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Volvo S40 vs Volvo Xc90 inscript pro t8 phev a a: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Volvo S40
70%
MOT pass rate · 104,637 vehicles
Volvo Xc90 inscript pro t8 phev a a
88%
MOT pass rate · 603 vehicles
More reliable
Verdict: On MOT pass rate, the Volvo Xc90 inscript pro t8 phev a a is the more reliable of the two — 88% pass first time versus 70%. It's one signal among several; check the full breakdown below.

Head to head

Measure Volvo S40 Volvo Xc90 inscript pro t8 phev a a
MOT pass rate 70% 88% ✓
MOT failure rate 30% 12% ✓
Faults & advisories per test 2.1 0.9 ✓
Dangerous-fault share 1% ✓ 9%
Average mileage 123,409 mi 55,643 mi
Sample size (vehicles) 104,637 603

Most common faults

Volvo S40

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Front Brake pad(s) wearing thin (3.5.1g)
  6. Parking brake: efficiency below requirements (3.7.B.7)

Volvo Xc90 inscript pro t8 phev a a

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))
  4. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate, the Volvo Xc90 inscript pro t8 phev a a is the more reliable of the two — 88% pass first time versus 70%. It's one signal among several; check the full breakdown below.

Full Volvo S40 report Full Volvo Xc90 inscript pro t8 phev a a report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.