Volvo
2,389 MOT tests analysed. sits above the UK fleet average — here's where Xc90 Momentum B5 Mhev Awd Autos pass, fail, and end up on the retest sheet.
That's 13.2 points above the UK fleet average across our 1,984 tracked models — a confident result.
Pass
90.7%
Pass-after-fix
2.2%
Fail
6.7%
Avg miles
34,518
Pass + Pass-after-fix + Fail = 100%
Electric and hydrogen vehicles are exempt from all UK clean air zone charges.
Performance by cohort
2 year bands · 2,389 tests
Pass rate is broadly flat across the cohorts — new and old Xc90 Momentum B5 Mhev Awd Auto examples track each other at the test bay.
Pass
90.7%
Fail
6.7%
PRS
2.3%
Avg mileage at test
40,073 mi
Pass
90.7%
Fail
6.7%
PRS
2.1%
Avg mileage at test
32,776 mi
Cohort = vehicle's first-registration year band. Same model, different generations of build.
The picture
Across 2,389 MOT tests, the Xc90 Momentum B5 Mhev Awd Auto returns 90.7% first-time pass — comfortably ahead of the UK fleet average. The single most-logged Major fail is a seriously damaged tyre. Windscreen damage and a defective wiper blade round out the top three. Average tested mileage sits at 34,518, 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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A tyre seriously damaged
62 occurrences · 2.6% of tests
Windscreen or window damaged or seriously discoloured but not adversely affecting driver's view
45 occurrences · 1.9% of tests
Wiper blade defective
36 occurrences · 1.5% of tests
A tyre cords visible or damaged
31 occurrences · 1.3% of tests
a brake lining or pad worn below 1.5mm
30 occurrences · 1.3% of tests
Tyre tread depth not in accordance with the requirements
26 occurrences · 1.1% of tests
Wiper blade missing or obviously not clearing the windscreen
11 occurrences · 0.5% of tests
A seat belt webbing or flexible stalk significantly stretched or weakened
4 occurrences · 0.2% of tests
A tyre pressure monitoring system malfunctioning or obviously inoperative
4 occurrences · 0.2% of tests
Number plate does not conform to the specified requirements
4 occurrences · 0.2% 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
£160–£300
If every one of this Xc90 Momentum B5 Mhev Awd Auto'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 Volvo Xc90 Momentum B5 Mhev Awd Auto makes little measurable difference to MOT outcomes.
Best band to buy
90.7%
2021+ registration
the 2021-on band climbs to 90.7% — a 0.0-point improvement. Tests in this band average 32,776 miles — roughly 7K miles fewer on the clock than the older band. Failures here are mostly wear items: has a cut in excess of the…, damaged but not adversely affecting driver's view — 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
90.7%
2018–2020 registration
On the 2018–2020 band, the data shows a 90.7% pass rate against a fleet average of 90.7% on the newer band. The main culprits logged at test: has a cut in excess of the…, damaged but not adversely affecting driver's view, and blade defective. Average mileage on test for this band is 40,073 miles — high-mileage wear items are a recurring theme.
Best band to buy: 2021+ (90.7% first-time pass). Worst band to avoid: 2018-2020 (90.7% pass). That's a 0.0-point spread across 570 older tests and 1,819 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
Item 03 · 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
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Mobile mechanic · UK-wide
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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 (8 entries) flag recurring problems with battery/electrical, electrical faults, brake discs.
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Report of initial 20 miles fully charged EV range of Volvo T8 PHEV 'TwinPower' disappearing when first starting the car. Engine simply starts. Car has done 127k miles.
Report of brakes of Volvo XC90 failing on the motorway 200 miles after purchase. "No braking power between 60mph and 40mph no matter how hard I pressed the pedal." Volvo examined the car and found a part was not put in place during assembly.
Report of numerous problems with 2015 Volvo XC90 T8. In three years it has had two complete software failures leading to no power.
Complaint from owner that even when fully charged his Volvo XC90 T8 will not run for more than a few miles in EV mode without the petrol engine cutting in. A new 12v battery was tried in case there was a fault with the engine start/stop, but that made no difference.
Significant electrical/electronic problems reported with November 2016 Volvo XC90. Recurrent issues with low charge 12V battery which resulted in complete electrical failure within the first 4 months from purchase. Volvo UK had the car uplifted back to the Volvo dealer in April 2017 with the subsequent battery change and software upgrade seeming to have sorted the original problem.
Report of numerous annoying problems with leased Volvo XC90 T8. Within 24 hours of pick up it needed its main ECU replacing (gone for a week and half) and since then the heated seat on the drivers side doesn't work (2 visits, still no fix) and the nav / radio unit liked to reboot itself (2 visits, now fixed, fingers crossed). Since the last visit the driver's window started running slowly and the collision warning sensor likes to go off a lot more frequently than before.
Complaint of multiple software problems on Volvo XC90 "Like most other owners, I'm having lots of ongoing software problems with my car. Many of the functions for which I bought this car don't work at all, or work for a while after a software update and then fail again. Ongoing software issues are "resolved" by a latest software update which in most cases fixes the glitch temporarily but often has knock on effects to other software functions.
Source: honestjohn.co.uk · 8 reports indexed
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 Xc90 Momentum B5 Mhev Awd Auto 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.
