Renault Laguna vs Renault R21 savanna: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Renault Laguna
65%
MOT pass rate · 305,568 vehicles
More reliable
Renault R21 savanna
60%
MOT pass rate · 4,136 vehicles
Verdict: On MOT pass rate, the Renault Laguna is the more reliable of the two — 65% pass first time versus 60%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Renault Laguna | Renault R21 savanna |
|---|---|---|
| MOT pass rate | 65% ✓ | 60% |
| MOT failure rate | 35% ✓ | 40% |
| Faults & advisories per test | 2.2 ✓ | 2.5 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 121,362 mi | 135,804 mi |
| Sample size (vehicles) | 305,568 | 4,136 |
Most common faults
Renault Laguna
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Oil leak
- Front Brake pad(s) wearing thin (3.5.1g)
Renault R21 savanna
- Oil leak
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
Reliability FAQ
On MOT pass rate, the Renault Laguna is the more reliable of the two — 65% pass first time versus 60%. It's one signal among several; check the full breakdown below.
Full Renault Laguna report Full Renault R21 savanna 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.