2020 Kia Proceed Gt-Line S Isg S-A — MOT failures & pass rate

Across 434 MOT tests analysed for the 2020 Kia Proceed Gt-Line S Isg S-A, the most common recorded failure areas were tyres, visibility and brakes. Its pass rate of 88.7% was below the average for cars of a similar age (90.5%).

Pass rate

434

MOT tests analysed

11.3%

Fail rate

worse than

vs cars of similar age

Avg age at test (yrs)

How it compares

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 — 2020 Kia Proceed Gt-Line S Isg S-A
#	Category	% of tests affected	Tests
1	Tyres	7.1%	31
2	Visibility	3.7%	16
3	Brakes	2.1%	9
4	Lighting & signalling	1.6%	7
5	Suspension	0.7%	3
6	Other defects	0.5%	2

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 — 2020 Kia Proceed Gt-Line S Isg S-A
#	Failure item	Times recorded
1	Wipers	16
2	Brake pads	10
3	Tread depth	9
4	Headlamp aim	8
5	Pins and bushes	5
6	Registration plates	4

Top advisory categories

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

Most common MOT advisories — 2020 Kia Proceed Gt-Line S Isg S-A
#	Category	% of tests with advisory	Tests
1	Tyres	22.8%	99
2	Brakes	16.4%	71
3	Suspension	9.4%	41
4	Other defects	8.8%	38
5	Road wheels	0.7%	3
6	Visibility	0.7%	3

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 band.

Fail rate by recorded mileage — 2020 Proceed Gt-Line S Isg S-A
Mileage band	Tests	Fail rate
0-30k	230	7.4%
30-60k	171	15.8%

Failure rate by age

How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2020 Proceed Gt-Line S Isg S-A
Dataset year	Tests	Fail rate
2023	138	8.7%
2024	146	9.6%
2025	148	15.5%

What to check before buying a 2020 Proceed Gt-Line S Isg S-A

Before buying a 2020 Kia Proceed Gt-Line S Isg S-A, focus on the areas it most often fails on. Tyres accounted for 7.1% of tests for this year.

Tyres (7.1% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
Visibility (3.7% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
Brakes (2.1% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.

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 2020 Kia Proceed Gt-Line S Isg S-As pass their MOT?

88.7% of the 434 2020 Kia Proceed Gt-Line S Isg S-A MOT tests in this dataset passed — a 11.3% fail rate.

What is the most common MOT failure on a 2020 Kia Proceed Gt-Line S Isg S-A?

Tyres, recorded in 7.1% of tests, followed by visibility (3.7%).

Does the 2020 Proceed Gt-Line S Isg S-A get worse with mileage?

Its MOT fail rate rises from 7.4% in the 0-30k band to 15.8% in the 30-60k band.

Methodology & source. Based on 434 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.