Car comparison

Mercedes-Benz S-class (W221) · Facelift 2009 AMG S 63 V8vsMercedes-Benz S-class Cabriolet (A217) · Facelift 2017 AMG S 65

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

New comparison

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

AMG S 63 V8

544 hp5461 ccGasolineRWDAutomaticTwin-turboSedan2010-2013
VS

Mercedes-Benz S-class Cabriolet (A217) · Facelift 2017

AMG S 65

630 hp5980 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2017-2019

Comparison overview

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

Best choices

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    2,045 kg
    4,508 lb
  • Lowest combined fuel consumption
    10.5 L/100 km
    22.4 mpg US
    26.9 mpg UK
  • Lowest city consumption
    14.4 L/100 km
    16.3 mpg US
    19.6 mpg UK
  • Lowest highway consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    857 km
    533 mi
  • Largest trunk
    560 L
  • Best overall score
    83/100
  • Best performance score
    85/100
  • Best economy score
    79/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
Power
544hp406kW
630hp470kW
Torque
800Nm590lb-ft
1,000Nm738lb-ft
Curb weight
2,045kg4,508lb
2,180kg4,806lb
Gross weight
2,670kg5,886lb
2,625kg5,787lb
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
40.8s99% target: 262 km/h / 163 mph
Calculated
52.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.5s
4.1s
0-200 km/h
12.9s
Calculated
14.3s
Calculated
0-60 mph
4.3s
Calculated
3.9s
Calculated
Fuel consumption
10.5L/100 km22.4mpg US26.9mpg UK
12L/100 km19.6mpg US23.5mpg UK
Fuel consumption city
14.4L/100 km16.3mpg US19.6mpg UK
17.1L/100 km13.8mpg US16.5mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
12.3s
Calculated
12.2s
Calculated
Power-to-weight
266hp/t198kW/t121hp/1000 lb
Calculated
289hp/t216kW/t131hp/1000 lb
Calculated
Torque-to-weight
391Nm/t262lb-ft/ton
Calculated
459Nm/t307lb-ft/ton
Calculated
Estimated range
857km533mi
Calculated
667km414mi
Calculated
Displacement
5,461cc333cu in
5,980cc365cu in
Length
5,096mm201in
5,051mm199in
Width
1,871mm74in
-
Height
1,479mm58in
-
Wheelbase
3,035mm119in
2,945mm116in
Front track
1,600mm63in
1,635mm64in
Rear track
1,606mm63in
1,645mm65in
Trunk volume
560L
350L
Doors
4
2
Seats
5
4
Fuel tank
90L
80L
CO2 emissions-
272g/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 AMG S 63 V8Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65PowerTorque
  • Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8: Power / Torque
  • Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V85,250-5,750 rpm2,000-4,500 rpm6,000 rpm
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 654,800-5,400 rpm2,300-4,300 rpm5,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
3.9 s
0-100 km/h
0-62 mph
4.5 s
4.1 s
0-200 km/h
0-124 mph
12.9 s
14.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.0 s
330 ft
101 m
5.6 s
5.3 s
1/8 mile
201 m
8.2 s
7.9 s
1000 ft
305 m
10.5 s
10.2 s
1/4 mile
402 m
12.3 s
12.2 s
Trap speed
1/4 mile
402 m
196 km/h
122 mph
187 km/h
116 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
544 hp
406 kW
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
630 hp
470 kW

Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65 has 86 hp more than Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8.

The biggest power difference is between Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8 and Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65: 86 hp (64 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
800 Nm
590 lb-ft
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
1,000 Nm
738 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 2009AMG S 63 V8
2,045 kg
4,508 lb
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
2,180 kg
4,806 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 2009AMG S 63 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
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 2009AMG S 63 V84.5 s
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 654.1 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65 and Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8: 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 2009AMG S 63 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
12.0 L/100 km
19.6 mpg US
23.5 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8 and Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65: 1.5 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 2009AMG S 63 V8
266 hp/t
198 kW/t
3.8 kg/hp
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
289 hp/t
216 kW/t
3.5 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 2009AMG S 63 V8
857 km
533 mi
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
667 km
414 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8
544 hp
406 kW
4.5 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
630 hp
470 kW
4.1 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 2009AMG S 63 V8
Power
544 hp
406 kW
0-100 km/h4.5 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)Facelift 2017AMG S 65
Power
630 hp
470 kW
0-100 km/h4.1 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
5,051 mm
198.9 in
Height-

