Aston Martin DBX Mk1 (2020-present) reliability
Aston Martin DBX Mk1 built around 2021: not enough MOT data yet
We've only seen a handful of Aston Martin DBX Mk1 models built around 2021 so far. Too few to spot a pattern yet.
Looking at an Aston Martin DBX Mk1?
Enter its number plate to see its full MOT history, risk rating and running costs.
Key figure
Check a car’s number plate to see its own MOT record, or come back when there’s more MOT history.
Based on 812 tests of DBX models registered 2020+.
About 1 in 15 petrol DBX cars registered in 2022 (6.8%) failed their first MOT.
Based on 322 first MOTs (DVSA MOT results, 2025).
Mk1 fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 5 years old.
How the DBX Mk1 compares
At each age below, see how the DBX Mk1 holds up against other cars the same age. The averages combine all fuel types.
Based on 1,013 tests across 4 Aston Martin models, built around 2021 (4 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Brake pads
High priorityAsk when the pads were last replaced and check the warning-light history.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Other SUVs to compare
Other SUVs, with each one's figures taken at the same age as the DBX Mk1.
- 1
Volkswagen ID4 1ST Edition
Same body type, tested at the same age
- Fail rate
- 11.8%
No clear edge over the Aston Martin DBX Mk1 on these figures.
2 critical recall campaigns matching this model/build period.
1,711 MOT tests on cars built around 2021
- 2
Lexus UX
Same body type, tested at the same age
- Fail rate
- 6%
- Fail, no pass in 3 days
- 0.7%
- Dangerous
- 1.8%
No clear edge over the Aston Martin DBX Mk1 on these figures.
4,973 MOT tests on cars built around 2021
- 3
Kia Stonic
Same body type, tested at the same age
- Fail rate
- 10.4%
- Fail, no pass in 3 days
- 0.8%
- Dangerous
- 2.9%
No clear edge over the Aston Martin DBX Mk1 on these figures.
6,161 MOT tests on cars built around 2021
- 4
Mazda CX-30
Same body type, tested at the same age
- Fail rate
- 8.3%
- Fail, no pass in 3 days
- 0.9%
- Dangerous
- 2.9%
No clear edge over the Aston Martin DBX Mk1 on these figures.
7,988 MOT tests on cars built around 2021
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
Recall context
13 recalls in all3 of the 13 DBX Mk1 recalls cover cars built in these years.
- 3 recalls
Top concerns
- DBX rear lower arm bolt
- RA-03-1973 – oil cooler hoses
- RA-03-1926– DBX707 oil cooler hoses
For the exact car, check GOV.UK's recall checker with the number plate.
How DBX Mk1 cars have aged
How DBX Mk1 cars have aged
How fail rates have changed as these cars got older. Each line follows cars first registered in about the same year across several years of MOT data. Not a prediction for any one car.
Some lines cover only a year or two, so read this as a rough guide.
Mk1 variants compared
Most common issues on Aston Martin DBXes of this age
This list covers every Aston Martin DBX built around 2021, whichever generation it is. We don't have a defect list for the Mk1 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 111.2%Advisory
Tyre slightly damaged, cracking or perishing
- 26.9%Advisory
Tyre worn close to the legal limit or worn on the edge
- 33.0%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 43.0%Advisory
Tyre has a cut that does not reach the ply or cords
- 52.3%Advisory
Brake pads wearing thin
Based on 303 tests
Looking at an Aston Martin DBX Mk1?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2021 (4 years old), the Aston Martin DBX Mk1 (2020-present) fails MOTs noticeably less often than typical for this age. This is based on 303 4-year-old MOT tests from DVSA data. Each retest counts as a test.