Car comparison

Mercedes-Benz S-class (W221) S 500vsBentley Arnage R 6.7 i V8 16V

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

New comparison

Mercedes-Benz S-class (W221)

S 500

388 hp5461 ccGasolineAWDAutomaticNaturally aspiratedSedan2005-2009
VS

Bentley Arnage R

6.7 i V8 16V

405 hp6750 ccGasolineRWDAutomaticTurbochargedSedan2002-2005

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/h
    5.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,935 kg
    4,266 lb
  • Best power-to-weight
    201 hp/t
    150 kW/t
    5.0 kg/hp
  • Lowest combined fuel consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest city consumption
    18.2 L/100 km
    12.9 mpg US
    15.5 mpg UK
  • Lowest highway consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Best estimated range
    732 km
    455 mi
  • Largest trunk
    560 L
  • Best overall score
    74/100
  • Best performance score
    72/100
  • Best economy score
    74/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)S 500BentleyArnage R6.7 i V8 16V
Power
388hp289kW
405hp302kW
Torque
530Nm391lb-ft
835Nm616lb-ft
Curb weight
1,935kg4,266lb
2,585kg5,699lb
Gross weight
2,620kg5,776lb
2,970kg6,548lb
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
74.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.4s
6.3s
0-200 km/h
16.1s
Calculated
20.6s
Calculated
0-60 mph
5.2s
Calculated
6.0s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg UK
20.6L/100 km11.4mpg US13.7mpg 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
14.3s
Calculated
Power-to-weight
201hp/t150kW/t91hp/1000 lb
Calculated
157hp/t117kW/t71hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
323Nm/t216lb-ft/ton
Calculated
Estimated range
732km455mi
Calculated
485km302mi
Calculated
Displacement
5,461cc333cu in
6,750cc412cu in
Length
5,079mm200in
5,390mm212in
Width
1,872mm74in
1,932mm76in
Height
1,473mm58in
1,515mm60in
Wheelbase
3,035mm119in
3,116mm123in
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 16VPowerTorque
  • Mercedes-Benz S-class (W221) S 500: Power / Torque
  • Bentley Arnage R 6.7 i V8 16V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)S 5006,000 rpm2,800-4,800 rpm6,250 rpm
BentleyArnage R6.7 i V8 16V4,000 rpm3,250 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)S 500BentleyArnage R6.7 i V8 16V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
6.0 s
0-100 km/h
0-62 mph
5.4 s
6.3 s
0-200 km/h
0-124 mph
16.1 s
20.6 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
2.5 s
330 ft
101 m
6.1 s
6.4 s
1/8 mile
201 m
8.9 s
9.5 s
1000 ft
305 m
11.3 s
12.1 s
1/4 mile
402 m
13.3 s
14.3 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
168 km/h
104 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
388 hp
289 kW
BentleyArnage R6.7 i V8 16V
405 hp
302 kW

Bentley Arnage R 6.7 i V8 16V 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: 17 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
530 Nm
391 lb-ft
BentleyArnage R6.7 i V8 16V
835 Nm
616 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
1,935 kg
4,266 lb
BentleyArnage R6.7 i V8 16V
2,585 kg
5,699 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BentleyArnage R6.7 i V8 16V
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
Mercedes-BenzS-class (W221)S 5005.4 s
BentleyArnage R6.7 i V8 16V6.3 s

Although Bentley Arnage R 6.7 i V8 16V 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: 0.9 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
BentleyArnage R6.7 i V8 16V
20.6 L/100 km
11.4 mpg US
13.7 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W221) S 500 and Bentley Arnage R 6.7 i V8 16V: 8.3 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
Mercedes-BenzS-class (W221)S 500
201 hp/t
150 kW/t
5.0 kg/hp
BentleyArnage R6.7 i V8 16V
157 hp/t
117 kW/t
6.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)S 500
732 km
455 mi
BentleyArnage R6.7 i V8 16V
485 km
302 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop 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
405 hp
302 kW
6.3 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
Mercedes-BenzS-class (W221)S 500
Power
388 hp
289 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,079 mm
200.0 in
Height
1,473 mm
58.0 in
BentleyArnage R6.7 i V8 16V
Power
405 hp
302 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
374 L
13.2 cu ft
Length
5,390 mm
212.2 in
Height
1,515 mm
59.6 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
Mercedes-BenzS-class (W221)S 500
Power
388 hp
289 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
BentleyArnage R6.7 i V8 16V
Power
405 hp
302 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
20.6 L/100 km
11.4 mpg US
13.7 mpg UK

Mercedes-Benz S-class (W221) S 500 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
Mercedes-BenzS-class (W221)S 500
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.4 s
BentleyArnage R6.7 i V8 16V
20.6 L/100 km
11.4 mpg US
13.7 mpg UK
6.3 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
Mercedes-BenzS-class (W221)S 500
201 hp/t
150 kW/t
5.0 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
BentleyArnage R6.7 i V8 16V
157 hp/t
117 kW/t
6.4 kg/hp
20.6 L/100 km
11.4 mpg US
13.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)S 500BentleyArnage R6.7 i V8 16V
Power
388 hp
289 kW
405 hp
302 kW
Torque
530 Nm
391 lb-ft
835 Nm
616 lb-ft
Acceleration
5.4 s
6.3 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
2,585 kg
5,699 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
20.6 L/100 km
11.4 mpg US
13.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,079 mm
200.0 in
Height
1,473 mm
58.0 in
Doors/seats
4 doors
5 seats
Trunk
374 L
13.2 cu ft
Length
5,390 mm
212.2 in
Height
1,515 mm
59.6 in
Range score
732 km
455 mi
485 km
302 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
157 hp/t
117 kW/t
6.4 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
VehicleMercedes-Benz S-class (W221) S 500Bentley Arnage R 6.7 i V8 16V
Consumption12.3 L/100 km19.1 mpg US23 mpg UK20.6 L/100 km11.4 mpg US13.7 mpg UK
Cost / 100 km21.53 LC100 km36.05 LC100 km
Cost / 100 mi34.64 LC100 mi58.02 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal3,090 L816 US gal680 UK gal
Annual fuel cost3,229 LC/year5,408 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) S 500

  • Is 650 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Uses 8.3 L/100 km less fuel
  • Has 44 hp/t better power-to-weight
  • Has 246 km (153 mi) more estimated range
  • Has 186 L more trunk volume

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

Bentley Arnage R 6.7 i V8 16V

  • Has 17 hp more
  • Has 305 Nm more

Pros

  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W221) S 500
Bentley Arnage R 6.7 i V8 16V
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