Car comparison

Lexus RC F 5.0vsDavid Brown Speedback GT 5.0 V8

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

New comparison

Lexus RC

F 5.0

477 hp4969 ccGasolineRWDAutomaticNaturally aspiratedCoupe2014-2018
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

Lexus RC F 5.0

  • Quickest 0-100 km/h
    4.5 s
  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    270 km/h
    168 mph Restricted
  • Lightest
    1,860 kg
    4,101 lb
  • Lowest combined fuel consumption
    10.8 L/100 km
    21.8 mpg US
    26.2 mpg UK
  • Lowest city consumption
    16.1 L/100 km
    14.6 mpg US
    17.5 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Lowest CO2 emissions
    251 g/km
  • Best estimated range
    611 km
    380 mi
  • Best overall score
    72/100
  • Best performance score
    81/100
  • Best economy score
    78/100
  • Best practicality score
    52/100

Specification comparison

Specification comparison
ModelLexusRCF 5.0David BrownSpeedback GT5.0 V8
Power
477hp356kW
510hp380kW
Torque
530Nm391lb-ft
625Nm461lb-ft
Curb weight
1,860kg4,101lb
1,920kg4,233lb
Gross weight
2,250kg4,960lb
2,129kg4,694lb
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
65.0s99% target: 282 km/h / 175 mph
Calculated
61.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.5s
4.8s
0-200 km/h
14.4s
Calculated
16.3s
Calculated
0-60 mph
4.3s
Calculated
4.6s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
16.1L/100 km14.6mpg US17.5mpg UK
18.9L/100 km12.4mpg US14.9mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
12.5s
Calculated
12.9s
Calculated
Power-to-weight
256hp/t191kW/t116hp/1000 lb
Calculated
266hp/t198kW/t120hp/1000 lb
Calculated
Torque-to-weight
285Nm/t191lb-ft/ton
Calculated
326Nm/t218lb-ft/ton
Calculated
Estimated range
611km380mi
Calculated
577km359mi
Calculated
Displacement
4,969cc303cu in
5,000cc305cu in
Length
4,705mm185in
4,760mm187in
Width
1,845mm73in
1,860mm73in
Height
1,390mm55in
1,350mm53in
Wheelbase
2,730mm107in
2,750mm108in
Front track
1,555mm61in
-
Rear track
1,560mm61in
-
Trunk volume-
243L
Max trunk volume-
502L
Doors
2
2
Seats
4
2
Fuel tank
66L
71L
CO2 emissions
251g/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.

Lexus RC F 5.0David Brown Speedback GT 5.0 V8PowerTorque
  • Lexus RC F 5.0: Power / Torque
  • David Brown Speedback GT 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
LexusRCF 5.06,400-7,100 rpm4,800-5,600 rpm7,350 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
MetricLexusRCF 5.0David BrownSpeedback GT5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.6 s
0-100 km/h
0-62 mph
4.5 s
4.8 s
0-200 km/h
0-124 mph
14.4 s
16.3 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 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
8.2 s
8.5 s
1000 ft
305 m
10.6 s
10.9 s
1/4 mile
402 m
12.5 s
12.9 s
Trap speed
1/4 mile
402 m
187 km/h
116 mph
180 km/h
112 mph

Power comparison

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

Chart data table
VehicleValue
LexusRCF 5.0
477 hp
356 kW
David BrownSpeedback GT5.0 V8
510 hp
380 kW

David Brown Speedback GT 5.0 V8 has 33 hp more than Lexus RC F 5.0.

The biggest power difference is between Lexus RC F 5.0 and David Brown Speedback GT 5.0 V8: 33 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
LexusRCF 5.0
530 Nm
391 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
LexusRCF 5.0
1,860 kg
4,101 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
LexusRCF 5.0
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 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
LexusRCF 5.04.5 s
David BrownSpeedback GT5.0 V84.8 s

Although David Brown Speedback GT 5.0 V8 has more power, Lexus RC F 5.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Lexus RC F 5.0 and David Brown Speedback GT 5.0 V8: 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
LexusRCF 5.0
10.8 L/100 km
21.8 mpg US
26.2 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 Lexus RC F 5.0 and David Brown Speedback GT 5.0 V8: 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
LexusRCF 5.0
256 hp/t
191 kW/t
3.9 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
LexusRCF 5.0
611 km
380 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
LexusRCF 5.0
477 hp
356 kW
4.5 s
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 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
LexusRCF 5.0
Power
477 hp
356 kW
0-100 km/h4.5 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,705 mm
185.2 in
Height
1,390 mm
54.7 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
LexusRCF 5.0
Power
477 hp
356 kW
0-100 km/h4.5 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
10.8 L/100 km
21.8 mpg US
26.2 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

Lexus RC F 5.0 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
LexusRCF 5.0
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
4.5 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
LexusRCF 5.0
256 hp/t
191 kW/t
3.9 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 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
VehicleLexusRCF 5.0David BrownSpeedback GT5.0 V8
Power
477 hp
356 kW
510 hp
380 kW
Torque
530 Nm
391 lb-ft
625 Nm
461 lb-ft
Acceleration
4.5 s
4.8 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,860 kg
4,101 lb
1,920 kg
4,233 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk-
Length
4,705 mm
185.2 in
Height
1,390 mm
54.7 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
611 km
380 mi
577 km
359 mi
CO2 score
251 g/km
292 g/km
Trunk score
-
243 L
8.6 cu ft
Power-to-weight score
256 hp/t
191 kW/t
3.9 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
VehicleLexus RC F 5.0David Brown Speedback GT 5.0 V8
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km18.90 LC100 km21.53 LC100 km
Cost / 100 mi30.42 LC100 mi34.64 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,835 LC/year3,229 LC/year

Head-to-head comparisons

Lexus RC F 5.0

  • Is 60 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 1.5 L/100 km less fuel
  • Has 34 km (21 mi) more estimated range
  • Emits 41 g/km less CO2

Pros

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

Cons

  • Lowest power

David Brown Speedback GT 5.0 V8

  • Has 33 hp more
  • Has 95 Nm more
  • Has 9 hp/t better power-to-weight

Pros

  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

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Engine or modification
Lexus RC F 5.0
David Brown Speedback GT 5.0 V8
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Lexus RC F 5.0 vs David Brown Speedback GT 5.0 V8 - car comparison - FastVsFaster