EngineCreep
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Most Reliable Diesel Engines

15 engines · ranked on the evidence that sits behind every score

Diesel engines from the database, ranked by reliability score, highest first.

M57
3 Series E90 · 330d92/100
3.0 LDieselInline-62005–2011
Excellent
92/100
Main problems
  • DPF clogging / regeneration failure
  • Crankshaft vibration damper failure
  • Oil pump wear / sludge buildup
3.0 LDieselInline-62005–2011
M47
3 Series E46/E90 · 320d80/100
2.0 LDieselInline-42001–2007
Good
80/100
Main problems
  • Swirl flap failure
  • High-pressure fuel pump failure
  • DPF clogging / regeneration failure
2.0 LDieselInline-42001–2007
B57
3 Series G20 · 330d78/100
3.0 LDieselInline-62019–2025
Good
78/100
Main problems
  • EGR cooler leak
  • DPF clogging / regeneration failure
  • Piston ringland failure
3.0 LDieselInline-62019–2025
EA189
Golf Mk6 · TDI75/100
2.0 LDieselInline-42008–2015
Good
75/100
Main problems
  • Timing belt failure
  • Oil pump wear / sludge buildup
  • Fuel injector failure
2.0 LDieselInline-42008–2015
N57
5 Series F10/F11 · 530d75/100
3.0 LDieselInline-62010–2016
Good
75/100
Main problems
  • EGR cooler leak (fire risk)
  • Oil pump wear / sludge buildup
  • Timing chain stretch / guide wear
3.0 LDieselInline-62010–2016
B47
3 Series F30 LCI · 320d73/100
2.0 LDieselInline-42015–2018
Good
73/100
Main problems
  • EGR cooler leak (fire risk)
  • Turbocharger failure
  • Timing chain stretch / guide wear
2.0 LDieselInline-42015–2018
EA288
Golf Mk7 · TDI72/100
2.0 LDieselInline-42013–2018
Good
72/100
Main problems
  • High-pressure fuel pump failure
  • Dual-clutch / automatic transmission failure
  • DPF clogging / regeneration failure
2.0 LDieselInline-42013–2018
B47
1 Series F20 LCI · 120d72/100
2.0 LDieselInline-42015–2019
Good
72/100
Main problems
  • EGR cooler leak
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42015–2019
B47
1 Series F20 LCI · 118d70/100
2.0 LDieselInline-42015–2019
Good
70/100
Main problems
  • EGR cooler leak (fire risk)
  • DPF clogging / regeneration failure
  • Timing chain stretch / guide wear
2.0 LDieselInline-42015–2019
EA189
Tiguan 5N64/100
2.0 LDieselInline-42007–2016
Solid
64/100
Main problems
  • Timing belt failure
  • EGR valve or cooler failure
  • SCR / AdBlue system fault
2.0 LDieselInline-42007–2016
N47
3 Series F3040/100
2.0 LDieselInline-42012–2015
Risky
40/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42012–2015
N47
5 Series F10/F11 · 520d40/100
2.0 LDieselInline-42010–2013
Risky
40/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42010–2013
N47
1 Series F20/F21 · 120d40/100
2.0 LDieselInline-42011–2014
Risky
40/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42011–2014
N47
3 Series E90/E91/E92 LCI38/100
2.0 LDieselInline-42009–2012
Avoid
38/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
2.0 LDieselInline-42009–2012
N47
1 Series F20 · 114d38/100
1.6 LDieselInline-42012–2015
Avoid
38/100
Main problems
  • High-pressure fuel pump failure
  • Timing chain stretch / guide wear
  • DPF clogging / regeneration failure
1.6 LDieselInline-42012–2015