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Audi Q8 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 Audi Q8 (2018–present).

MOT Pass Rate

86.5%4.5% above national avg (82%)

Reliability rating: Excellent — based on approx. 5,000 tests

Dangerous Defects

1.10%

Moderate risk

Retest Rate

9.5%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

12.5%
2

Suspension

Est. repair: £120–£450

10.8%
3

Brakes

Est. repair: £100–£350

9.5%
4

Tyres

Est. repair: £50–£120 per tyre

8.5%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

5.8%

Where Faults Occur

28.0%

Front

26.0%

Rear

19.0%

Offside

Mileage Benchmarks

At 3 years

24,000 mi

At 5 years

42,000 mi

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 Audi Q8 a Good Buy?

The Audi Q8 demonstrates above-average reliability based on MOT test data, with a 86.5% pass rate. This places it 4.5% 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 12.5% of failed tests. These tend to be relatively affordable to fix at £30–£150.

Audi Q8 MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Audi Q8.

View Audi Q8 MOT Data

Check a Specific Audi Q8

Enter a registration number to view the full MOT history for any Audi Q8.

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Other Audi Models

Audi A3

81.2%

Lamps, reflectors and electrical equipment →

Audi A4

79.8%

Lamps, reflectors and electrical equipment →

Audi A1

83.5%

Lamps, reflectors and electrical equipment →

Audi Q3

84.2%

Lamps, reflectors and electrical equipment →

Audi Q5

83.0%

Lamps, reflectors and electrical equipment →

Audi A5

82.2%

Lamps, reflectors and electrical equipment →

View all Audi models

Frequently Asked Questions

What are the most common MOT faults on a Audi Q8?
The top MOT failure on the Audi Q8 is Lamps, reflectors and electrical equipment, accounting for approximately 12.5% of all failures. Other common issues include suspension and brakes.
What is the Audi Q8 MOT pass rate?
The Audi Q8 has an estimated MOT pass rate of 86.5%, which is 4.5% above the national average of 82%. This rates the Audi Q8 as "Excellent" for MOT reliability.
Is the Audi Q8 reliable?
Based on DVSA MOT data, the Audi Q8 has a excellent reliability record with a 86.5% pass rate. It has a dangerous defect rate of 1.10% and a retest rate of 9.5%.
How much does it cost to fix common Audi Q8 MOT failures?
Typical repair costs for Audi Q8 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 Audi Q8 have?
Based on MOT test data, the average Audi Q8 covers approximately 24,000 mi by 3 years, 42,000 mi by 5 years, and N/A by 10 years. Significantly higher or lower mileage may warrant closer inspection.
Should I buy a used Audi Q8?
The Audi Q8 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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