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Saab 9-5 vs Saab V4: reliability comparison

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

Saab 9-5
74%
MOT pass rate · 55,962 vehicles
More reliable
Saab V4
67%
MOT pass rate · 18 vehicles
Verdict: On MOT pass rate, the Saab 9-5 is the more reliable of the two — 74% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Head to head

Measure Saab 9-5 Saab V4
MOT pass rate 74% ✓ 67%
MOT failure rate 26% ✓ 33%
Faults & advisories per test 2.1 ✓ 2.5
Dangerous-fault share 1% 0% ✓
Average mileage 136,801 mi 113,144 mi
Sample size (vehicles) 55,962 18

Most common faults

Saab 9-5

  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. Oil leak
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Saab V4

  1. Parking brake: efficiency below requirements (3.7.B.7)
  2. Oil leak
  3. Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  4. Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  5. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  6. Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Reliability FAQ

On MOT pass rate, the Saab 9-5 is the more reliable of the two — 74% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Full Saab 9-5 report Full Saab V4 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.