Recommended Engine Oil for the Buick Regal. How Much Do You Need?

We analyzed official data on Buick Regal engine oil for 3 generations and 18 modifications produced from 1997 to 2024 and figured out the optimal liquids.


The Regal Generations
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Regal E2XX (2017-2024)

Engine Capacity Change interval Oil type
Regal 2.0L Turbo AWD 5,7 L Check 7500 miles, 12 months 5W-30
Regal 2.0L Turbo FWD 4,7 L Check 7500 miles, 12 months 5W-30
Regal GS 3.6L V6 AWD 5,7 L Check 7500 miles, 12 months 5W-30
Regal TourX 2.0L Turbo AWD 5,7 L Check 7500 miles, 12 months 5W-30

Regal Epsilon II (2011-2017)

Engine Capacity Change interval Oil type
Regal 2.0L VVT Turbo (164 kW) 5,7-6 L 3000 miles -
Regal 2.0L VVT Turbo AWD (193 kW) 5,7 L 12 months 5W-30
Regal 2.0L VVT Turbo AWD (193 kW) 5,7 L Check 7500 miles, 12 months 5W-30
Regal 2.0L VVT Turbo FWD (193 kW) 4,7 L 12 months 5W-30
Regal 2.0L VVT Turbo FWD (193 kW) 4,7 L Check 7500 miles, 12 months 5W-30
Regal 2.0L VVT Turbo GS (201 kW) 6 L 3000 miles -
Regal 2.4L VVT eAssist 4,7 L 12 months -
Regal 2.4L VVT eAssist 4,7 L Check 7500 miles, 12 months -
Regal 2.4L VVT 4,7 L 12 months -
Regal 2.4L VVT 4,7 L 3000 miles -
Regal 2.4L VVT 4,7 L 40000 km -
Regal 2.4L VVT 4,7 L Check 7500 miles, 12 months -
More engines

Regal GM10 (1997-2004)

Engine Capacity Change interval Oil type
Regal 3.8 V6 Supercharged 4,3 L 12 months 5W-30
Regal 3.8 V6 4,3 L 12 months 5W-30
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