Bentley common problems and MOT failures

From 65,120 MOT tests in 2024, 6.1% of Bentley vehicles failed. Below are the most common reasons, ranked by how often they occur.

Top Bentley MOT failure reasons

#	Problem	Occurrences	% of failures
1	tyre seriously damaged	560	24.5%
2	suspension pin, bush or joint worn	299	13.1%
3	engine mil illuminated indicating a malfunction	279	12.2%
4	parking brake efficiency below minimum requirement	218	9.5%
5	tyre cords visible or damaged	208	9.1%
6	windscreen washers not working or not providing sufficient fluid to clear the windscreen	194	8.5%
7	suspension joint dust cover missing or no longer prevents the ingress of dirt etc	152	6.7%
8	the aim of a headlamp is not within limits the requirements	150	6.6%
9	number plate does not conform to the specified requirements	114	5.0%
10	lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning	110	4.8%

What this means if you're buying a Bentley

The single most common MOT failure for Bentley is tyre seriously damaged, accounting for 25% of all failure items. A set of new tyres typically costs £200–£500 depending on size.

These figures are from real MOT inspections. They show what testers actually find wrong with Bentley vehicles. If you're viewing a used Bentley, it's worth checking these areas specifically.

Bentley models by MOT pass rate

Lowest pass rates first. These models have the most testable issues.

Model	Tests	Pass rate
Turbo	2,554	84.8%
Eight	461	85.2%
Brooklands	1,281	87.3%
Arnage	3,460	90.3%
Unclassified	446	90.8%
Continental	28,337	93.1%
Azure	418	94.5%
Mulsanne	2,607	94.8%
Continental Gt Speed Auto	244	96.3%
Bentayga Speed Auto	279	96.4%
Continental Gt V8 Auto	2,617	96.5%
Flying Spur	1,803	96.5%
Continental Gt	10,037	96.8%
Bentayga	8,911	96.9%
Continental Flying Spur W12 A	311	97.7%

Buying a specific Bentley? Check the individual vehicle's MOT history for free on GOV.UK to see its actual test results, advisories, and mileage readings.

Check MOT history on GOV.UK