Car comparison

AUDI S8 (D4) · Facelift 2013 4.0 TFSI COD V8 plusvsRolls-Royce Ghost I · Facelift 2014 6.6 V12

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

New comparison

AUDI S8 (D4) · Facelift 2013

4.0 TFSI COD V8 plus

605 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2015-2018
VS

Rolls-Royce Ghost I · Facelift 2014

6.6 V12

612 hp6592 ccGasolineRWDAutomaticTwin-turboSedan2016-2020

Comparison overview

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

Best choices

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Quickest 0-100 km/h
    3.8 s
  • Fastest top speed
    305 km/h
    190 mph
  • Lightest
    1,990 kg
    4,387 lb
  • Best power-to-weight
    304 hp/t
    227 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    10.0 L/100 km
    23.5 mpg US
    28.2 mpg UK
  • Lowest city consumption
    13.7 L/100 km
    17.2 mpg US
    20.6 mpg UK
  • Lowest highway consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest CO2 emissions
    231 g/km
  • Best estimated range
    820 km
    510 mi
  • Largest trunk
    520 L
  • Best overall score
    86/100
  • Best performance score
    90/100
  • Best economy score
    80/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusRolls-RoyceGhost IFacelift 20146.6 V12
Power
605hp451kW
612hp456kW
Torque
750Nm553lb-ft
840Nm620lb-ft
Curb weight
1,990kg4,387lb
2,490kg5,490lb
Gross weight
2,590kg5,710lb
2,940kg6,482lb
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
40.0s99% target: 302 km/h / 188 mph
Calculated
52.2s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.8s
4.8s
0-200 km/h
9.8s
Calculated
15.0s
Calculated
0-60 mph
3.7s
Calculated
4.6s
Calculated
Fuel consumption
10L/100 km23.5mpg US28.2mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption city
13.7L/100 km17.2mpg US20.6mpg UK
22.2L/100 km10.6mpg US12.7mpg UK
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Quarter mile
11.3s
Calculated
12.8s
Calculated
Power-to-weight
304hp/t227kW/t138hp/1000 lb
Calculated
246hp/t183kW/t111hp/1000 lb
Calculated
Torque-to-weight
377Nm/t252lb-ft/ton
Calculated
337Nm/t226lb-ft/ton
Calculated
Estimated range
820km510mi
Calculated
562km349mi
Calculated
Displacement
3,993cc244cu in
6,592cc402cu in
Length
5,147mm203in
5,399mm213in
Width
1,949mm77in
1,948mm77in
Height
1,458mm57in
1,550mm61in
Wheelbase
2,994mm118in
3,295mm130in
Front track
1,632mm64in
1,622mm64in
Rear track
1,623mm64in
1,660mm65in
Trunk volume
520L
490L
Doors
4
4
Seats
5
5
Fuel tank
82L
82L
CO2 emissions
231g/km
333g/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 S8 (D4) Facelift 2013 4.0 TFSI COD V8 plusRolls-Royce Ghost I Facelift 2014 6.6 V12PowerTorque
  • AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: Power / Torque
  • Rolls-Royce Ghost I Facelift 2014 6.6 V12: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus6,100-6,800 rpm2,500-5,500 rpm7,050 rpm
Rolls-RoyceGhost IFacelift 20146.6 V125,250 rpm1,650-5,000 rpm5,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusRolls-RoyceGhost IFacelift 20146.6 V12
Acceleration checkpoints
0-60 mph
0-97 km/h
3.7 s
4.6 s
0-100 km/h
0-62 mph
3.8 s
4.8 s
0-200 km/h
0-124 mph
9.8 s
15.0 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.3 s
330 ft
101 m
5.2 s
5.7 s
1/8 mile
201 m
7.6 s
8.5 s
1000 ft
305 m
9.6 s
10.8 s
1/4 mile
402 m
11.3 s
12.8 s
Trap speed
1/4 mile
402 m
217 km/h
135 mph
186 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW
Rolls-RoyceGhost IFacelift 20146.6 V12
612 hp
456 kW

Rolls-Royce Ghost I Facelift 2014 6.6 V12 has 7 hp more than AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus.

