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Mercedes E-Class vs Vauxhall Insignia

Both are saloons & estates. First-time MOT failure at age 7, and what each one is known to fail on.

The Mercedes E-Class is the more reliable of the two. It fails its first MOT at age 7 16.5% of the time, against 23.1% for the Vauxhall Insignia.

Mercedes E-Class

16.5%

fail at age 7

Rank 86 of 239 · 87k miles at 7 · 199,865 tests

Vauxhall Insignia

23.1%

fail at age 7

Rank 182 of 239 · 79k miles at 7 · 177,292 tests

What each one fails on

Measured

The faults each records most at ages 6 to 9. Same figures as each full report.

A suspension pin, bush or joint excessively wornAdvisory7.3%

A suspension pin, bush or joint excessively wornFail2.5%

Engine MIL illuminated indicating a malfunctionFail2.3%

A wheel bearing with excessive playAdvisory1.9%

Any fracture or welding defect on a wheelFail1.3%

A wheel badly distorted or wear between wheel and hub at spigot mountingAdvisory1.1%

A suspension pin, bush or joint excessively wornAdvisory9.1%

A spring or spring component fractured or seriously weakenedFail6.5%

Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road usersAdvisory5.4%

A suspension component excessively damaged or corrodedAdvisory2.7%

A shock absorber damaged to the extent that it does not function or showing signs of severe leakageAdvisory2.5%

A spring or spring component fractured or seriously weakenedAdvisory2.4%