Mercedes-Benz S-class (W221)
S 500
388 hp5461 ccGasolineAWDAutomaticNaturally aspiratedSedan2005-2009
Car comparison
Mercedes-Benz S-class (W221) S 500vsBentley Arnage R 6.7 i V8 16V RL
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonVS
Bentley Arnage R
6.7 i V8 16V RL
405 hp6750 ccGasolineRWDAutomaticTurbochargedSedan2003-2005
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
Mercedes-Benz S-class (W221) S 500
- Quickest 0-100 km/h5.4 s
- Fastest top speed265 km/h165 mph Unrestricted250 km/h155 mph Restricted
- Lightest1,935 kg4,266 lb
- Best power-to-weight201 hp/t150 kW/t5.0 kg/hp
- Lowest city consumption18.2 L/100 km12.9 mpg US15.5 mpg UK
- Lowest highway consumption9.0 L/100 km26.1 mpg US31.4 mpg UK
- Largest trunk560 L
- Best overall score74/100
- Best performance score72/100
- Best economy score74/100
- Best practicality score78/100
Bentley Arnage R 6.7 i V8 16V RL
- Most powerful405 hp302 kW
- Highest torque835 Nm616 lb-ft
Specification comparison
| Model | Mercedes-BenzS-class (W221)S 500 | BentleyArnage R6.7 i V8 16V RL |
|---|---|---|
| Power | 388hp289kW | 405hp302kW |
| Torque | 530Nm391lb-ft | 835Nm616lb-ft |
| Curb weight | 1,935kg4,266lb | 2,655kg5,853lb |
| Gross weight | 2,620kg5,776lb | 3,040kg6,702lb |
| 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 | 53.2s99% target: 262 km/h / 163 mph Calculated | 84.2s99% target: 262 km/h / 163 mph Calculated |
| 0-100 km/h | 5.4s | 7.0s |
| 0-200 km/h | 16.1s Calculated | 23.0s Calculated |
| 0-60 mph | 5.2s Calculated | 6.7s Calculated |
| Fuel consumption | 12.3L/100 km19.1mpg US23.0mpg UK | - |
| Fuel consumption city | 18.2L/100 km12.9mpg US15.5mpg UK | 30.7L/100 km7.7mpg US9.2mpg UK |
| Fuel consumption highway | 9L/100 km26.1mpg US31.4mpg UK | 14.8L/100 km15.9mpg US19.1mpg UK |
| Quarter mile | 13.3s Calculated | 14.9s Calculated |
| Power-to-weight | 201hp/t150kW/t91hp/1000 lb Calculated | 153hp/t114kW/t69hp/1000 lb Calculated |
| Torque-to-weight | 274Nm/t183lb-ft/ton Calculated | 315Nm/t210lb-ft/ton Calculated |
| Estimated range | 732km455mi Calculated | - |
| Displacement | 5,461cc333cu in | 6,750cc412cu in |
| Length | 5,079mm200in | 5,640mm222in |
| Width | 1,872mm74in | 1,932mm76in |
| Height | 1,473mm58in | 1,515mm60in |
| Wheelbase | 3,035mm119in | 3,366mm133in |
| Front track | 1,604mm63in | 1,602mm63in |
| Rear track | 1,606mm63in | 1,602mm63in |
| Trunk volume | 560L | 374L |
| Doors | 4 | 4 |
| Seats | 5 | 5 |
| Fuel tank | 90L | 100L |
| CO2 emissions | 294g/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.
