The most reliable Volvo engines by the numbers
Volvo's best engines reflect two engineering philosophies: the proven five-cylinder era and the mature Drive-E modular platform. Both deliver Scandinavian reliability — built for Nordic conditions, which means they handle European winters and high-mileage commutes with confidence.
Complete ranking
| Rank | Engine | Score | Verdict |
|---|---|---|---|
| 1 | VEP4 2.0 48V MHEV (B4/B5/B6) | 89/100 | BEST |
| 2 | T3 VEA (B3154T) | 84/100 | BUY |
| 3 | B6304T | 84/100 | BUY |
| 4 | B6294T | 79/100 | BUY |
| 5 | VEP4 2.0 single-turbo (B4204T T3/T4/T5, B4154T) | 79/100 | BUY |
VEP4 2.0 48V MHEV (B4/B5/B6) — 89/100
2.0L Turbo+SC 48V I4
Found in: S60, S60 B4, S60 B5, S90, V60, V60 B5, V90, XC40
Even the best engines have some issues to watch:
- Low-pressure fuel pump fuse failure (2019-2020) - recall — severity minor, typically appears around N/A
- Timing belt (scheduled replacement) — severity minor, typically appears around 241.000 km
- 48V MHEV battery / belt starter-generator — severity moderate, typically appears around N/A
Full VEP4 2.0 48V MHEV (B4/B5/B6) reliability report →
T3 VEA (B3154T) — 84/100
1.5L Turbo I3
Found in: XC40, XC40 1.5T T2
Even the best engines have some issues to watch:
- Carbon buildup (3-cyl DI turbo) — severity minor, typically appears around 80.000 km
- Dry timing belt — scheduled replacement (not a chain) — severity minor, typically appears around N/A
- Engine may not restart after auto start-stop (2018-2019, software recall) — severity minor, typically appears around N/A
Full T3 VEA (B3154T) reliability report →
B6304T — 84/100
B6304T 3.0 T6 I6 (later)
Found in: S60, S80, V70, XC60
Even the best engines have some issues to watch:
- Oil consumption - cam cover seal and valve guide leakage (Volvo bulletin) — severity high, typically appears around N/A
- Engine stall from ECM fuel cut-off software (MY2011 recall) — severity minor, typically appears around N/A
- Oil leaks - rear accessory-drive seal, vacuum pump, timing cover, cam cover — severity minor, typically appears around N/A
Full B6304T reliability report →
B6294T — 79/100
B6294T 2.9 T6 twin-turbo I6
Found in: S80, XC90
Even the best engines have some issues to watch:
- Timing belt failure - valves hit pistons — severity high, typically appears around N/A
- Turbocharger failure (twin turbos) — severity high, typically appears around N/A
- Cracked fuel pump flange - fuel leak (recall) — severity minor, typically appears around N/A
Full B6294T reliability report →
VEP4 2.0 single-turbo (B4204T T3/T4/T5, B4154T) — 79/100
2.0L Turbo I4
Found in: S60, S60 T4, S90, V40, V40 1.5T T2, V40 2.0T T3, V40 2.0T T4, V40 2.0T T5
Even the best engines have some issues to watch:
- Oil consumption from faulty piston rings (built late 2013 - early 2016) — severity critical, typically appears around N/A
- Low-pressure fuel pump fuse failure (2019-2020) - recall — severity minor, typically appears around N/A
- Starter fuse can blow with auto start-stop (2016 model year) - recall — severity minor, typically appears around N/A
Full VEP4 2.0 single-turbo (B4204T T3/T4/T5, B4154T) reliability report →
Generated from EngineScope's reliability database. Reviewed by the editorial team. Methodology →