Car comparison

AUDI RS 6 (4B/C5) 4.2 BiTurbo V8vsAUDI S8 (D3) · Facelift 2007 5.2 FSI V10

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI RS 6 (4B/C5)

4.2 BiTurbo V8

450 hp4172 ccGasolineAWDAutomaticTwin-turboSedan2002-2004
VS

AUDI S8 (D3) · Facelift 2007

5.2 FSI V10

450 hp5204 ccGasolineAWDAutomaticNaturally aspiratedSedan2007-2010

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI RS 6 (4B/C5) 4.2 BiTurbo V8

  • Quickest 0-100 km/h
    4.9 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Lightest
    1,840 kg
    4,057 lb
  • Best power-to-weight
    245 hp/t
    182 kW/t
    4.1 kg/hp
  • Best overall score
    76/100
  • Best performance score
    77/100

AUDI S8 (D3) Facelift 2007 5.2 FSI V10

  • Lowest combined fuel consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest city consumption
    19.5 L/100 km
    12.1 mpg US
    14.5 mpg UK
  • Lowest highway consumption
    9.5 L/100 km
    24.8 mpg US
    29.7 mpg UK
  • Lowest CO2 emissions
    314 g/km
  • Best estimated range
    682 km
    424 mi
  • Largest trunk
    500 L
  • Best economy score
    71/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelAUDIRS 6 (4B/C5)4.2 BiTurbo V8AUDIS8 (D3)Facelift 20075.2 FSI V10
Power
450hp336kW
450hp336kW
Torque
560Nm413lb-ft
540Nm398lb-ft
Curb weight
1,840kg4,057lb
1,940kg4,277lb
Gross weight
2,380kg5,247lb
2,540kg5,600lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
71.0s99% target: 262 km/h / 163 mph
Calculated
49.4s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
5.1s
0-200 km/h
17.6s
15.1s
Calculated
0-60 mph
4.7s
Calculated
4.9s
Calculated
Fuel consumption
14.6L/100 km16.1mpg US19.3mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption city
21.8L/100 km10.8mpg US13.0mpg UK
19.5L/100 km12.1mpg US14.5mpg UK
Fuel consumption highway
10.4L/100 km22.6mpg US27.2mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
13.0s
Calculated
13.0s
Calculated
Power-to-weight
245hp/t182kW/t111hp/1000 lb
Calculated
232hp/t173kW/t105hp/1000 lb
Calculated
Torque-to-weight
304Nm/t204lb-ft/ton
Calculated
278Nm/t186lb-ft/ton
Calculated
Estimated range
562km349mi
Calculated
682km424mi
Calculated
Displacement
4,172cc255cu in
5,204cc318cu in
Length
4,858mm191in
5,062mm199in
Width
1,850mm73in
1,897mm75in
Height
1,426mm56in
1,424mm56in
Wheelbase
2,759mm109in
2,944mm116in
Front track
1,578mm62in
1,620mm64in
Rear track
1,587mm62in
1,607mm63in
Ground clearance-
120mm5in
Trunk volume
424L
500L
Doors
4
4
Seats
5
5
Fuel tank
82L
90L
CO2 emissions
350g/km
314g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI RS 6 (4B/C5) 4.2 BiTurbo V8AUDI S8 (D3) Facelift 2007 5.2 FSI V10PowerTorque
  • AUDI RS 6 (4B/C5) 4.2 BiTurbo V8: Power / Torque
  • AUDI S8 (D3) Facelift 2007 5.2 FSI V10: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS 6 (4B/C5)4.2 BiTurbo V85,700-6,400 rpm1,950-5,500 rpm6,650 rpm
AUDIS8 (D3)Facelift 20075.2 FSI V107,000 rpm3,500 rpm7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS 6 (4B/C5)4.2 BiTurbo V8AUDIS8 (D3)Facelift 20075.2 FSI V10
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.9 s
0-100 km/h
0-62 mph
4.9 s
5.1 s
0-200 km/h
0-124 mph
17.6 s
15.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.4 s
330 ft
101 m
5.6 s
5.9 s
1/8 mile
201 m
8.5 s
8.7 s
1000 ft
305 m
11.0 s
11.1 s
1/4 mile
402 m
13.0 s
13.0 s
Trap speed
1/4 mile
402 m
176 km/h
109 mph
186 km/h
116 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
450 hp
336 kW
AUDIS8 (D3)Facelift 20075.2 FSI V10
450 hp
336 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
560 Nm
413 lb-ft
AUDIS8 (D3)Facelift 20075.2 FSI V10
540 Nm
398 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
1,840 kg
4,057 lb
AUDIS8 (D3)Facelift 20075.2 FSI V10
1,940 kg
4,277 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS8 (D3)Facelift 20075.2 FSI V10
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V84.9 s
AUDIS8 (D3)Facelift 20075.2 FSI V105.1 s

