Skip to main content
GB
MOT
Checkup

Mazda 6 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 Mazda 6 (2002–2022).

MOT Pass Rate

80.8%1.2% below national avg (82%)

Reliability rating: Good — based on approx. 32,000 tests

Dangerous Defects

1.60%

Moderate risk

Retest Rate

13.0%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

15.0%
2

Suspension

Est. repair: £120–£450

14.0%
3

Brakes

Est. repair: £100–£350

12.0%
4

Tyres

Est. repair: £50–£120 per tyre

10.0%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

8.2%

Where Faults Occur

30.0%

Front

29.0%

Rear

21.0%

Offside

Mileage Benchmarks

At 3 years

26,000 mi

At 5 years

44,000 mi

At 10 years

85,000 mi

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

Is a Mazda 6 a Good Buy?

The Mazda 6 demonstrates above-average reliability based on MOT test data, with a 80.8% pass rate. This places it 1.2% 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 15.0% of failed tests. These tend to be relatively affordable to fix at £30–£150.

Mazda 6 MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Mazda 6.

View Mazda 6 MOT Data

Check a Specific Mazda 6

Enter a registration number to view the full MOT history for any Mazda 6.

GB

Other Mazda Models

Mazda CX-5

84.8%

Lamps, reflectors and electrical equipment →

Mazda 3

83.2%

Lamps, reflectors and electrical equipment →

Mazda 2

83.8%

Lamps, reflectors and electrical equipment →

Mazda MX-5

85.5%

Lamps, reflectors and electrical equipment →

Mazda CX-3

84.2%

Lamps, reflectors and electrical equipment →

Mazda CX-30

87.2%

Lamps, reflectors and electrical equipment →

View all Mazda models

Frequently Asked Questions

What are the most common MOT faults on a Mazda 6?
The top MOT failure on the Mazda 6 is Lamps, reflectors and electrical equipment, accounting for approximately 15.0% of all failures. Other common issues include suspension and brakes.
What is the Mazda 6 MOT pass rate?
The Mazda 6 has an estimated MOT pass rate of 80.8%, which is 1.2% below the national average of 82%. This rates the Mazda 6 as "Good" for MOT reliability.
Is the Mazda 6 reliable?
Based on DVSA MOT data, the Mazda 6 has a good reliability record with a 80.8% pass rate. It has a dangerous defect rate of 1.60% and a retest rate of 13.0%.
How much does it cost to fix common Mazda 6 MOT failures?
Typical repair costs for Mazda 6 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 Mazda 6 have?
Based on MOT test data, the average Mazda 6 covers approximately 26,000 mi by 3 years, 44,000 mi by 5 years, and 85,000 mi by 10 years. Significantly higher or lower mileage may warrant closer inspection.
Should I buy a used Mazda 6?
The Mazda 6 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.
Mazda 6 MOT DataAll Mazda ModelsAll Makes