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2004 Kia Mentor — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years
Current Age
47.6%
Latest Pass Rate
495
Total Tests (All Years)
68,189 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Mentor

Compared to Average at Age 11

This car: 47.6%
Average: 56.2%

⚠️ 8.6% below average (14777 models compared)

How This Car Ages

Pass rate progression for the 2004 Kia Mentor as it ages.

5 yrs65.0%
6 yrs57.5%
7 yrs51.2%
8 yrs50.7%
9 yrs45.9%
10 yrs56.5%
11 yrs47.6%

Bar chart showing pass rate by car age from 5 to 11 years

Fail Rate %
📊 View as table
AgePass RateTests
5 yrs65.0%100
6 yrs57.5%87
7 yrs51.2%86
8 yrs50.7%73
9 yrs45.9%61
10 yrs56.5%46
11 yrs47.6%42

Pass Rate Trend

How the 2004 Kia Mentor pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 7 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2015 (11 yrs)47.6%42
2014 (10 yrs)56.5%46
2013 (9 yrs)45.9%61
2012 (8 yrs)50.7%73
2011 (7 yrs)51.2%86
2010 (6 yrs)57.5%87
2009 (5 yrs)65%100

Year-by-Year MOT Results

2009
65.0%
Age (yrs) 5Tests 100Avg Mileage 43,502Top Failure Brakes — 19.0%
2010High Fail Rate
57.5%
Age (yrs) 6Tests 87Avg Mileage 48,001Top Failure Lamps, Reflectors and Electrical Equipment — 27.6%
2011High Fail Rate
51.2%
Age (yrs) 7Tests 86Avg Mileage 55,293Top Failure Brakes — 37.2%
2012High Fail Rate
50.7%
Age (yrs) 8Tests 73Avg Mileage 61,562Top Failure Brakes — 34.2%
2013High Fail Rate
45.9%
Age (yrs) 9Tests 61Avg Mileage 63,135Top Failure Brakes — 93.4%
2014High Fail Rate
56.5%
Age (yrs) 10Tests 46Avg Mileage 63,748Top Failure Brakes — 89.1%
2015High Fail Rate
47.6%
Age (yrs) 11Tests 42Avg Mileage 68,189Top Failure Brakes — 109.5%

Common MOT Failures

Top failure categories across all test years for 2004 Kia Mentor, with age trends.

Brakes
57.9%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
39.9%
↑ Increases with age
Suspension
38.8%
↑ Increases with age
Exhaust, Fuel and Emissions
26.2%
— Consistent
Tyres
24.8%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes19.0% (5 yrs)109.5% (11 yrs)
+90.5%
🔴 ↑
Suspension11.0% (5 yrs)85.7% (11 yrs)
+74.7%
🔴 ↑
Lamps, Reflectors and Electrical Equipment19.0% (5 yrs)61.9% (11 yrs)
+42.9%
🔴 ↑
Tyres13.0% (5 yrs)42.9% (11 yrs)
+29.9%
🔴 ↑
Driver's View of the Road7.0% (5 yrs)19.0% (11 yrs)
+12.0%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Kia Mentor page →

About This Data

This page shows how Kia Mentor cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2015, covering 495 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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