Car comparison

Mercedes-Benz S-class Cabriolet (A217) S 500 V8vsAUDI RS5 Cabriolet (8T) · Facelift 2013 4.2 FSI

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

New comparison

Mercedes-Benz S-class Cabriolet (A217)

S 500 V8

456 hp4663 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2015-2017
VS

AUDI RS5 Cabriolet (8T) · Facelift 2013

4.2 FSI

450 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCabriolet / convertible2013-2015

Comparison overview

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

Best choices

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

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    456 hp
    340 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • 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 highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Lowest CO2 emissions
    212 g/km
  • Best estimated range
    879 km
    546 mi
  • Largest trunk
    350 L
  • Best overall score
    70/100
  • Best performance score
    80/100
  • Best economy score
    82/100
  • Best practicality score
    48/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class Cabriolet (A217)S 500 V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
456hp340kW
450hp336kW
Torque
700Nm516lb-ft
430Nm317lb-ft
Curb weight
2,040kg4,497lb
1,920kg4,233lb
Gross weight
2,590kg5,710lb
2,420kg5,335lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
64.9s99% target: 257 km/h / 160 mph
Calculated
65.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.6s
4.9s
0-200 km/h
16.9s
Calculated
17.5s
Calculated
0-60 mph
4.4s
Calculated
4.7s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
12.2L/100 km19.3mpg US23.2mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
8.5L/100 km27.7mpg US33.2mpg UK
Quarter mile
12.8s
Calculated
13.0s
Calculated
Power-to-weight
224hp/t167kW/t101hp/1000 lb
Calculated
234hp/t175kW/t106hp/1000 lb
Calculated
Torque-to-weight
343Nm/t230lb-ft/ton
Calculated
224Nm/t150lb-ft/ton
Calculated
Estimated range
879km546mi
Calculated
570km354mi
Calculated
Displacement
4,663cc285cu in
4,163cc254cu in
Length
5,027mm198in
4,649mm183in
Width
1,899mm75in
1,860mm73in
Height
1,417mm56in
1,380mm54in
Wheelbase
2,945mm116in
2,751mm108in
Front track
1,625mm64in
1,586mm62in
Rear track
1,649mm65in
1,582mm62in
Trunk volume
350L
320L
Max trunk volume-
750L
Doors
2
2
Seats
4
4
Fuel tank
80L
61L
CO2 emissions
212g/km
249g/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 Cabriolet (A217) S 500 V8AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSIPowerTorque
  • Mercedes-Benz S-class Cabriolet (A217) S 500 V8: Power / Torque
  • AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class Cabriolet (A217)S 500 V85,250-5,500 rpm1,800-3,500 rpm5,750 rpm
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI8,250 rpm4,000-6,000 rpm8,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class Cabriolet (A217)S 500 V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.7 s
0-100 km/h
0-62 mph
4.6 s
4.9 s
0-200 km/h
0-124 mph
16.9 s
17.5 s
Top speed
Unrestricted
260 km/h162 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
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.7 s
1/8 mile
201 m
8.3 s
8.5 s
1000 ft
305 m
10.7 s
11.0 s
1/4 mile
402 m
12.8 s
13.0 s
Trap speed
1/4 mile
402 m
178 km/h
111 mph
176 km/h
110 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
456 hp
340 kW
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW

Mercedes-Benz S-class Cabriolet (A217) S 500 V8 has 6 hp more than AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI.

The biggest power difference is between AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI and Mercedes-Benz S-class Cabriolet (A217) S 500 V8: 6 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
700 Nm
516 lb-ft
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
2,040 kg
4,497 lb
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
1,920 kg
4,233 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 Cabriolet (A217)S 500 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
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 Cabriolet (A217)S 500 V84.6 s
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI4.9 s

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Cabriolet (A217) S 500 V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 0.3 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 Cabriolet (A217)S 500 V8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class Cabriolet (A217) S 500 V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 1.6 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 Cabriolet (A217)S 500 V8
224 hp/t
167 kW/t
4.5 kg/hp
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Cabriolet (A217)S 500 V8
879 km
546 mi
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
570 km
354 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW
4.9 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 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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 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 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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.7 L/100 km
22.0 mpg US
26.4 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 Cabriolet (A217)S 500 V8
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
4.6 s
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.9 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 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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class Cabriolet (A217)S 500 V8AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
456 hp
340 kW
450 hp
336 kW
Torque
700 Nm
516 lb-ft
430 Nm
317 lb-ft
Acceleration
4.6 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,040 kg
4,497 lb
1,920 kg
4,233 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 in
Range score
879 km
546 mi
570 km
354 mi
CO2 score
212 g/km
249 g/km
Trunk score
350 L
12.4 cu ft
320 L
11.3 cu ft
Power-to-weight score
224 hp/t
167 kW/t
4.5 kg/hp
234 hp/t
175 kW/t
4.3 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 Cabriolet (A217) S 500 V8AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI
Consumption9.1 L/100 km25.8 mpg US31 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km15.92 LC100 km18.72 LC100 km
Cost / 100 mi25.63 LC100 mi30.13 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost2,389 LC/year2,809 LC/year

Head-to-head comparisons

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

  • Has 6 hp more
  • Has 270 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 1.6 L/100 km less fuel
  • Has 309 km (192 mi) more estimated range
  • Has 30 L more trunk volume
  • Emits 37 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI

  • Is 120 kg lighter
  • Has 11 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz S-class Cabriolet (A217) S 500 V8
AUDI RS5 Cabriolet (8T) 4.2 FSI
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