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Saab 900 vs Saab Sonnet: reliability comparison

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

Saab 900
68%
MOT pass rate · 45,350 vehicles
Saab Sonnet
78%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Saab 900 (68%) and Saab Sonnet (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Saab 900 Saab Sonnet
MOT pass rate 68% 78% ✓
MOT failure rate 32% 22% ✓
Faults & advisories per test 2.2 0.3 ✓
Dangerous-fault share 0% 0%
Average mileage 134,931 mi 379,088 mi
Sample size (vehicles) 45,350 2

Most common faults

Saab 900

  1. Oil leak
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Parking brake: efficiency below requirements (3.7.B.7)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Saab Sonnet

  1. o/s/ sill corroded
  2. N/S/F brake binding slightly, front brake balance near limit.Handbrake perfomance only just met limits,N/S low reading.
  3. Offside Registration plate lamp not working (1.1.5c)
  4. Front passenger door cannot be opened from inside the vehicle (6.2.B.1b)
  5. Front passenger door cannot be opened from outside the vehicle (6.2.B.1b)
  6. Service brake: efficiency below requirements (3.7.B.7)

Reliability FAQ

On MOT pass rate the Saab 900 (68%) and Saab Sonnet (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Saab 900 report Full Saab Sonnet 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.