MERCEDES BENZ S-Klasse (W221) 450 V8 7AT RWD (340 HP) AUDI S8 4.0L TFSI MHEV V8 8AT quattro AWD (571 HP)
engine specs
Cylinders
V8V8
Displacement
4663 cm33996 cm3
Power
250 KW @ 6000 RPM
340 HP @ 6000 RPM
335 BHP @ 6000 RPM
420 KW @ 6000 RPM
571 HP @ 6000 RPM
563 BHP @ 6000 RPM
Torque
339 lb-ft @ 2700-4250 RPM
460 Nm @ 2700-4250 RPM
590 lb-ft @ 2050-4500 RPM
800 Nm @ 2050-4500 RPM
Fuel System
Multipoint InjectionTurbocharged Direct Injection
Fuel
GasolineGasoline
Fuel capacity
23.8 gallons (90.1 L)21.7 gallons (82.1 L)
performance specs
Top Speed
155.3 mph (250 km/h)155 mph (249 km/h)
Acceleration 0-62 Mph (0-100 kph)
5.9 s3.8 s
transmission specs
Drive Type
Rear Wheel DriveAll Wheel Drive
Gearbox
7-speed automatic8-speed automatic tiptronic
brakes specs
Front
Ventilated DiscsVentilated Discs
Rear
Ventilated DiscsVentilated discs
tires specs
Tire Size
235/55 R 17265/40 R20
dimensions
Length
199.8 in (5075 mm)204.3 in (5189 mm)
Width
73.7 in (1872 mm)76.6 in (1946 mm)
Height
58 in (1473 mm)58.1 in (1476 mm)
Front/rear Track
63.1/63.2 in (1,603/1,605 mm)64.1/63.5 in (1,628/1,613 mm)
Wheelbase
119.5 in (3035 mm)118 in (2997 mm)
Cargo Volume
19.8 cuFT (561 L)17.8 cuFT (504 L)
Aerodynamics (frontal area)
-2.43 m2
Aerodynamics (Cd)
0.270.28
weight specs
Unladen Weight
4277.7 lbs (1940 kg)4894 lbs (2220 kg)
Gross Weight Limit
5611.7 lbs (2545 kg)6250 lbs (2835 kg)
fuel economy (nedc)
Combined
21 mpg US (11.2 L/100Km)21.8 mpg US (10.8 L/100Km)
City
14.3 mpg US (16.4 L/100Km)15.6 mpg US (15.1 L/100Km)
Highway
29 mpg US (8.1 L/100Km)28.7 mpg US (8.2 L/100Km)
CO2 Emissions
267 g/km246 g/km

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