2021 Kia Sportage Gt-Line Crdi Isg Mhev — MOT failures & pass rate

Across 2,571 MOT tests analysed for the 2021 Kia Sportage Gt-Line Crdi Isg Mhev, the most common recorded failure areas were tyres, visibility and brakes. Its pass rate of 90.0% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 16.5% in the 60-90k group versus 9.0% in the 0-30k group.

90%
Pass rate
2,571
MOT tests analysed
10.0%
Fail rate
worse than
vs cars of similar age
3.5
Avg age at test (yrs)

How it compares

Fail rate vs benchmarks (lower is better) 2021 Sportage Gt-Line Crdi Isg Mhev 10.0% cars avg 8.8% National avg 8.6%
Fail rate for this model-year against the segment and national averages for cars of a similar age.

Top failure categories

Most common MOT failure areas — 2021 Kia Sportage Gt-Line Crdi Isg Mhev
# Category % of tests affected Tests
1 Tyres 4.4% 112
2 Visibility 4.3% 111
3 Brakes 2.6% 67
4 Lighting & signalling 2.5% 64
5 Suspension 1.0% 25
6 Emissions & environmental 0.9% 22
Share of tests failing on each category Tyres 4.4% Visibility 4.3% Brakes 2.6% Lighting & signalling 2.5% Suspension 1.0% Emissions & environmental 0.9%
Percentage of tests with at least one failure recorded in each category.

Most common specific failures

The exact components most often recorded as failures — more specific than the categories above.

Most frequently recorded failure items — 2021 Kia Sportage Gt-Line Crdi Isg Mhev
#Failure itemTimes recorded
1Wipers118
2Tread depth110
3Headlamp aim89
4Brake pads41
5Pins and bushes30
6Washers22

Top advisory categories

Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.

Most common MOT advisories — 2021 Kia Sportage Gt-Line Crdi Isg Mhev
# Category % of tests with advisory Tests
1 Tyres 20.8% 536
2 Brakes 10.5% 269
3 Other defects 6.4% 164
4 Suspension 4.4% 112
5 Visibility 4.0% 104
6 Steering 0.9% 22

Failure rate by mileage

Higher-mileage cars tend to fail more — often the most useful guide to real condition.

MOT fail rate by recorded mileage 0-30k 9.0% 30-60k 10.2% 60-90k 16.5%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 Sportage Gt-Line Crdi Isg Mhev
Mileage band Tests Fail rate
0-30k 1,121 9.0%
30-60k 1,310 10.2%
60-90k 133 16.5%

Failure rate by age

MOT fail rate by vehicle age at test 2 yrs 8.1% 3 yrs 9.8% 4 yrs 10.1%
How this model-year's MOT fail rate climbs as the cars get older.

By fuel type

Fail rate by fuel type — 2021 Sportage Gt-Line Crdi Isg Mhev
Fuel Tests Fail rate
Hybrid 2,480 9.9%
Diesel 89 12.4%

Trend over time

Fail rate by dataset year — 2021 Sportage Gt-Line Crdi Isg Mhev
Dataset year Tests Fail rate
2023 37 8.1%
2024 1,272 9.8%
2025 1,260 10.1%

What to check before buying a 2021 Sportage Gt-Line Crdi Isg Mhev

Before buying a 2021 Kia Sportage Gt-Line Crdi Isg Mhev, focus on the areas it most often fails on. Tyres accounted for 4.4% of tests for this year.

Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.

Frequently asked questions

How many 2021 Kia Sportage Gt-Line Crdi Isg Mhevs pass their MOT?

90.0% of the 2,571 2021 Kia Sportage Gt-Line Crdi Isg Mhev MOT tests in this dataset passed — a 10.0% fail rate.

What is the most common MOT failure on a 2021 Kia Sportage Gt-Line Crdi Isg Mhev?

Tyres, recorded in 4.4% of tests, followed by visibility (4.3%).

Does the 2021 Sportage Gt-Line Crdi Isg Mhev get worse with mileage?

Its MOT fail rate rises from 9.0% in the 0-30k band to 16.5% in the 60-90k band.

Methodology & source. Based on 2,571 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.

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