Mercedes-Benz S-class (W221) S 500Bentley Arnage R 6.7 i V8 16V RLPowerTorque
- Mercedes-Benz S-class (W221) S 500: Power / Torque
- Bentley Arnage R 6.7 i V8 16V RL: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 6,000 rpm | 2,800-4,800 rpm | 6,250 rpm |
| BentleyArnage R6.7 i V8 16V RL | 4,000 rpm | 3,250 rpm | 4,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | Mercedes-BenzS-class (W221)S 500 | BentleyArnage R6.7 i V8 16V RL |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 5.2 s | 6.7 s |
0-100 km/h 0-62 mph | 5.4 s | 7.0 s |
0-200 km/h 0-124 mph | 16.1 s | 23.0 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 | 2.5 s | 2.6 s |
330 ft 101 m | 6.1 s | 6.7 s |
1/8 mile 201 m | 8.9 s | 9.9 s |
1000 ft 305 m | 11.3 s | 12.6 s |
1/4 mile 402 m | 13.3 s | 14.9 s |
Trap speed 1/4 mile 402 m | 182 km/h 113 mph | 162 km/h 101 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW |
| BentleyArnage R6.7 i V8 16V RL | 405 hp 302 kW |
Bentley Arnage R 6.7 i V8 16V RL has 17 hp more than Mercedes-Benz S-class (W221) S 500.
The biggest power difference is between Mercedes-Benz S-class (W221) S 500 and Bentley Arnage R 6.7 i V8 16V RL: 17 hp (13 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 530 Nm 391 lb-ft |
| BentleyArnage R6.7 i V8 16V RL | 835 Nm 616 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 1,935 kg 4,266 lb |
| BentleyArnage R6.7 i V8 16V RL | 2,655 kg 5,853 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| BentleyArnage R6.7 i V8 16V RL | 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 |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 5.4 s |
| BentleyArnage R6.7 i V8 16V RL | 7.0 s |
Although Bentley Arnage R 6.7 i V8 16V RL has more power, Mercedes-Benz S-class (W221) S 500 is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between Mercedes-Benz S-class (W221) S 500 and Bentley Arnage R 6.7 i V8 16V RL: 1.6 s.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| Mercedes-BenzS-class (W221)S 500 | 201 hp/t 150 kW/t 5.0 kg/hp |
| BentleyArnage R6.7 i V8 16V RL | 153 hp/t 114 kW/t 6.6 kg/hp |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 | 388 hp 289 kW | 5.4 s | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph |
| BentleyArnage R6.7 i V8 16V RL | 405 hp 302 kW | 7.0 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 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mercedes-BenzS-class (W221)S 500 |
|
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| BentleyArnage R6.7 i V8 16V RL |
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Detailed score breakdown
| Vehicle | Mercedes-BenzS-class (W221)S 500 | BentleyArnage R6.7 i V8 16V RL | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 388 hp 289 kW | 405 hp 302 kW | ||||||||||||||||
| Torque | 530 Nm 391 lb-ft | 835 Nm 616 lb-ft | ||||||||||||||||
| Acceleration | 5.4 s | 7.0 s | ||||||||||||||||
| Top speed | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph | ||||||||||||||||
| Lightness | 1,935 kg 4,266 lb | 2,655 kg 5,853 lb | ||||||||||||||||
| Fuel consumption | 12.3 L/100 km 19.1 mpg US 23.0 mpg UK | - | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 732 km 455 mi | - | ||||||||||||||||
| CO2 score | 294 g/km | - | ||||||||||||||||
| Trunk score | 560 L 19.8 cu ft | 374 L 13.2 cu ft | ||||||||||||||||
| Power-to-weight score | 201 hp/t 150 kW/t 5.0 kg/hp | 153 hp/t 114 kW/t 6.6 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 | Mercedes-Benz S-class (W221) S 500 |
|---|---|
| Consumption | 12.3 L/100 km19.1 mpg US23 mpg UK |
| Cost / 100 km | 21.53 LC100 km |
| Cost / 100 mi | 34.64 LC100 mi |
| Annual fuel used | 1,845 L487 US gal406 UK gal |
| Annual fuel cost | 3,229 LC/year |
Head-to-head comparisons
Mercedes-Benz S-class (W221) S 500
- Is 720 kg lighter
- Is 1.6 s quicker from 0-100 km/h
- Has 48 hp/t better power-to-weight
- Has 186 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Lightest
- Best power-to-weight ratio
- Largest trunk
Cons
- Lowest power
Bentley Arnage R 6.7 i V8 16V RL
- Has 17 hp more
- Has 305 Nm more
Pros
- Most powerful
- Highest torque
Cons
- Slowest 0-100 km/h
- Heaviest
- Smallest trunk
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Mercedes-Benz S-class (W221) S 500
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