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Buick Regal

Maintenance specs for 11 variants of the Buick Regal — from 1985 to 2020.

19851987 Buick Regal

3.8L V6 (LC2 3800) · RWD

150 hp / 200 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF35

Transmission

Type4-Speed Automatic (200-4R)
FluidDexron III
Drain & fill5 qt
Full capacity11 qt

Coolant

TypeConventional (green)
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Differentials

Rear fluid80W-90 GL-5

Fuel

Tank18.1 gal
TypeRegular 87

Tires

Size195/75R14
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 195/75R14 tires

Battery

Group size75
CCA630 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt45,000 mi

19881996 Buick Regal

3.1L V6 (L82/LH0) · FWD

160 hp / 185 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T60-E)
FluidDexron III
Drain & fill6 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity11.5 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17.1 gal
TypeRegular 87

Tires

Size205/70R15
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 205/70R15 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service50,000 mi
Coolant flush60,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt60,000 mi

19881996 Buick Regal

3.8L V6 (L27 3800) · FWD

170 hp / 220 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T60-E)
FluidDexron III
Drain & fill6 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity11.5 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17.1 gal
TypeRegular 87

Tires

Size205/70R15
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 205/70R15 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

Service Intervals

Oil change3,000 mi
Trans service50,000 mi
Coolant flush60,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt60,000 mi

19972004 Buick Regal

3.8L Supercharged V6 (L67 3800 Series II SC) · FWD

240 hp / 280 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T65-E HD)
FluidDexron III/VI
Drain & fill7 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity11.7 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17.1 gal
TypePremium 91

Tires

Size225/60R16
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 225/60R16 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

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 belt80,000 mi

19972004 Buick Regal

3.8L V6 (L36 3800 Series II) · FWD

200 hp / 225 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4T65-E)
FluidDexron III/VI
Drain & fill7 qt
Full capacity12 qt

Coolant

TypeDex-Cool (orange)
Capacity11.7 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Fuel

Tank17.1 gal
TypeRegular 87

Tires

Size225/60R16
Pressure (front)30 PSI
Pressure (rear)30 PSI
Shop 225/60R16 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver22"
Passenger22"
Shop wiper blades

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

20112017 Buick Regal

2.0L Turbo I4 (LHU/LTG) · FWD

259 hp / 295 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF64

Transmission

Type6-Speed Automatic (6T45)
FluidDexron VI
Drain & fill4.5 qt
Full capacity7.4 qt

Coolant

TypeDex-Cool (orange)
Capacity7.9 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank18 gal
TypePremium 91

Tires

Size245/45R18
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 245/45R18 tires

Battery

Group size47
CCA690 A
Shop group 47 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20112017 Buick Regal

2.0L Turbo I4 (LHU/LTG) · AWD

259 hp / 295 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF64

Transmission

Type6-Speed Automatic (6T50)
FluidDexron VI
Drain & fill5 qt
Full capacity8 qt

Coolant

TypeDex-Cool (orange)
Capacity7.9 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank18 gal
TypePremium 91

Tires

Size245/45R18
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 245/45R18 tires

Battery

Group size47
CCA690 A
Shop group 47 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20112013 Buick Regal

2.4L I4 (LEA (eAssist)) · FWD

182 hp / 172 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF63

Transmission

Type6-Speed Automatic (6T45)
FluidDexron VI
Drain & fill4.5 qt
Full capacity7.4 qt

Coolant

TypeDex-Cool (orange)
Capacity7.9 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank18 gal
TypeRegular 87

Tires

Size235/50R18
Pressure (front)32 PSI
Pressure (rear)32 PSI
Shop 235/50R18 tires

Battery

Group size47
CCA690 A
Shop group 47 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

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

20182020 Buick Regal

2.0L Turbo I4 (LSY) · FWD

250 hp / 260 lb-ft

Engine Oil

Weight0W-20
Capacity5 qt
FilterPF66

Transmission

Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5.6 qt
Full capacity9 qt

Coolant

TypeDex-Cool (orange)
Capacity8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Fuel

Tank16 gal
TypeRegular 87

Tires

Size245/45R18
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/45R18 tires

Battery

Group size48
CCA690 A
Shop group 48 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20182020 Buick Regal

2.0L Turbo I4 (LSY) · AWD

250 hp / 260 lb-ft

Engine Oil

Weight0W-20
Capacity5 qt
FilterPF66

Transmission

Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5.6 qt
Full capacity9 qt

Coolant

TypeDex-Cool (orange)
Capacity8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank16 gal
TypeRegular 87

Tires

Size245/45R18
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 245/45R18 tires

Battery

Group size48
CCA690 A
Shop group 48 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

Service Intervals

Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi

20182020 Buick Regal

3.6L V6 (LGX) · AWD

310 hp / 282 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF66

Transmission

Type9-Speed Automatic (9T65)
FluidDexron HP
Drain & fill6 qt
Full capacity11.2 qt

Coolant

TypeDex-Cool (orange)
Capacity10.8 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric
FluidGM Power Steering Fluid

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank16 gal
TypeRegular 87

Tires

Size255/35R19
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 255/35R19 tires

Battery

Group size48
CCA730 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver24"
Passenger19"
Shop wiper blades

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