Compare Audi S8 D5 vs Audi S6 C8
Capacity
Cargo Capacity
505 L / 17.8 cu-ft
520 L / 18.4 cu-ft
Coolant Capacity
16.3 L / 17.2 qt
10.0 L / 10.6 qt
Engine Oil Capacity
9.5 L / 10.0 qt
6.1 L / 6.4 qt
Fuel Capacity
82.0 L / 21.7 gal
63.0 L / 16.6 gal
Passengers
5
5
Payload
615 kg / 1356 lbs
635 kg / 1400 lbs
Chassis
Brakes | Front
Ventilated discs
Disc
Brakes | Rear
Ventilated discs
Disc
Offroad | Approach Angle
11.0 deg
Offroad | Departure Angle
14.0 deg
Power Steering
Electric Steering
Electric Steering
Suspension | Front
Multi-link
Multi-link
Suspension | Rear
Multi-link
Multi-link
Tire Size
265/40 R20
255/40 R20 101Y
Turning Circle
11.4 m / 37.4 ft
12.1 m / 39.7 ft
Construction
Body Style
4-door mild-hybrid Sedan
4-door Sedan
Dimensions
Size | Height
1475 mm / 58.1 in
1446 mm / 56.9 in
Size | Length
5190 mm / 204.3 in
4954 mm / 195.0 in
Size | Width
1945 mm / 76.6 in | 2130 mm / 83.9 in (mirror unfolded)
1886 mm / 74.3 in
Track Width | Front
1629.0 mm / 64.1 in
1620.0 mm / 63.8 in
Track Width | Rear
1614.0 mm / 63.5 in
1603.0 mm / 63.1 in
Weight
2220.0 kg / 4894.3 lbs
1955.0 kg / 4310.0 lbs
Wheel Size
9J x 20
8.5J x 20
Wheelbase
2998 mm / 118.0 in
2928 mm / 115.3 in
Performance
Acceleration | 0 - 100 km/h
3.8 sec
5.0 sec
Acceleration | 0 - 60 mph
3.6 sec
4.8 sec
CO2 Emission
246 g/km
164 ~ 165 g/km
Coefficient Of Drag
0.28
0.29
Fuel Economy
10.8 L/100km / 21.8 MPG (combined) | 15.1 L/100km / 15.6 MPG (urban) | 8.2 L/100km / 28.7 MPG (highway)
6.2 L/100km / 37.9 MPG (combined) | 7.4 L/100km / 31.8 MPG (urban) | 5.6 L/100km / 42.0 MPG (highway)
Top Speed
250.0 km/h / 155.3 mph
250.0 km/h / 155.3 mph
Towing Capacity
750 kg / 1653 lbs (w/o brakes) | 2300 kg / 5071 lbs (w/ brakes @ 8% gradient) | 2300 kg / 5071 lbs (w/ brakes @ 12% gradient)
750 kg / 1653 lbs (w/o brakes) | 2100 kg / 4630 lbs (w/ brakes @ 8% gradient) | 2100 kg / 4630 lbs (w/ brakes @ 12% gradient)
Powertrain
Drivetrain Layout
Front-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6d-ISC-FCM
Engine
CWWB
DEWA
Engine | Bore
86.0 mm / 3.4 in
83.0 mm / 3.3 in
Engine | Compression Ratio
10.1:1
15.5:1
Engine | Displacement
4.0 L / 243.9 cu-in / 3996.0 cc
3.0 L / 181.1 cu-in / 2967.0 cc
Engine | Power
571.0 hp / 425.8 kW @ 6000 rpm
349.0 hp / 260.2 kW @ 3850 rpm
Engine | Specific Output
142.9 hp/L / 2.3 hp/cu-in
117.6 hp/L / 1.9 hp/cu-in
Engine | Stroke
86.0 mm / 3.4 in
91.4 mm / 3.6 in
Engine | Torque
800 Nm / 590.0 lb-ft @ 2050-4500 rpm
700 Nm / 516.3 lb-ft @ 2500-3100 rpm
Engine | Type
Bi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinder
Bi-turbocharged commonrail diesel V6 engine with 4 values per cylinder
Transmission | Gears
8-speed
8-speed
Transmission | Type
Automatic tiptronic
Automatic Tiptronic
Production
Availability
2020
2019
Made In
Germany
Reviews
Neofiliac score
83%
71%
Pros
- Good performance
- Great comfort
- Good 0.28 drag coefficient
- Good exterior styling
- Good 0.28 drag coefficient
- Decent performance
Cons
- Uglier than before
- No real difference in drivetrain from the D4 S8 except more emission-related complexities
- Downsized engine(s)
- Limited by emission controls
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