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Buick

Roadmaster Specs

1991–present • Sedan

Engine & Performance

5.7 V8 SFI Automatic

5.7-SMALLBLOCK-N-E2
Power 264 HP
Fuel Petrol
Engine Code LT1
Drivetrain & Chassis
Chassis Sedan
Gearbox code 4L60E
Platform GM B-Body
Dimensions
Length
Width
Height
Wheelbase
Top speed
300 km/h
Top speed
Fuel
5.8 L/100km
Fuel
Combined
6.3 L/100km
Combined

Chassis & Body

Engine Lineup

Engine HP Fuel CO₂
5.7 V8 SFI (264 Hp) Automatic 264 HP Petrol
5.7 V8 TBI (180 Hp) Automatic 180 HP Petrol
Gearbox

Note: Performance figures may vary based on market and conditions.

Advanced Specs

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Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.