Kia
1,914 MOT tests analysed. sits above the UK fleet average — here's where Proceed GT Isg S As pass, fail, and end up on the retest sheet.
That's 12.1 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
89.6%
Pass-after-fix
1.7%
Fail
8.2%
Avg miles
37,101
Pass + Pass-after-fix + Fail = 100%
Petrol cars first registered from January 2006 meet Euro 4 — compliant in London ULEZ, Birmingham CAZ, Bristol CAZ, and Glasgow LEZ.
Performance by cohort
2 year bands · 1,914 tests
Pass rate climbs 3.6 points across the cohorts — newer Proceed GT Isg S A examples clear the test more reliably than the early cars.
Pass
88.8%
Fail
8.6%
PRS
2.1%
Avg mileage at test
39,995 mi
Pass
92.4%
Fail
6.9%
PRS
0.5%
Avg mileage at test
27,204 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 733 MOT tests, the Proceed Gt Isg S-A returns 85.4% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is tyre tread under the limit. A tyre with the cords showing and brake pads worn below 1.5 mm round out the top three. Average tested mileage sits at 30,593, which is the lens to read those failure rankings through. If you own one and the next test is close, the ranked list below is a sensible pre-test checklist.
ABI Insurance Group
Below the fleet average — generally reasonable to insure. Lower groups cost less to insure; UK fleet average is around Group 22.
Source: ABI Group Rating Panel · administered by Thatcham Research · groups cover standard variants; performance trims may sit higher. Browse all insurance groups →
13–24
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a brake lining or pad worn below 1.5mm
33 occurrences · 1.7% of tests
Tyre tread depth not in accordance with the requirements
28 occurrences · 1.5% of tests
A tyre cords visible or damaged
28 occurrences · 1.5% of tests
A tyre seriously damaged
27 occurrences · 1.4% of tests
Wiper blade missing or obviously not clearing the windscreen
18 occurrences · 0.9% of tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
15 occurrences · 0.8% of tests
Wiper blade defective
15 occurrences · 0.8% of tests
A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber
7 occurrences · 0.4% of tests
Brake disc or drum significantly and obviously worn
7 occurrences · 0.4% of tests
Significant brake effort recorded with no brake applied indicating a binding brake
6 occurrences · 0.3% of tests
Counts cover Major and Dangerous defects logged at test. Advisory items excluded so this shows why a car was rejected, not just what the tester flagged in passing.
Worst-case fix budget · top 4 failures
£220–£395
If every one of this Proceed GT Isg S A's most-logged Major fails hit at the same MOT, that's the real-world UK garage range. Reality is usually one or two items, not all of them. Open the estimator →
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Build your own retest budget.
Year-band analysis
First-time MOT pass rate split by registration band. A 3.6-point gap between bands means the year you buy Kia Proceed GT Isg S A has a real effect on what turns up at the garage.
Best band to buy
92.4%
2021+ registration
the 2021-on band climbs to 92.4% — a 3.6-point improvement. Tests in this band average 27,204 miles — roughly 13K miles fewer on the clock than the older band. Failures here are mostly wear items: damaged but not adversely affecting driver's view, less than 1.5 mm thick — the structural issues that drag down older examples don't appear in the top-10 for this band. Post-2020 examples are early in their MOT life and generally show the cleanest records.
Band to be cautious about
88.8%
2018–2020 registration
On the 2018–2020 band, the data shows a 88.8% pass rate against a fleet average of 92.4% on the newer band. The main culprits logged at test: less than 1.5 mm thick, tread depth below requirements of 1.6mm, and has ply or cords exposed. Average mileage on test for this band is 39,995 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2021+ (92.4% first-time pass). Worst band to avoid: 2018-2020 (88.8% pass). That's a 3.6-point spread across 1,482 older tests and 432 newer ones — year of build makes a material difference on this model.
Picked against this car's top failure patterns. Affiliate links to Amazon UK — we earn a small cut at no cost to you. Disclosed up-front, doesn't shape the data.
Item 01 · Amazon UK
Brake pad measurement gauge
Testers fail pads under 1.5mm. A wear gauge tells you if you've got two months left or two weeks.
Search Amazon UK
Item 02 · Amazon UK
Digital tyre-tread depth gauge
Five quid for a gauge beats £150 for a retest. UK MOT minimum is 1.6mm — most testers fail anything below 2mm to be safe.
Search Amazon UK
Item 03 · Amazon UK
Bosch Aerotwin wiper blades
Cheap wipers fail the test on smear streaks. Bosch Aerotwins last a winter and clear a screen properly.
Search Amazon UK
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Use the failure ranking as a pre-test checklist or a haggling lever. Treat the headline pass rate as a fleet-wide trend, not a guarantee on any individual car.
If you own a Proceed GT Isg S A and your last MOT looked nothing like the ranked failures above, that's normal — individual cars vary widely. The ranking shows the patterns testers flag most often across the country.
