Photo: PekePON, CC BY-SA 3.0
Suzuki
2,240 MOT tests analysed. sits above the UK fleet average — here's where Vitara Sz5 Boosterjet Mhevs pass, fail, and end up on the retest sheet.
That's 15.6 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
93.1%
Pass-after-fix
2.8%
Fail
2.9%
Avg miles
24,592
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 · 2,240 tests
Pass rate is broadly flat across the cohorts — new and old Vitara Sz5 Boosterjet Mhev examples track each other at the test bay.
Pass
93.3%
Fail
2.8%
PRS
2.0%
Avg mileage at test
28,179 mi
Pass
93.0%
Fail
3.0%
PRS
3.2%
Avg mileage at test
22,909 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 2,240 MOT tests, the Vitara Sz5 Boosterjet Mhev returns 93.1% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a defective wiper blade. Tyre tread under the limit and windscreen damage round out the top three. Average tested mileage sits at 24,592, 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.
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Wiper blade defective
45 occurrences · 2.0% of tests
Tyre tread depth not in accordance with the requirements
21 occurrences · 0.9% of tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
17 occurrences · 0.8% of tests
Wiper blade missing or obviously not clearing the windscreen
16 occurrences · 0.7% of tests
A tyre seriously damaged
13 occurrences · 0.6% of tests
A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
6 occurrences · 0.3% of tests
A suspension joint dust cover severely deteriorated
5 occurrences · 0.2% of tests
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
4 occurrences · 0.2% of tests
a brake lining or pad worn below 1.5mm
3 occurrences · 0.1% of tests
Seat belt buckle missing, damaged or not functioning as intended
2 occurrences · 0.1% 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 3 failures
£100–£185
If every one of this Vitara Sz5 Boosterjet Mhev'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. Pass rates barely move across bands here, so the year you buy Suzuki Vitara Sz5 Boosterjet Mhev makes little measurable difference to MOT outcomes.
Best band to buy
93.3%
2018–2020 registration
the 2018–2020 band climbs to 93.3% — a 0.2-point improvement. Failures here are mostly wear items: blade defective, has a cut in excess of the… — the structural issues that drag down older examples don't appear in the top-10 for this band.
Band to be cautious about
93.0%
2021+ registration
On the 2021-on band, the data shows a 93.0% pass rate against a fleet average of 93.3% on the newer band. The main culprits logged at test: blade defective, tread depth below requirements of 1.6mm, and damaged but not adversely affecting driver's view. Average mileage on test for this band is 22,909 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2018-2020 (93.3% first-time pass). Worst band to avoid: 2021+ (93.0% pass). That's a 0.2-point spread across 1,525 older tests and 715 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
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
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
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Owner reports · Honest John
Verbatim faults logged by owners on honestjohn.co.uk over recent years. We didn't summarise — these are the words people typed in.
Where it falls short
Owner reports (14 entries) flag recurring problems with tyre wear, timing chain/belt, brake discs.
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 Vitara Sz5 Boosterjet Mhev 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.