Grand Cherokee common MOT failures and failure rateJeep Wrangler common MOT failures and failure rate