The most reliable Toyota engines by the numbers
Toyota's reliability data reads like an engineering case study in conservative design. Hybrid powertrains, naturally aspirated engines, and careful evolution over revolution — the result is a list dominated by engines that routinely exceed 300.000 km without drama.
Complete ranking
| Rank | Engine | Score | Verdict |
|---|---|---|---|
| 1 | 1NZ-FXE | 92/100 | BEST |
| 2 | 1NZ-FE/FXE | 92/100 | BEST |
| 3 | 2GR-FE/FKS | 90/100 | BEST |
| 4 | 2ZR-FE/FAE/FXE | 88/100 | BEST |
| 5 | A25A-FKS/FXS | 88/100 | BEST |
| 6 | 1NZ-FE | 88/100 | BEST |
| 7 | 2NZ-FE | 86/100 | BEST |
| 8 | M20A-FKS/FXS | 85/100 | BEST |
| 9 | 1KR-FE | 85/100 | BEST |
| 10 | 1GD-FTV | 85/100 | BEST |
| 11 | 1ZR-FE/FAE | 84/100 | BUY |
| 12 | 2TR-FE | 84/100 | BUY |
1NZ-FXE — 92/100
1.5L Hybrid I4
Found in: C-HR 1.8 Hybrid, Yaris 1.5 Hybrid
Even the best engines have some issues to watch:
- EGR valve carbon fouling (older models) — severity minor, typically appears around 100.000 km
- Hybrid battery pack capacity fade — severity moderate, typically appears around 150.000 km
- Inverter coolant pump failure (older Prius) — severity moderate, typically appears around 100.000 km
Full 1NZ-FXE reliability report →
1NZ-FE/FXE — 92/100
1.5L I4 / Hybrid
Found in: Corolla/Auris, Yaris, Yaris Cross
No significant reliability issues reported.
Full 1NZ-FE/FXE reliability report →
2GR-FE/FKS — 90/100
3.5L V6
Found in: ES, IS, LC, LS, RC, RX, RX 450h
No significant reliability issues reported.
Full 2GR-FE/FKS reliability report →
2ZR-FE/FAE/FXE — 88/100
1.8L I4
Found in: Auris 1.6 VVT-i, Auris 1.8 Hybrid, Avensis, Avensis 1.8 VVT-i, C-HR, CT, CT 200h, Corolla
No significant reliability issues reported.
Full 2ZR-FE/FAE/FXE reliability report →
A25A-FKS/FXS — 88/100
2.5L Dynamic Force I4
Found in: Across, Camry, Camry 2.5 Hybrid, ES, ES 300h, Highlander, IS, LM
No significant reliability issues reported.
Full A25A-FKS/FXS reliability report →
1NZ-FE — 88/100
1.5L NA I4
Found in: Yaris 1.0 VVT-i, Yaris 1.3 VVT-i
Even the best engines have some issues to watch:
- VVT-i actuator / oil control valve — severity minor, typically appears around 80.000 km
- Timing chain stretch (very high mileage) — severity minor, typically appears around 180.000 km
Full 1NZ-FE reliability report →
Generated from EngineScope's reliability database. Reviewed by the editorial team. Methodology →