Nissan 18sx vs Nissan Qashqai: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Nissan 18sx
50%
MOT pass rate · 1 vehicles
Nissan Qashqai
77%
MOT pass rate · 608,070 vehicles
Verdict: On MOT pass rate the Nissan 18sx (50%) and Nissan Qashqai (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Nissan 18sx | Nissan Qashqai |
|---|---|---|
| MOT pass rate | 50% | 77% ✓ |
| MOT failure rate | 50% | 23% ✓ |
| Faults & advisories per test | 1.2 ✓ | 2.0 |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 112,193 mi | 85,126 mi |
| Sample size (vehicles) | 1 | 608,070 |
Most common faults
Nissan 18sx
- Centre Rear Exhaust mounting missing (7.1.1b)
- Centre Stop lamp not working (1.2.1b)
- Front registration plate deteriorated (6.3.1d)
- Nearside Front Headlamp not working on main beam (1.7.5a)
- Offside Outer Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
Nissan Qashqai
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate the Nissan 18sx (50%) and Nissan Qashqai (77%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Nissan 18sx report Full Nissan Qashqai 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.