BUICK Regal Sportback 3.6L V6 8AT AWD (310 HP) AUDI S8 4.0L TFSI MHEV V8 8AT quattro AWD (571 HP)
engine specs
Cylinders
V6V8
Displacement
-3996 cm3
Power
228 KW @ 6800 RPM
310 HP @ 6800 RPM
306 BHP @ 6800 RPM
420 KW @ 6000 RPM
571 HP @ 6000 RPM
563 BHP @ 6000 RPM
Torque
260 lb-ft @ 5200 RPM
353 Nm @ 5200 RPM
590 lb-ft @ 2050-4500 RPM
800 Nm @ 2050-4500 RPM
Fuel System
Turbocharged Direct InjectionTurbocharged Direct Injection
Fuel
GasolineGasoline
Fuel capacity
16.4 gallons (62.1 L)21.7 gallons (82.1 L)
performance specs
Top Speed
-155 mph (249 km/h)
Acceleration 0-62 Mph (0-100 kph)
-3.8 s
transmission specs
Drive Type
All Wheel DriveAll Wheel Drive
Gearbox
8-speed automatic8-speed automatic tiptronic
brakes specs
Front
Ventilated DiscsVentilated Discs
Rear
DiscsVentilated discs
tires specs
Tire Size
P225/55R17265/40 R20
dimensions
Length
192.9 in (4900 mm)204.3 in (5189 mm)
Width
73.3 in (1862 mm)76.6 in (1946 mm)
Height
57.3 in (1455 mm)58.1 in (1476 mm)
Front/rear Track
62.8/63 in (1,595/1,600 mm)64.1/63.5 in (1,628/1,613 mm)
Wheelbase
111.4 in (2830 mm)118 in (2997 mm)
Cargo Volume
31.5 cuFT (892 L)17.8 cuFT (504 L)
Aerodynamics (frontal area)
-2.43 m2
Aerodynamics (Cd)
-0.28
weight specs
Unladen Weight
-4894 lbs (2220 kg)
Gross Weight Limit
-6250 lbs (2835 kg)
fuel economy (nedc)
Combined
-21.8 mpg US (10.8 L/100Km)
City
19 mpg US (12.4 L/100Km)15.6 mpg US (15.1 L/100Km)
Highway
27 mpg US (8.7 L/100Km)28.7 mpg US (8.2 L/100Km)
CO2 Emissions
-246 g/km

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