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Kia EV9 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 Kia EV9 (2023–present).

MOT Pass Rate

91.8%9.8% above national avg (82%)

Reliability rating: Excellent — based on approx. 1,500 tests

Dangerous Defects

0.60%

Low risk

Retest Rate

6.0%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

9.0%
2

Suspension

Est. repair: £120–£450

7.0%
3

Brakes

Est. repair: £100–£350

6.5%
4

Tyres

Est. repair: £50–£120 per tyre

7.8%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

1.2%

Where Faults Occur

25.0%

Front

23.0%

Rear

17.0%

Offside

Mileage Benchmarks

At 3 years

N/A

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 Kia EV9 a Good Buy?

The Kia EV9 demonstrates above-average reliability based on MOT test data, with a 91.8% pass rate. This places it 9.8% 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 9.0% of failed tests. These tend to be relatively affordable to fix at £30–£150.

Kia EV9 MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Kia EV9.

View Kia EV9 MOT Data

Check a Specific Kia EV9

Enter a registration number to view the full MOT history for any Kia EV9.

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Other Kia Models

Kia Sportage

82.8%

Lamps, reflectors and electrical equipment →

Kia Ceed

81.5%

Lamps, reflectors and electrical equipment →

Kia Picanto

82.2%

Lamps, reflectors and electrical equipment →

Kia Rio

80.8%

Lamps, reflectors and electrical equipment →

Kia Niro

87.2%

Lamps, reflectors and electrical equipment →

Kia Stonic

85.5%

Lamps, reflectors and electrical equipment →

View all Kia models

Frequently Asked Questions

What are the most common MOT faults on a Kia EV9?
The top MOT failure on the Kia EV9 is Lamps, reflectors and electrical equipment, accounting for approximately 9.0% of all failures. Other common issues include suspension and brakes.
What is the Kia EV9 MOT pass rate?
The Kia EV9 has an estimated MOT pass rate of 91.8%, which is 9.8% above the national average of 82%. This rates the Kia EV9 as "Excellent" for MOT reliability.
Is the Kia EV9 reliable?
Based on DVSA MOT data, the Kia EV9 has a excellent reliability record with a 91.8% pass rate. It has a dangerous defect rate of 0.60% and a retest rate of 6.0%.
How much does it cost to fix common Kia EV9 MOT failures?
Typical repair costs for Kia EV9 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 Kia EV9 have?
Based on MOT test data, the average Kia EV9 covers approximately N/A 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 Kia EV9?
The Kia EV9 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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