CarCostCheck

Bentley

Running costs, reliability, and MOT data for 19 models from 71,046 MOT tests (DVSA MOT data for tests in 2024, retests included).

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Avg Pass Rate

94%

Total Tests

71,046

Models

19

Years Covered

1990-2022

Joint Most Reliable

Continental GT

98% pass rate

Least Reliable

Turbo

88% pass rate

Most Popular

Continental

33,304 tests

About Bentley Cars

Bentley ranks joint 5th out of 70 car makes in our data (those with at least 1,000 MOT tests) by average MOT pass rate, at 94%. That's 9 points above the 85% average across all models in our data, making Bentley one of the more dependable brands on UK roads.

With 19 models across 33 years of data (1990 to 2022), there's a narrow spread of just 10 percentage points between models, meaning Bentley reliability is fairly consistent across the range.

Most and Least Reliable Bentley Models

The Continental GT shares the top spot with 2 other models, on a 98% average pass rate from 10,640 tests. At the other end, the Turbo has the lowest at 88%. Overall, more than half of Bentley's models have a pass rate of 85% or more, which is a good sign for the brand.

Bentley Fuel Types

Bentley models in our data come in 17 petrol, 1 diesel, 1 hybrid variants (each model counted once, under the fuel type recorded for most of its tests). Bentley offers hybrid options for buyers looking to reduce fuel costs.

Estimated Running Costs

Fuel (Petrol, 5998cc)
£1,958
Road Tax
£200
MOT Test
£55
Predicted Repairs
£200
Total per year£2,413
Per month£201/mo

Based on most recent year, 7,400 miles/year and average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026). Insurance not included.

Full details

How reliable is Bentley?

Brand rankingjoint 5th out of 70 car makes
vs average of all models+9 points (85% avg)
Models with 85%+ pass rate18 of 19
Reliability spread (best to worst)10 percentage points

All Bentley Models

Click any model to see detailed year-by-year reliability data, running costs, and comparisons.

ModelYearsPass RateTestsFuel
Continental26 yrs93%33,304Petrol
Continental GT8 yrs98%10,640Petrol
Bentayga7 yrs98%10,226Diesel, Petrol
Arnage12 yrs92%3,874Petrol
Continental GT V8 Auto4 yrs98%2,749Petrol
Mulsanne14 yrs96%2,491Petrol
Turbo9 yrs88%2,163Petrol
Flying Spur6 yrs96%2,134Petrol
Brooklands8 yrs90%1,325Petrol
Azure8 yrs94%449Petrol
Continental Flying Spur W12 A1 yr98%354Petrol
Bentayga Speed Auto2 yrs100%277Petrol
Continental GT Speed Auto1 yr96%236Petrol
Eight3 yrs86%220Petrol
Bentayga V6 Hybrid Auto2 yrs98%209Hybrid
Flying Spur V8 Auto1 yr92%145Petrol
Continental GTC1 yr100%90Petrol
Flying Spur W12 Auto1 yr100%54Petrol
Continental R1 yr78%36Petrol

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