The biggest 0-100 km/h difference is between AUDI RS 6 (4B/C5) 4.2 BiTurbo V8 and AUDI S8 (D3) Facelift 2007 5.2 FSI V10: 0.2 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
AUDIS8 (D3)Facelift 20075.2 FSI V10
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

The biggest fuel consumption difference is between AUDI S8 (D3) Facelift 2007 5.2 FSI V10 and AUDI RS 6 (4B/C5) 4.2 BiTurbo V8: 1.4 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
245 hp/t
182 kW/t
4.1 kg/hp
AUDIS8 (D3)Facelift 20075.2 FSI V10
232 hp/t
173 kW/t
4.3 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
562 km
349 mi
AUDIS8 (D3)Facelift 20075.2 FSI V10
682 km
424 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
450 hp
336 kW
4.9 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS8 (D3)Facelift 20075.2 FSI V10
450 hp
336 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
424 L
15.0 cu ft
Length
4,858 mm
191.3 in
Height
1,426 mm
56.1 in
AUDIS8 (D3)Facelift 20075.2 FSI V10
Power
450 hp
336 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
5,062 mm
199.3 in
Height
1,424 mm
56.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
AUDIS8 (D3)Facelift 20075.2 FSI V10
Power
450 hp
336 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

AUDI S8 (D3) Facelift 2007 5.2 FSI V10 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
4.9 s
AUDIS8 (D3)Facelift 20075.2 FSI V10
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
5.1 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIRS 6 (4B/C5)4.2 BiTurbo V8
245 hp/t
182 kW/t
4.1 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
AUDIS8 (D3)Facelift 20075.2 FSI V10
232 hp/t
173 kW/t
4.3 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS 6 (4B/C5)4.2 BiTurbo V8AUDIS8 (D3)Facelift 20075.2 FSI V10
Power
450 hp
336 kW
450 hp
336 kW
Torque
560 Nm
413 lb-ft
540 Nm
398 lb-ft
Acceleration
4.9 s
5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,840 kg
4,057 lb
1,940 kg
4,277 lb
Fuel consumption
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
424 L
15.0 cu ft
Length
4,858 mm
191.3 in
Height
1,426 mm
56.1 in
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
5,062 mm
199.3 in
Height
1,424 mm
56.1 in
Range score
562 km
349 mi
682 km
424 mi
CO2 score
350 g/km
314 g/km
Trunk score
424 L
15.0 cu ft
500 L
17.7 cu ft
Power-to-weight score
245 hp/t
182 kW/t
4.1 kg/hp
232 hp/t
173 kW/t
4.3 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI RS 6 (4B/C5) 4.2 BiTurbo V8AUDI S8 (D3) Facelift 2007 5.2 FSI V10
Consumption14.6 L/100 km16.1 mpg US19.3 mpg UK13.2 L/100 km17.8 mpg US21.4 mpg UK
Cost / 100 km25.55 LC100 km23.10 LC100 km
Cost / 100 mi41.12 LC100 mi37.18 LC100 mi
Annual fuel used2,190 L579 US gal482 UK gal1,980 L523 US gal436 UK gal
Annual fuel cost3,833 LC/year3,465 LC/year

Head-to-head comparisons

AUDI RS 6 (4B/C5) 4.2 BiTurbo V8

  • Has 20 Nm more
  • Is 100 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 13 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

AUDI S8 (D3) Facelift 2007 5.2 FSI V10

  • Uses 1.4 L/100 km less fuel
  • Has 120 km (75 mi) more estimated range
  • Has 76 L more trunk volume
  • Emits 36 g/km less CO2

Pros

  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS 6 (4B/C5) 4.2 BiTurbo V8
AUDI S8 (D3) 5.2 FSI V10
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2 vehicles selected

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