Buick LaCrosse
Maintenance specs for 8 variants of the Buick LaCrosse — from 2005 to 2019.
2005–2009 Buick LaCrosse
3.8L V6 (L26 3800 Series III) · FWD
200 hp / 230 lb-ft
Transmission
Type4-Speed Automatic (4T65-E)
FluidDexron VI
Drain & fill7 qt
Full capacity12 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Fuel
Tank17 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2005–2009 Buick LaCrosse
5.3L V8 (LS4) · FWD
303 hp / 323 lb-ft
Transmission
Type4-Speed Automatic (4T65-E HD)
FluidDexron VI
Drain & fill7 qt
Full capacity12 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Fuel
Tank17 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2010–2016 Buick LaCrosse
2.4L I4 (LEA (eAssist)) · FWD
182 hp / 172 lb-ft
Transmission
Type6-Speed Automatic (6T40)
FluidDexron VI
Drain & fill4.5 qt
Full capacity7.4 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Fuel
Tank17 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2010–2016 Buick LaCrosse
3.6L V6 (LFX) · FWD
304 hp / 264 lb-ft
Transmission
Type6-Speed Automatic (6T70)
FluidDexron VI
Drain & fill6 qt
Full capacity12 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2010–2016 Buick LaCrosse
3.6L V6 (LFX) · AWD
304 hp / 264 lb-ft
Transmission
Type6-Speed Automatic (6T70)
FluidDexron VI
Drain & fill6 qt
Full capacity12 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Differentials
Rear fluid75W-90 Synthetic GL-5
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2017–2019 Buick LaCrosse
2.5L I4 Hybrid (LCV (eAssist)) · FWD
194 hp / 187 lb-ft
Transmission
Type6-Speed Automatic (6T40)
FluidDexron HP
Drain & fill4.5 qt
Full capacity7.4 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2017–2019 Buick LaCrosse
3.6L V6 (LGX) · FWD
310 hp / 282 lb-ft
Transmission
Type8-Speed Automatic (8L45)
FluidDexron HP
Drain & fill5.6 qt
Full capacity10 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2017–2019 Buick LaCrosse
3.6L V6 (LGX) · AWD
310 hp / 282 lb-ft
Transmission
Type8-Speed Automatic (8L45)
FluidDexron HP
Drain & fill5.6 qt
Full capacity10 qt
Power Steering
TypeElectric
FluidGM Power Steering Fluid
Differentials
Rear fluid75W-90 Synthetic GL-5
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi