Audi Q4 e-tron FZ/F4 (2021-present) reliability
Audi Q4 e-tron FZ/F4 built around 2021: more fails still not passed 3 days later
Audi Q4 e-tron FZ/F4 models built around 2021 fail an MOT and still haven’t passed 3 days later more often than similar cars the same age. Look closely at the tyres on any car you view.
Looking at an Audi Q4 e-tron FZ/F4?
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Key figure
3.1% of MOT tests on Audi Q4 e-tron FZ/F4 models built around 2021 failed and still hadn’t passed 3 days later. For similar cars the same age, it was 1.7%.
Most common issue
The most common MOT issue on Audi Q4 e-tron FZ/F4 models built around 2021 involves the tyres.
Based on 8,498 tests of Q4 e-tron models registered 2021+.
About 1 in 8 electricity Q4 e-tron cars registered in 2022 (12.9%) failed their first MOT.
Based on 5,813 first MOTs (DVSA MOT results, 2025).
About 1 in 30 Q4 e-tron FZ/F4 MOTs (3.1%) failed and still hadn't passed 3 days later. That's for cars built around 2021 (4 years old), all fuels combined.
Based on 2,067 tests (DVSA MOT results, 2025). A fail that passed a retest within 3 days, even the same day, isn't counted. Nor is a fail with no later MOT on record.
About 1 in 20 Q4 e-tron FZ/F4 MOTs (5.7%) found at least one dangerous defect. These are cars built around 2021 (4 years old).
Based on 2,067 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
FZ/F4 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 4 years old.
How the Q4 e-tron FZ/F4 compares
At each age below, see how the Q4 e-tron FZ/F4 holds up against other cars the same age. The averages combine all fuel types.
Based on 123,325 tests across 26 Audi 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.
Independent inspection
High priorityHave an independent specialist inspect the car before you commit.
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.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Suspension bushes and joints
Worth checkingListen for knocks over speed bumps and ask about recent control-arm or anti-roll-bar work.
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 Q4 e-tron FZ/F4.
- 1
Lexus UX
Same body type, tested at the same age
- Fail rate
- 6%
- Fail, no pass in 3 days
- 0.7%
- Dangerous
- 1.8%
Lower fail rate: 6.0%, against 11.7% for the Audi Q4 e-tron FZ/F4, both built around 2021.
4,973 MOT tests on cars built around 2021
- 2
Lexus RX
Same body type, tested at the same age
- Fail rate
- 5.1%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 1.7%
- Still registered at 10 years
- 90.4%
Lower fail rate: 5.1%, against 11.7% for the Audi Q4 e-tron FZ/F4, both built around 2021.
1,784 MOT tests on cars built around 2021
- 3
Toyota Yaris Cross
Same body type, tested at the same age
- Fail rate
- 7%
- Fail, no pass in 3 days
- 0.6%
- Dangerous
- 1.2%
Lower fail rate: 7.0%, against 11.7% for the Audi Q4 e-tron FZ/F4, both built around 2021.
1,425 MOT tests on cars built around 2021
- 4
Suzuki Vitara
Same body type, tested at the same age
- Fail rate
- 7.5%
- Fail, no pass in 3 days
- 0.5%
- Dangerous
- 2%
- Still registered at 10 years
- 95.9%
Lower fail rate: 7.5%, against 11.7% for the Audi Q4 e-tron FZ/F4, both built around 2021.
2 critical recall campaigns matching this model/build period.
6,708 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.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
Recall context
2 recalls in allBoth Q4 e-tron FZ/F4 recalls cover cars built in these years.
- 2 recalls
Top concerns
- Software update for brake electronics control unit
- Checking hydraulic unit
For the exact car, check GOV.UK's recall checker with the number plate.
Most common issues on Audi Q4 e-tron models of this age
This list covers every Audi Q4 e-tron built around 2021, whichever generation it is. We don't have a defect list for the FZ/F4 on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 125.5%Advisory
Tyre worn close to the legal limit or worn on the edge
- 26.7%Advisory
Tyre slightly damaged, cracking or perishing
- 35.5%Advisory
Tyre has a cut that does not reach the ply or cords
- 43.0%Advisory
Suspension arm pin or bush worn, but not moving too much
- 51.6%Minor
Windscreen damaged, but the driver can still see clearly
Based on 2,074 tests
Looking at an Audi Q4 e-tron FZ/F4?
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 Audi Q4 e-tron FZ/F4 (2021-present) fails MOTs at about the rate typical for this age. This is based on 2,067 4-year-old MOT tests from DVSA data. Each retest counts as a test.