Lexus Is4.5 vs Lexus Nx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Is4.5
85%
MOT pass rate · 1 vehicles
Lexus Nx
92%
MOT pass rate · 29,652 vehicles
Verdict: On MOT pass rate the Lexus Is4.5 (85%) and Lexus Nx (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Lexus Is4.5 | Lexus Nx |
|---|---|---|
| MOT pass rate | 85% | 92% ✓ |
| MOT failure rate | 15% | 8% ✓ |
| Faults & advisories per test | 0.8 ✓ | 0.9 |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 119,958 mi | 54,657 mi |
| Sample size (vehicles) | 1 | 29,652 |
Most common faults
Lexus Is4.5
- FRONT BRAKES NOISEY
- FRONT PADS & DISCS WORN
- NEARSIDE FRONT TYRE BADLY WORN ON INNER EDGE 245/35/19Y
- OFFSIDE FRONT TYRE BADLY WORN ON OUTER EDGE 245/35/19Y
- REAR BRAKE PADS LOW
- Child seat fitted not allowing full inspection of adult belt
Lexus Nx
- 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))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Lexus Is4.5 (85%) and Lexus Nx (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Is4.5 report Full Lexus Nx 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.