Car comparison

Mercedes-Benz S-class (W221) · Facelift 2009 S 500 BlueEFFICIENCYvsMercedes-Benz S-class Cabriolet (A217) S 500 V8

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

New comparison

Mercedes-Benz S-class (W221) · Facelift 2009

S 500 BlueEFFICIENCY

435 hp4663 ccGasolineRWDAutomaticTwin-turboSedan2011-2013
VS

Mercedes-Benz S-class Cabriolet (A217)

S 500 V8

456 hp4663 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2015-2017

Comparison overview

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

Best choices

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,935 kg
    4,266 lb
  • Best power-to-weight
    225 hp/t
    168 kW/t
    4.4 kg/hp
  • Lowest highway consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Largest trunk
    560 L
  • Best overall score
    79/100
  • Best performance score
    80/100
  • Best practicality score
    78/100

Mercedes-Benz S-class Cabriolet (A217) S 500 V8

  • Quickest 0-100 km/h
    4.6 s
  • Most powerful
    456 hp
    340 kW
  • Lowest combined fuel consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Lowest city consumption
    12.2 L/100 km
    19.3 mpg US
    23.2 mpg UK
  • Lowest CO2 emissions
    212 g/km
  • Best estimated range
    879 km
    546 mi
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class Cabriolet (A217)S 500 V8
Power
435hp324kW
456hp340kW
Torque
700Nm516lb-ft
700Nm516lb-ft
Curb weight
1,935kg4,266lb
2,040kg4,497lb
Gross weight
2,615kg5,765lb
2,590kg5,710lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
47.6s99% target: 262 km/h / 163 mph
Calculated
64.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.0s
4.6s
0-200 km/h
14.7s
Calculated
16.9s
Calculated
0-60 mph
4.8s
Calculated
4.4s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption city
13.4L/100 km17.6mpg US21.1mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
12.9s
Calculated
12.8s
Calculated
Power-to-weight
225hp/t168kW/t102hp/1000 lb
Calculated
224hp/t167kW/t101hp/1000 lb
Calculated
Torque-to-weight
362Nm/t242lb-ft/ton
Calculated
343Nm/t230lb-ft/ton
Calculated
Estimated range
865km537mi
Calculated
879km546mi
Calculated
Displacement
4,663cc285cu in
4,663cc285cu in
Length
5,096mm201in
5,027mm198in
Width
1,871mm74in
1,899mm75in
Height
1,479mm58in
1,417mm56in
Wheelbase
3,035mm119in
2,945mm116in
Front track
1,600mm63in
1,625mm64in
Rear track
1,606mm63in
1,649mm65in
Trunk volume
560L
350L
Doors
4
2
Seats
5
4
Fuel tank
83L
80L
CO2 emissions
224g/km
212g/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) Facelift 2009 S 500 BlueEFFICIENCYMercedes-Benz S-class Cabriolet (A217) S 500 V8PowerTorque
  • Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: Power / Torque
  • Mercedes-Benz S-class Cabriolet (A217) S 500 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY5,250 rpm1,800-3,500 rpm5,500 rpm
Mercedes-BenzS-class Cabriolet (A217)S 500 V85,250-5,500 rpm1,800-3,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class Cabriolet (A217)S 500 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
4.4 s
0-100 km/h
0-62 mph
5.0 s
4.6 s
0-200 km/h
0-124 mph
14.7 s
16.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.1 s
330 ft
101 m
5.9 s
5.5 s
1/8 mile
201 m
8.6 s
8.3 s
1000 ft
305 m
11.0 s
10.7 s
1/4 mile
402 m
12.9 s
12.8 s
Trap speed
1/4 mile
402 m
188 km/h
117 mph
178 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
456 hp
340 kW

Mercedes-Benz S-class Cabriolet (A217) S 500 V8 has 21 hp more than Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY.

The biggest power difference is between Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY and Mercedes-Benz S-class Cabriolet (A217) S 500 V8: 21 hp (16 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
700 Nm
516 lb-ft
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
1,935 kg
4,266 lb
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
2,040 kg
4,497 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)Facelift 2009S 500 BlueEFFICIENCY
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
Unrestricted
260 km/h162 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)Facelift 2009S 500 BlueEFFICIENCY5.0 s
Mercedes-BenzS-class Cabriolet (A217)S 500 V84.6 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Cabriolet (A217) S 500 V8 and Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: 0.4 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)Facelift 2009S 500 BlueEFFICIENCY
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class Cabriolet (A217) S 500 V8 and Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY: 0.5 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)Facelift 2009S 500 BlueEFFICIENCY
225 hp/t
168 kW/t
4.4 kg/hp
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
224 hp/t
167 kW/t
4.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
865 km
537 mi
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
879 km
546 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCY
435 hp
324 kW
5.0 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
456 hp
340 kW
4.6 s
Unrestricted
260 km/h162 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)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 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
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
Power
456 hp
340 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
350 L
12.4 cu ft
Length
5,027 mm
197.9 in
Height
1,417 mm
55.8 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)Facelift 2009S 500 BlueEFFICIENCY
Power
435 hp
324 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
Power
456 hp
340 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Mercedes-Benz S-class Cabriolet (A217) S 500 V8 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)Facelift 2009S 500 BlueEFFICIENCY
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
5.0 s
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
4.6 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)Facelift 2009S 500 BlueEFFICIENCY
225 hp/t
168 kW/t
4.4 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
224 hp/t
167 kW/t
4.5 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)Facelift 2009S 500 BlueEFFICIENCYMercedes-BenzS-class Cabriolet (A217)S 500 V8
Power
435 hp
324 kW
456 hp
340 kW
Torque
700 Nm
516 lb-ft
700 Nm
516 lb-ft
Acceleration
5.0 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,935 kg
4,266 lb
2,040 kg
4,497 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
560 L
19.8 cu ft
Length
5,096 mm
200.6 in
Height
1,479 mm
58.2 in
Doors/seats
2 doors
4 seats
Trunk
350 L
12.4 cu ft
Length
5,027 mm
197.9 in
Height
1,417 mm
55.8 in
Range score
865 km
537 mi
879 km
546 mi
CO2 score
224 g/km
212 g/km
Trunk score
560 L
19.8 cu ft
350 L
12.4 cu ft
Power-to-weight score
225 hp/t
168 kW/t
4.4 kg/hp
224 hp/t
167 kW/t
4.5 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) Facelift 2009 S 500 BlueEFFICIENCYMercedes-Benz S-class Cabriolet (A217) S 500 V8
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km16.80 LC100 km15.92 LC100 km
Cost / 100 mi27.04 LC100 mi25.63 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost2,520 LC/year2,389 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) Facelift 2009 S 500 BlueEFFICIENCY

  • Is 105 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Has 1 hp/t better power-to-weight
  • Has 210 L more trunk volume

Pros

  • Highest top speed
  • Highest torque
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Highest CO2 emissions

Mercedes-Benz S-class Cabriolet (A217) S 500 V8

  • Has 21 hp more
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 15 km (9 mi) more estimated range
  • Emits 12 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W221) S 500 BlueEFFICIENCY
Mercedes-Benz S-class Cabriolet (A217) S 500 V8
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