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2014 SEAT Mii — MOT History by Age

How cars manufactured in 2014 perform at MOT as they age

12 years
Current Age
76.2%
Latest Pass Rate
23,185
Total Tests (All Years)
58,359 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 10

This car: 76.2%
Average: 58.8%

✅ 17.4% above average (15326 models compared)

How This Car Ages

Pass rate progression for the 2014 SEAT Mii as it ages.

2 yrs94.4%
3 yrs88.9%
4 yrs83.5%
5 yrs83.0%
6 yrs82.1%
7 yrs82.7%
8 yrs82.5%
9 yrs78.6%
10 yrs76.2%

Bar chart showing pass rate by car age from 2 to 10 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs94.4%71
3 yrs88.9%3,235
4 yrs83.5%2,234
5 yrs83.0%2,425
6 yrs82.1%2,565
7 yrs82.7%3,104
8 yrs82.5%2,435
9 yrs78.6%3,107
10 yrs76.2%4,009

Pass Rate Trend

How the 2014 SEAT Mii pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 9 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (10 yrs)76.2%4,009
2023 (9 yrs)78.6%3,107
2022 (8 yrs)82.5%2,435
2021 (7 yrs)82.7%3,104
2020 (6 yrs)82.1%2,565
2019 (5 yrs)83%2,425
2018 (4 yrs)83.5%2,234
2017 (3 yrs)88.9%3,235
2016 (2 yrs)94.4%71

Year-by-Year MOT Results

2016
94.4%
Age (yrs) 2Tests 71Avg Mileage 17,396Top Failure Lamps, Reflectors and Electrical Equipment — 7.0%
2017
88.9%
Age (yrs) 3Tests 3,235Avg Mileage 19,890Top Failure Lamps, Reflectors and Electrical Equipment — 6.9%
2018
83.5%
Age (yrs) 4Tests 2,234Avg Mileage 25,523Top Failure Tyres — 9.6%
2019
83.0%
Age (yrs) 5Tests 2,425Avg Mileage 32,097Top Failure Tyres — 12.7%
2020
82.1%
Age (yrs) 6Tests 2,565Avg Mileage 37,201Top Failure Tyres — 15.8%
2021
82.7%
Age (yrs) 7Tests 3,104Avg Mileage 41,795Top Failure Tyres — 14.1%
2022
82.5%
Age (yrs) 8Tests 2,435Avg Mileage 47,288Top Failure Tyres — 16.1%
2023
78.6%
Age (yrs) 9Tests 3,107Avg Mileage 52,224Top Failure Brakes — 18.3%
2024
76.2%
Age (yrs) 10Tests 4,009Avg Mileage 58,359Top Failure Brakes — 17.4%

Common MOT Failures

Top failure categories across all test years for 2014 SEAT Mii, with age trends.

Tyres
12.4%
↑ Increases with age
Brakes
10.9%
↑ Increases with age
Lamps, reflectors and electrical equipment
7.6%
↑ Increases with age
Visibility
7.2%
— Consistent
Lamps, Reflectors and Electrical Equipment
7.0%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres2.8% (2 yrs)16.1% (10 yrs)
+13.3%
🔴 ↑
Brakes4.2% (2 yrs)17.4% (10 yrs)
+13.2%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the SEAT Mii page →

About This Data

This page shows how SEAT Mii cars manufactured in 2014 perform at MOT as they age. Data spans from 2016 to 2024, covering 23,185 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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