AUDI S8 (D4)
Car comparison
AUDI S8 (D4) 4.0 TFSI V8vsRolls-Royce Ghost I 6.6 V12 48V
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonRolls-Royce Ghost I
6.6 V12 48V
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
AUDI S8 (D4) 4.0 TFSI V8
- Quickest 0-100 km/h4.2 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Lightest1,975 kg4,354 lb
- Best power-to-weight263 hp/t196 kW/t3.8 kg/hp
- Best overall score81/100
- Best performance score83/100
- Best economy score80/100
Rolls-Royce Ghost I 6.6 V12 48V
- Most powerful570 hp425 kW
- Highest torque780 Nm575 lb-ft
- Best practicality score80/100
Specification comparison
| Model | AUDIS8 (D4)4.0 TFSI V8 | Rolls-RoyceGhost I6.6 V12 48V |
|---|---|---|
| Power | 520hp388kW | 570hp425kW |
| Torque | 650Nm479lb-ft | 780Nm575lb-ft |
| Curb weight | 1,975kg4,354lb | 2,360kg5,203lb |
| Gross weight | 2,575kg5,677lb | - |
| 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 | 39.4s99% target: 262 km/h / 163 mph Calculated | 53.2s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 4.2s | 4.9s |
| 0-200 km/h | 12.3s Calculated | 15.3s Calculated |
| 0-60 mph | 4.0s Calculated | 4.7s Calculated |
| Fuel consumption | 10.1L/100 km23.3mpg US28.0mpg UK | - |
| Fuel consumption city | 14.4L/100 km16.3mpg US19.6mpg UK | - |
| Fuel consumption highway | 7.6L/100 km30.9mpg US37.2mpg UK | - |
| Quarter mile | 12.0s Calculated | 12.9s Calculated |
| Power-to-weight | 263hp/t196kW/t119hp/1000 lb Calculated | 242hp/t180kW/t110hp/1000 lb Calculated |
| Torque-to-weight | 329Nm/t220lb-ft/ton Calculated | 331Nm/t221lb-ft/ton Calculated |
| Estimated range | 891km554mi Calculated | - |
| Displacement | 3,993cc244cu in | 6,600cc403cu in |
| Length | 5,146mm203in | 5,399mm213in |
| Width | 1,949mm77in | 1,948mm77in |
| Height | 1,458mm57in | 1,550mm61in |
| Wheelbase | 2,994mm118in | 3,295mm130in |
| Front track | 1,632mm64in | - |
| Rear track | 1,623mm64in | - |
| Trunk volume | 520L | - |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 90L | - |
| CO2 emissions | 235g/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) 4.0 TFSI V8: Power / Torque
- Rolls-Royce Ghost I 6.6 V12 48V: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 6,000 rpm | 1,700-5,500 rpm | 6,250 rpm |
| Rolls-RoyceGhost I6.6 V12 48V | 5,250-6,000 rpm | - | 6,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | AUDIS8 (D4)4.0 TFSI V8 | Rolls-RoyceGhost I6.6 V12 48V |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 4.0 s | 4.7 s |
0-100 km/h 0-62 mph | 4.2 s | 4.9 s |
0-200 km/h 0-124 mph | 12.3 s | 15.3 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 | 2.2 s | 2.3 s |
330 ft 101 m | 5.4 s | 5.8 s |
1/8 mile 201 m | 8.0 s | 8.5 s |
1000 ft 305 m | 10.2 s | 10.9 s |
1/4 mile 402 m | 12.0 s | 12.9 s |
Trap speed 1/4 mile 402 m | 198 km/h 123 mph | 184 km/h 115 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 520 hp 388 kW |
| Rolls-RoyceGhost I6.6 V12 48V | 570 hp 425 kW |
Rolls-Royce Ghost I 6.6 V12 48V has 50 hp more than AUDI S8 (D4) 4.0 TFSI V8.
The biggest power difference is between AUDI S8 (D4) 4.0 TFSI V8 and Rolls-Royce Ghost I 6.6 V12 48V: 50 hp (37 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 650 Nm 479 lb-ft |
| Rolls-RoyceGhost I6.6 V12 48V | 780 Nm 575 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 1,975 kg 4,354 lb |
| Rolls-RoyceGhost I6.6 V12 48V | 2,360 kg 5,203 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Rolls-RoyceGhost I6.6 V12 48V | 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
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 4.2 s |
| Rolls-RoyceGhost I6.6 V12 48V | 4.9 s |
Although Rolls-Royce Ghost I 6.6 V12 48V has more power, AUDI S8 (D4) 4.0 TFSI V8 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between AUDI S8 (D4) 4.0 TFSI V8 and Rolls-Royce Ghost I 6.6 V12 48V: 0.7 s.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 263 hp/t 196 kW/t 3.8 kg/hp |
| Rolls-RoyceGhost I6.6 V12 48V | 242 hp/t 180 kW/t 4.1 kg/hp |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| AUDIS8 (D4)4.0 TFSI V8 | 520 hp 388 kW | 4.2 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| Rolls-RoyceGhost I6.6 V12 48V | 570 hp 425 kW | 4.9 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.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AUDIS8 (D4)4.0 TFSI V8 |
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| Rolls-RoyceGhost I6.6 V12 48V |
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Detailed score breakdown
| Vehicle | AUDIS8 (D4)4.0 TFSI V8 | Rolls-RoyceGhost I6.6 V12 48V | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 520 hp 388 kW | 570 hp 425 kW | ||||||||||||||||
| Torque | 650 Nm 479 lb-ft | 780 Nm 575 lb-ft | ||||||||||||||||
| Acceleration | 4.2 s | 4.9 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,975 kg 4,354 lb | 2,360 kg 5,203 lb | ||||||||||||||||
| Fuel consumption | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | - | ||||||||||||||||
| Practicality |
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| Range score | 891 km 554 mi | - | ||||||||||||||||
| CO2 score | 235 g/km | - | ||||||||||||||||
| Trunk score | 520 L 18.4 cu ft | - | ||||||||||||||||
| Power-to-weight score | 263 hp/t 196 kW/t 3.8 kg/hp | 242 hp/t 180 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
| Vehicle | AUDI S8 (D4) 4.0 TFSI V8 |
|---|---|
| Consumption | 10.1 L/100 km23.3 mpg US28 mpg UK |
| Cost / 100 km | 17.68 LC100 km |
| Cost / 100 mi | 28.45 LC100 mi |
| Annual fuel used | 1,515 L400 US gal333 UK gal |
| Annual fuel cost | 2,651 LC/year |
Head-to-head comparisons
AUDI S8 (D4) 4.0 TFSI V8
- Is 385 kg lighter
- Is 0.7 s quicker from 0-100 km/h
- Has 22 hp/t better power-to-weight
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Lightest
- Best power-to-weight ratio
Cons
- Lowest power
Rolls-Royce Ghost I 6.6 V12 48V
- Has 50 hp more
- Has 130 Nm more
Pros
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Heaviest
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