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 | M15A-FXE | 89/100 | BEST |
| 2 | 2NZ-FE | 87/100 | BEST |
| 3 | 1KR-FE | 85/100 | BEST |
| 4 | 2GR-FE/FSE/FKS/FXE/FXS | 85/100 | BEST |
| 5 | T24A-FTS | 84/100 | BUY |
| 6 | 2TR-FE | 84/100 | BUY |
| 7 | 3ZZ/4ZZ | 84/100 | BUY |
| 8 | 1NZ-FE | 84/100 | BUY |
| 9 | FA20/4U-GSE | 84/100 | BUY |
| 10 | M15A-FKS | 84/100 | BUY |
| 11 | 1NR-FE | 84/100 | BUY |
| 12 | 1ZR-FE/FAE | 84/100 | BUY |
| 13 | 1NZ-FXE | 84/100 | BUY |
| 14 | M20A-FKS/FXS | 84/100 | BUY |
M15A-FXE — 89/100
1.5 Hybrid Dynamic Force (M15A-FXE)
Found in: 2, Aygo X, LBX, Yaris, Yaris 1.5 Hybrid, Yaris Cross
Even the best engines have some issues to watch:
- 12 V battery goes flat (car will not start) — severity minor, typically appears around N/A
- EGR cooler leaks coolant into the engine — severity moderate, typically appears around N/A
Full M15A-FXE reliability report →
2NZ-FE — 87/100
2NZ-FE 1.3
Found in: Yaris
Even the best engines have some issues to watch:
- Oil pressure sensor failure — severity minor, typically appears around N/A
- Rear crankshaft seal leak; oil can reach the crankshaft sensor (early-car recall) — severity minor, typically appears around N/A
- Unstable idle (dirty throttle body / idle valve) — severity minor, typically appears around N/A
Full 2NZ-FE reliability report →
1KR-FE — 85/100
1.0L I3
Found in: 107, 108, Aygo, Aygo 1.0, Aygo X, C1, Yaris, Yaris 1.0 VVT-i
Even the best engines have some issues to watch:
- Upstream lambda sensor / catalyst efficiency code (P0420) — severity minor, typically appears around N/A
- Oil consumption — engine damage if not topped up — severity moderate, typically appears around N/A
- Water pump seal leak (2005-2009 pump) — severity moderate, typically appears around 20.000 km
Full 1KR-FE reliability report →
2GR-FE/FSE/FKS/FXE/FXS — 85/100
3.5L V6
Found in: ES, IS, LC, LS, RC, RX, RX 450h
Even the best engines have some issues to watch:
- VVT-i oil supply hose leak — rubber section (2GR-FE to 2010, Toyota campaign) — severity high, typically appears around N/A
- Front timing chain cover oil leak — severity moderate, typically appears around N/A
- Oil leak from camshaft sensor bolt holes (2GR-FKS, 2016–2018) — severity moderate, typically appears around N/A
Full 2GR-FE/FSE/FKS/FXE/FXS reliability report →
T24A-FTS — 84/100
T24A 2.4 Turbo
Found in: NX
No significant reliability issues reported.
Full T24A-FTS reliability report →
2TR-FE — 84/100
2TR-FE 2.7
Found in: Land Cruiser
Even the best engines have some issues to watch:
- Front crankshaft seal oil leak (engines before 2008) — severity minor, typically appears around N/A
- Timing chain guide wear (very high km) — severity minor, typically appears around 200.000 km
- Oil consumption at high mileage (oil control ring) — severity moderate, typically appears around 241.000 km
Full 2TR-FE reliability report →
Generated from EngineScope's reliability database. Reviewed by the editorial team. Methodology →