Aston Martin DB9

Reliability, estimated running costs, and MOT data across 14 model years from 9,396 MOT tests in 2024.

Avg Pass Rate

94%

Total Tests

9,396

Highest Pass Rate

2015 (97%)

Years Covered

About the Aston Martin DB9

The Aston Martin DB9 was MOT tested 9,396 times in 2024 (DVSA data, retests included) across 14 model years (2004 to 2017), with an average pass rate of 94%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2015 model has the highest pass rate at 97% from 424 tests. The 2004 model has the lowest at 91%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

The Aston Martin DB9 has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Mileage Across Years

The oldest model in our data (2004) averages 50,936 miles, while the newest (2017) averages 14,436 miles.

Estimated Running Costs

Fuel (Petrol, 5935cc)

£1,958

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,413

Per month£201/mo

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

Full 2017 details

How reliable is the Aston Martin DB9?

vs average of all models+12% (82% avg)

vs Aston Martin brand average+0% (94% avg)

Best to worst year spread6 percentage points

Reliability trendStable over years

Aston Martin DB9 by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2017	99%	97	14,436 mi
2016	97%	363	21,029 mi
2015	97%	424	22,406 mi
2014	97%	386	27,379 mi
2013	94%	463	32,444 mi
2012	94%	187	38,809 mi
2011	93%	221	35,071 mi
2010	92%	438	40,263 mi
2009	95%	494	36,995 mi
2008	92%	1,100	43,233 mi
2007	94%	1,286	43,791 mi
2006	93%	1,167	41,311 mi
2005	93%	2,229	47,412 mi
2004	91%	541	50,936 mi

Questions about the Aston Martin DB9

Is the Aston Martin DB9 reliable?

Across its 14 model years in our data (2004 to 2017), the Aston Martin DB9 averages a 94% MOT pass rate, from 9,396 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data. The 2015 model has the highest pass rate of the years with at least 100 tests, at 97%.

Which year Aston Martin DB9 has the best MOT pass rate?

Of the years with at least 100 tests, the 2015 Aston Martin DB9 has the highest MOT pass rate at 97%, while the 2004 model has the lowest at 91%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.