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 2009AMG S 63 V8
Power
544 hp
406 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
Power
630 hp
470 kW
0-100 km/h4.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.0 L/100 km
19.6 mpg US
23.5 mpg UK

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 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 2009AMG S 63 V8
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
4.5 s
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
4.1 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 2009AMG S 63 V8
266 hp/t
198 kW/t
3.8 kg/hp
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
289 hp/t
216 kW/t
3.5 kg/hp
12.0 L/100 km
19.6 mpg US
23.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65
Power
544 hp
406 kW
630 hp
470 kW
Torque
800 Nm
590 lb-ft
1,000 Nm
738 lb-ft
Acceleration
4.5 s
4.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,045 kg
4,508 lb
2,180 kg
4,806 lb
Fuel consumption
10.5 L/100 km
22.4 mpg US
26.9 mpg UK
12.0 L/100 km
19.6 mpg US
23.5 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
5,051 mm
198.9 in
Height-
Range score
857 km
533 mi
667 km
414 mi
CO2 score
-
272 g/km
Trunk score
560 L
19.8 cu ft
350 L
12.4 cu ft
Power-to-weight score
266 hp/t
198 kW/t
3.8 kg/hp
289 hp/t
216 kW/t
3.5 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 AMG S 63 V8Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65
Consumption10.5 L/100 km22.4 mpg US26.9 mpg UK12 L/100 km19.6 mpg US23.5 mpg UK
Cost / 100 km18.38 LC100 km21.00 LC100 km
Cost / 100 mi29.57 LC100 mi33.80 LC100 mi
Annual fuel used1,575 L416 US gal346 UK gal1,800 L476 US gal396 UK gal
Annual fuel cost2,756 LC/year3,150 LC/year

Head-to-head comparisons

Mercedes-Benz S-class (W221) Facelift 2009 AMG S 63 V8

  • Is 135 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 190 km (118 mi) more estimated range
  • Has 210 L more trunk volume

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Mercedes-Benz S-class Cabriolet (A217) Facelift 2017 AMG S 65

  • Has 86 hp more
  • Has 200 Nm more
  • Is 0.4 s quicker from 0-100 km/h
  • Has 23 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class (W221) AMG S 63 V8
Mercedes-Benz S-class Cabriolet (A217) AMG S 65
Compare selected cars
2 vehicles selected

Popular comparisons

AMG S 63 V8
AMG S 63 V8
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzS-class (W221)AMG S 63 V8
AMG S 65
AMG S 65 V12
VS
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65vsMercedes-BenzS-class Cabriolet (A217)AMG S 65 V12
AMG S 63 V8
S 600 V12
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzMaybach S-class (X222)S 600 V12
AMG S 65
AMG S 65
VS
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65vsMercedes-BenzS-class Coupe (C217)Facelift 2017AMG S 65
AMG S 63 V8
S 500
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzS-class (W222)S 500
AMG S 65
AMG S 65 V12
VS
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65vsMercedes-BenzS-class Coupe (C217)AMG S 65 V12
AMG S 63 V8
AMG S 55 V8
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzS-class (W220)Facelift 2002AMG S 55 V8
AMG S 65
S 680 V12
VS
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65vsMercedes-BenzMaybach S-class (Z223)S 680 V12
AMG S 63 V8
S 560 V8
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzS-class (W222)Facelift 2017S 560 V8
AMG S 63 V8
S 560 V8
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzMaybach S-class (X222)Facelift 2017S 560 V8
AMG S 63 V8
S 580 V8
VS
Mercedes-BenzS-class (W221)Facelift 2009AMG S 63 V8vsMercedes-BenzS-class (W223)Facelift 2026S 580 V8
AMG S 65
S 680 V8
VS
Mercedes-BenzS-class Cabriolet (A217)Facelift 2017AMG S 65vsMercedes-BenzMaybach S-class (Z223)Facelift 2026S 680 V8
Mercedes-Benz S-class (W221) · Facelift 2009 AMG S 63 V8 vs Mercedes-Benz S-class Cabriolet (A217) · Facelift 2017 AMG S 65 - car comparison - FastVsFaster