Car comparison

Mercedes-Benz S-class Coupe (C217) S 500vsDavid Brown Speedback GT 5.0 V8

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

New comparison

Mercedes-Benz S-class Coupe (C217)

S 500

455 hp4663 ccGasolineRWDAutomaticTwin-turboCoupe2015-2017
VS

David Brown Speedback GT

5.0 V8

510 hp5000 ccGasolineRWDAutomaticTwin-turboCoupe2014-2017

Comparison overview

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

Best choices

Mercedes-Benz S-class Coupe (C217) S 500

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    8.8 L/100 km
    26.7 mpg US
    32.1 mpg UK
  • Lowest city consumption
    11.7 L/100 km
    20.1 mpg US
    24.1 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest CO2 emissions
    204 g/km
  • Best estimated range
    909 km
    565 mi
  • Largest trunk
    400 L
  • Best overall score
    72/100
  • Best performance score
    81/100
  • Best economy score
    83/100
  • Best practicality score
    52/100

Specification comparison

Specification comparison
ModelMercedes-BenzS-class Coupe (C217)S 500David BrownSpeedback GT5.0 V8
Power
455hp339kW
510hp380kW
Torque
700Nm516lb-ft
625Nm461lb-ft
Curb weight
2,030kg4,475lb
1,920kg4,233lb
Gross weight
2,585kg5,699lb
2,129kg4,694lb
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
63.8s99% target: 262 km/h / 163 mph
Calculated
62.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
4.8s
0-200 km/h
16.2s
Calculated
16.4s
Calculated
0-60 mph
4.4s
Calculated
4.6s
Calculated
Fuel consumption
8.8L/100 km26.7mpg US32.1mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
11.7L/100 km20.1mpg US24.1mpg UK
18.9L/100 km12.4mpg US14.9mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
12.7s
Calculated
12.9s
Calculated
Power-to-weight
224hp/t167kW/t102hp/1000 lb
Calculated
266hp/t198kW/t120hp/1000 lb
Calculated
Torque-to-weight
345Nm/t231lb-ft/ton
Calculated
326Nm/t218lb-ft/ton
Calculated
Estimated range
909km565mi
Calculated
577km359mi
Calculated
Displacement
4,663cc285cu in
5,000cc305cu in
Length
5,027mm198in
4,760mm187in
Width
1,899mm75in
1,860mm73in
Height
1,411mm56in
1,350mm53in
Wheelbase
2,945mm116in
2,750mm108in
Front track
1,625mm64in
-
Rear track
1,649mm65in
-
Trunk volume
400L
243L
Max trunk volume-
502L
Doors
2
2
Seats
4
2
Fuel tank
80L
71L
CO2 emissions
204g/km
292g/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 Coupe (C217) S 500David Brown Speedback GT 5.0 V8PowerTorque
  • Mercedes-Benz S-class Coupe (C217) S 500: Power / Torque
  • David Brown Speedback GT 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzS-class Coupe (C217)S 5005,250-5,500 rpm1,800-3,500 rpm5,750 rpm
David BrownSpeedback GT5.0 V86,000-6,500 rpm2,500-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzS-class Coupe (C217)S 500David BrownSpeedback GT5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.6 s
0-100 km/h
0-62 mph
4.6 s
4.8 s
0-200 km/h
0-124 mph
16.2 s
16.4 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
2.1 s
2.2 s
330 ft
101 m
5.5 s
5.6 s
1/8 mile
201 m
8.3 s
8.5 s
1000 ft
305 m
10.7 s
10.9 s
1/4 mile
402 m
12.7 s
12.9 s
Trap speed
1/4 mile
402 m
180 km/h
112 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 500
455 hp
339 kW
David BrownSpeedback GT5.0 V8
510 hp
380 kW

David Brown Speedback GT 5.0 V8 has 55 hp more than Mercedes-Benz S-class Coupe (C217) S 500.