The biggest power difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 7 hp (5 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
750 Nm
553 lb-ft
Rolls-RoyceGhost IFacelift 20146.6 V12
840 Nm
620 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
1,990 kg
4,387 lb
Rolls-RoyceGhost IFacelift 20146.6 V12
2,490 kg
5,490 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
305 km/h
190 mph
Rolls-RoyceGhost IFacelift 20146.6 V12
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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus3.8 s
Rolls-RoyceGhost IFacelift 20146.6 V124.8 s

Although Rolls-Royce Ghost I Facelift 2014 6.6 V12 has more power, AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 1.0 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

The biggest fuel consumption difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and Rolls-Royce Ghost I Facelift 2014 6.6 V12: 4.6 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 kg/hp
Rolls-RoyceGhost IFacelift 20146.6 V12
246 hp/t
183 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
820 km
510 mi
Rolls-RoyceGhost IFacelift 20146.6 V12
562 km
349 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW
3.8 s
305 km/h
190 mph
Rolls-RoyceGhost IFacelift 20146.6 V12
612 hp
456 kW
4.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 in
Rolls-RoyceGhost IFacelift 20146.6 V12
Power
612 hp
456 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
490 L
17.3 cu ft
Length
5,399 mm
212.6 in
Height
1,550 mm
61.0 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
Power
612 hp
456 kW
0-100 km/h4.8 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

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
3.8 s
Rolls-RoyceGhost IFacelift 20146.6 V12
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
4.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Rolls-RoyceGhost IFacelift 20146.6 V12
246 hp/t
183 kW/t
4.1 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plusRolls-RoyceGhost IFacelift 20146.6 V12
Power
605 hp
451 kW
612 hp
456 kW
Torque
750 Nm
553 lb-ft
840 Nm
620 lb-ft
Acceleration
3.8 s
4.8 s
Top speed
305 km/h
190 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,990 kg
4,387 lb
2,490 kg
5,490 lb
Fuel consumption
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 in
Doors/seats
4 doors
5 seats
Trunk
490 L
17.3 cu ft
Length
5,399 mm
212.6 in
Height
1,550 mm
61.0 in
Range score
820 km
510 mi
562 km
349 mi
CO2 score
231 g/km
333 g/km
Trunk score
520 L
18.4 cu ft
490 L
17.3 cu ft
Power-to-weight score
304 hp/t
227 kW/t
3.3 kg/hp
246 hp/t
183 kW/t
4.1 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 S8 (D4) Facelift 2013 4.0 TFSI COD V8 plusRolls-Royce Ghost I Facelift 2014 6.6 V12
Consumption10 L/100 km23.5 mpg US28.2 mpg UK14.6 L/100 km16.1 mpg US19.3 mpg UK
Cost / 100 km17.50 LC100 km25.55 LC100 km
Cost / 100 mi28.16 LC100 mi41.12 LC100 mi
Annual fuel used1,500 L396 US gal330 UK gal2,190 L579 US gal482 UK gal
Annual fuel cost2,625 LC/year3,833 LC/year

Head-to-head comparisons

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Is 500 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 40 km/h (25 mph) higher top speed
  • Uses 4.6 L/100 km less fuel
  • Has 58 hp/t better power-to-weight
  • Has 258 km (161 mi) more estimated range
  • Has 30 L more trunk volume
  • Emits 102 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power

Rolls-Royce Ghost I Facelift 2014 6.6 V12

  • Has 7 hp more
  • Has 90 Nm more

Pros

  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S8 (D4) 4.0 TFSI COD V8 plus
Rolls-Royce Ghost I 6.6 V12
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2 vehicles selected

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