MERCEDES BENZ S-Klasse (W221) 500 V8 BlueEFFICIENCY 4MATIC 7AT AWD (435 HP) AUDI S8 4.0L TFSI MHEV V8 8AT quattro AWD (571 HP)
engine specs
Cylinders
V8V8
Displacement
4663 cm33996 cm3
Power
320 KW @ 5250 RPM
435 HP @ 5250 RPM
429 BHP @ 5250 RPM
420 KW @ 6000 RPM
571 HP @ 6000 RPM
563 BHP @ 6000 RPM
Torque
516 lb-ft @ 1800–3500 RPM
700 Nm @ 1800–3500 RPM
590 lb-ft @ 2050-4500 RPM
800 Nm @ 2050-4500 RPM
Fuel System
Turbocharged 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 mph (249 km/h)155 mph (249 km/h)
Acceleration 0-62 Mph (0-100 kph)
5 s3.8 s
transmission specs
Drive Type
All Wheel DriveAll Wheel Drive
Gearbox
7-speed automatic (7G-TRONIC PLUS)8-speed automatic tiptronic
brakes specs
Front
Ventilated DiscsVentilated Discs
Rear
Ventilated DiscsVentilated discs
tires specs
Tire Size
255/45 R 18265/40 R20
dimensions
Length
200 in (5080 mm)204.3 in (5189 mm)
Width
73.6 in (1869 mm)76.6 in (1946 mm)
Height
56 in (1422 mm)58.1 in (1476 mm)
Front/rear Track
63/63.2 in (1,600/1,605 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)
0.280.28
Ground Clearance
5.8 in (147 mm)-
Turning circle
38.7 ft (11.8 m)-
weight specs
Unladen Weight
4575 lbs (2075 kg)4894 lbs (2220 kg)
Gross Weight Limit
5919 lbs (2685 kg)6250 lbs (2835 kg)
fuel economy (nedc)
Combined
24 mpg US (9.8 L/100Km)21.8 mpg US (10.8 L/100Km)
City
17 mpg US (13.8 L/100Km)15.6 mpg US (15.1 L/100Km)
Highway
31 mpg US (7.6 L/100Km)28.7 mpg US (8.2 L/100Km)
CO2 Emissions
228–229 g/km246 g/km

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