The biggest power difference is between Mercedes-Benz S-class Coupe (C217) S 500 and David Brown Speedback GT 5.0 V8: 55 hp (41 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 500
700 Nm
516 lb-ft
David BrownSpeedback GT5.0 V8
625 Nm
461 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 500
2,030 kg
4,475 lb
David BrownSpeedback GT5.0 V8
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 Coupe (C217)S 500
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
David BrownSpeedback GT5.0 V8
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 Coupe (C217)S 5004.6 s
David BrownSpeedback GT5.0 V84.8 s

Although David Brown Speedback GT 5.0 V8 has more power, Mercedes-Benz S-class Coupe (C217) S 500 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Mercedes-Benz S-class Coupe (C217) S 500 and David Brown Speedback GT 5.0 V8: 0.2 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 Coupe (C217)S 500
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
David BrownSpeedback GT5.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz S-class Coupe (C217) S 500 and David Brown Speedback GT 5.0 V8: 3.5 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 Coupe (C217)S 500
224 hp/t
167 kW/t
4.5 kg/hp
David BrownSpeedback GT5.0 V8
266 hp/t
198 kW/t
3.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzS-class Coupe (C217)S 500
909 km
565 mi
David BrownSpeedback GT5.0 V8
577 km
359 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzS-class Coupe (C217)S 500
455 hp
339 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
David BrownSpeedback GT5.0 V8
510 hp
380 kW
4.8 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 Coupe (C217)S 500
Power
455 hp
339 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
5,027 mm
197.9 in
Height
1,411 mm
55.6 in
David BrownSpeedback GT5.0 V8
Power
510 hp
380 kW
0-100 km/h4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
243 L
8.6 cu ft
Length
4,760 mm
187.4 in
Height
1,350 mm
53.1 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 Coupe (C217)S 500
Power
455 hp
339 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
David BrownSpeedback GT5.0 V8
Power
510 hp
380 kW
0-100 km/h4.8 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

Mercedes-Benz S-class Coupe (C217) 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 Coupe (C217)S 500
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
4.6 s
David BrownSpeedback GT5.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
4.8 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 Coupe (C217)S 500
224 hp/t
167 kW/t
4.5 kg/hp
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
David BrownSpeedback GT5.0 V8
266 hp/t
198 kW/t
3.8 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzS-class Coupe (C217)S 500David BrownSpeedback GT5.0 V8
Power
455 hp
339 kW
510 hp
380 kW
Torque
700 Nm
516 lb-ft
625 Nm
461 lb-ft
Acceleration
4.6 s
4.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,030 kg
4,475 lb
1,920 kg
4,233 lb
Fuel consumption
8.8 L/100 km
26.7 mpg US
32.1 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
400 L
14.1 cu ft
Length
5,027 mm
197.9 in
Height
1,411 mm
55.6 in
Doors/seats
2 doors
2 seats
Trunk
243 L
8.6 cu ft
Length
4,760 mm
187.4 in
Height
1,350 mm
53.1 in
Range score
909 km
565 mi
577 km
359 mi
CO2 score
204 g/km
292 g/km
Trunk score
400 L
14.1 cu ft
243 L
8.6 cu ft
Power-to-weight score
224 hp/t
167 kW/t
4.5 kg/hp
266 hp/t
198 kW/t
3.8 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 Coupe (C217) S 500David Brown Speedback GT 5.0 V8
Consumption8.8 L/100 km26.7 mpg US32.1 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km15.40 LC100 km21.53 LC100 km
Cost / 100 mi24.78 LC100 mi34.64 LC100 mi
Annual fuel used1,320 L349 US gal290 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,310 LC/year3,229 LC/year

Head-to-head comparisons

Mercedes-Benz S-class Coupe (C217) S 500

  • Has 75 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 3.5 L/100 km less fuel
  • Has 332 km (206 mi) more estimated range
  • Has 157 L more trunk volume
  • Emits 88 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Heaviest

David Brown Speedback GT 5.0 V8

  • Has 55 hp more
  • Is 110 kg lighter
  • Has 41 hp/t better power-to-weight

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

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

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Brand
Model
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Engine or modification
Mercedes-Benz S-class Coupe (C217) S 500
David Brown Speedback GT 5.0 V8
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