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Aston Martin DBX Common Problems, Faults & Repair Costs (2026)

Based on official DVSA MOT test data. View the most common MOT failure categories, pass rates, and estimated repair costs for the Aston Martin DBX (2020–present).

MOT Pass Rate

85.2%3.2% above national avg (82%)

Reliability rating: Excellent — based on approx. 1,000 tests

Dangerous Defects

1.20%

Moderate risk

Retest Rate

10.5%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

13.0%
2

Suspension

Est. repair: £120–£450

11.5%
3

Brakes

Est. repair: £100–£350

10.0%
4

Tyres

Est. repair: £50–£120 per tyre

9.0%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

6.5%

Where Faults Occur

28.0%

Front

27.0%

Rear

20.0%

Offside

Mileage Benchmarks

At 3 years

14,000 mi

At 5 years

N/A

At 10 years

N/A

Significantly higher or lower mileage than these benchmarks may indicate unusual usage patterns. Check the full MOT history for mileage consistency.

Is a Aston Martin DBX a Good Buy?

The Aston Martin DBX demonstrates above-average reliability based on MOT test data, with a 85.2% pass rate. This places it 3.2% above the national average, suggesting lower ongoing maintenance costs compared to many competitors.

While no car is without faults, lamps, reflectors and electrical equipment issues are the most common concern, affecting approximately 13.0% of failed tests. These tend to be relatively affordable to fix at £30–£150.

Aston Martin DBX MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Aston Martin DBX.

View Aston Martin DBX MOT Data

Check a Specific Aston Martin DBX

Enter a registration number to view the full MOT history for any Aston Martin DBX.

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Other Aston Martin Models

Aston Martin Vantage

81.5%

Lamps, reflectors and electrical equipment →

Aston Martin DB9

79.8%

Lamps, reflectors and electrical equipment →

Aston Martin DB11

83.5%

Lamps, reflectors and electrical equipment →

Aston Martin Rapide

79.2%

Lamps, reflectors and electrical equipment →

View all Aston Martin models

Frequently Asked Questions

What are the most common MOT faults on a Aston Martin DBX?
The top MOT failure on the Aston Martin DBX is Lamps, reflectors and electrical equipment, accounting for approximately 13.0% of all failures. Other common issues include suspension and brakes.
What is the Aston Martin DBX MOT pass rate?
The Aston Martin DBX has an estimated MOT pass rate of 85.2%, which is 3.2% above the national average of 82%. This rates the Aston Martin DBX as "Excellent" for MOT reliability.
Is the Aston Martin DBX reliable?
Based on DVSA MOT data, the Aston Martin DBX has a excellent reliability record with a 85.2% pass rate. It has a dangerous defect rate of 1.20% and a retest rate of 10.5%.
How much does it cost to fix common Aston Martin DBX MOT failures?
Typical repair costs for Aston Martin DBX MOT failures range from £30–£200 for lamps, reflectors and electrical equipment issues to £120–£450 for suspension problems. Prices are estimates based on typical UK independent garage rates.
What mileage should a Aston Martin DBX have?
Based on MOT test data, the average Aston Martin DBX covers approximately 14,000 mi by 3 years, N/A by 5 years, and N/A by 10 years. Significantly higher or lower mileage may warrant closer inspection.
Should I buy a used Aston Martin DBX?
The Aston Martin DBX is generally a solid choice based on MOT data. Check the full MOT history of any specific vehicle before purchasing, paying particular attention to lamps, reflectors and electrical equipment issues and mileage consistency.
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