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Compare Audi S6 C8 vs Audi S7 C7 facelift vs Audi S8 D4

Variants
S8
S8 Plus

Capacity

Cargo Capacity
520 L / 18.4 cu-ft
535 L / 18.9 cu-ft ~ 1390 L / 49.1 cu-ft
520 L / 18.4 cu-ft
Coolant Capacity
10.0 L / 10.6 qt
12.0 L / 12.7 qt
14.8 L / 15.6 qt
Engine Oil Capacity
6.1 L / 6.4 qt
8.3 L / 8.8 qt
8.7 L / 9.2 qt
Fuel Capacity
63.0 L / 16.6 gal
75.0 L / 19.8 gal
82.0 L / 21.7 gal
Passengers
5
4
5
Payload
635 kg / 1400 lbs
610 kg / 1345 lbs
600 kg / 1323 lbs

Chassis

Brakes | Front
Disc
Ventilated discs
Ventilated discs
Brakes | Rear
Disc
Ventilated discs
Ventilated discs
Power Steering
Electric Steering
Electric Steering
Electric Steering
Suspension | Front
Multi-link
Multi-link
Multi-link
Suspension | Rear
Multi-link
Independent on trapezoidal lever
Independent on trapezoidal lever
Tire Size
255/40 R20 101Y
255/40 R19
265/40 R20
Turning Circle
12.1 m / 39.7 ft
11.9 m / 39.0 ft

Construction

Body Style
4-door Sedan
5-door Sedan
4-door Sedan

Dimensions

Size | Height
1446 mm / 56.9 in
1408 mm / 55.4 in
1458 mm / 57.4 in
Size | Length
4954 mm / 195.0 in
4980 mm / 196.1 in
5147 mm / 202.6 in
Size | Width
1886 mm / 74.3 in
1911 mm / 75.2 in | 2139 mm / 84.2 in (mirror unfolded)
1949 mm / 76.7 in | 2111 mm / 83.1 in (mirror unfolded)
Track Width | Front
1620.0 mm / 63.8 in
1641.0 mm / 64.6 in
1632.0 mm / 64.3 in
Track Width | Rear
1603.0 mm / 63.1 in
1632.0 mm / 64.3 in
1623.0 mm / 63.9 in
Weight
1955.0 kg / 4310.0 lbs
1955.0 kg / 4310.0 lbs
1990.0 kg / 4387.2 lbs
Wheel Size
8.5J x 20
8.5J x 19
9.0J x 20
Wheelbase
2928 mm / 115.3 in
2916 mm / 114.8 in
2994 mm / 117.9 in

Performance

Acceleration | 0 - 100 km/h
5.0 sec
4.6 sec
Acceleration | 0 - 60 mph
4.8 sec
4.4 sec
CO2 Emission
164 ~ 165 g/km
215 g/km
Coefficient Of Drag
0.29
0.3
0.28
Fuel Economy
6.2 L/100km / 37.9 MPG (combined) | 7.4 L/100km / 31.8 MPG (urban) | 5.6 L/100km / 42.0 MPG (highway)
9.3 L/100km / 25.3 MPG (combined) | 13.2 L/100km / 17.8 MPG (urban) | 7.0 L/100km / 33.6 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) | 2100 kg / 4630 lbs (w/ brakes @ 8% gradient) | 2100 kg / 4630 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)
750 kg / 1653 lbs (w/o brakes) | 2300 kg / 5071 lbs (w/ brakes @ 8% gradient) | 2300 kg / 5071 lbs (w/ brakes @ 12% gradient)

Powertrain

Drivetrain Layout
Front-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), All-wheel drive
Front-engine (longitudinal), All-wheel drive
Emission Standard
Euro 6
Euro 6
Engine
DEWA
CTGE
Engine | Bore
83.0 mm / 3.3 in
84.5 mm / 3.3 in
84.5 mm / 3.3 in
Engine | Compression Ratio
15.5:1
10.1:1
9.3:1
Engine | Displacement
3.0 L / 181.1 cu-in / 2967.0 cc
4.0 L / 243.7 cu-in / 3993.0 cc
4.0 L / 243.7 cu-in / 3993.0 cc
Engine | Power
349.0 hp / 260.2 kW @ 3850 rpm
450.0 hp / 335.6 kW @ 5800-6400 rpm
Engine | Redline
6400 rpm
Engine | Specific Output
117.6 hp/L / 1.9 hp/cu-in
112.7 hp/L / 1.8 hp/cu-in
Engine | Stroke
91.4 mm / 3.6 in
89.0 mm / 3.5 in
89.0 mm / 3.5 in
Engine | Torque
700 Nm / 516.3 lb-ft @ 2500-3100 rpm
550 Nm / 405.7 lb-ft @ 1400-5700 rpm
Engine | Type
Bi-turbocharged commonrail diesel V6 engine with 4 values per cylinder
Bi-turbocharged direct-injected petrol V8 DOHC engine with 4 values per cylinder
Transmission | Gears
8-speed
7-speed
8-speed
Transmission | Type
Automatic Tiptronic
Automatic S-tronic
Automatic ZF 8HP

Production

Availability
2019
2014 ~ 2016
Made In
Germany

Reviews

Neofiliac score
71%
76%
86%
Pros
  • Good exterior styling
  • Good 0.28 drag coefficient
  • Decent performance
  • Torquey and powerful V8TT engine
  • Fast 7-speed DCT
  • Supposedly better fuel economy
  • Good towing capacity
  • Multi-link suspensions all-around
  • Rather good styling
  • Powerful V8TT engine
  • Great suspension setup
  • Good 0.28 drag coefficient
  • Good towing capacity
Cons
  • Downsized engine(s)
  • Limited by emission controls
  • Lots of complexity yet little room for any work in the engine bay
  • Still nose-heavy
  • Questionable long-term reliability

Price

Offers (incl. referral links)
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