Car comparison

Lamborghini Murcielago LP640 Roadster 6.5 V12vsMercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8

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

New comparison

Lamborghini Murcielago LP640 Roadster

6.5 V12

640 hp6496 ccGasolineAWDManualNaturally aspiratedRoadster2006-2010
VS

Mercedes-Benz SLS AMG Roadster (R197)

GT 6.2 V8

591 hp6208 ccGasolineRWDDual-clutchNaturally aspiratedRoadster2012-2013

Comparison overview

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

Best choices

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8

  • Lightest
    1,660 kg
    3,660 lb
  • Lowest combined fuel consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest city consumption
    19.9 L/100 km
    11.8 mpg US
    14.2 mpg UK
  • Lowest highway consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Best estimated range
    644 km
    400 mi
  • Largest trunk
    173 L
  • Best economy score
    71/100
  • Best practicality score
    28/100

Lamborghini Murcielago LP640 Roadster 6.5 V12

  • Quickest 0-100 km/h
    3.4 s
  • Fastest top speed
    330 km/h
    205 mph
  • Most powerful
    640 hp
    477 kW
  • Highest torque
    660 Nm
    487 lb-ft
  • Best power-to-weight
    379 hp/t
    282 kW/t
    2.6 kg/hp
  • Best overall score
    70/100
  • Best performance score
    91/100

Specification comparison

Specification comparison
ModelLamborghiniMurcielago LP640 Roadster6.5 V12Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Power
640hp477kW
591hp441kW
Torque
660Nm487lb-ft
650Nm479lb-ft
Curb weight
1,690kg3,726lb
1,660kg3,660lb
Gross weight
2,000kg4,409lb
1,960kg4,321lb
Top speed
330 km/h
205 mph
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Calculated
To 99% top speed
49.2s99% target: 327 km/h / 203 mph
Calculated
58.6s99% target: 327 km/h / 203 mph
Calculated
0-100 km/h
3.4s
3.7s
0-200 km/h
9.2s
Calculated
10.4s
Calculated
0-60 mph
3.3s
Calculated
3.5s
Calculated
Fuel consumption
21.3L/100 km11mpg US13.3mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption city
32.3L/100 km7.3mpg US8.7mpg UK
19.9L/100 km11.8mpg US14.2mpg UK
Fuel consumption highway
15L/100 km15.7mpg US18.8mpg UK
9.3L/100 km25.3mpg US30.4mpg UK
Quarter mile
10.9s
Calculated
11.4s
Calculated
Power-to-weight
379hp/t282kW/t172hp/1000 lb
Calculated
356hp/t265kW/t161hp/1000 lb
Calculated
Torque-to-weight
391Nm/t261lb-ft/ton
Calculated
392Nm/t262lb-ft/ton
Calculated
Estimated range
469km292mi
Calculated
644km400mi
Calculated
Displacement
6,496cc396cu in
6,208cc379cu in
Length
4,610mm181in
4,638mm183in
Width
2,058mm81in
1,939mm76in
Height
1,135mm45in
1,261mm50in
Wheelbase
2,665mm105in
2,680mm106in
Front track
1,635mm64in
1,682mm66in
Rear track
1,695mm67in
1,651mm65in
Trunk volume
150L
173L
Doors
2
2
Seats
2
2
Fuel tank
100L
85L
CO2 emissions
495g/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.

Lamborghini Murcielago LP640 Roadster 6.5 V12Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8PowerTorque
  • Lamborghini Murcielago LP640 Roadster 6.5 V12: Power / Torque
  • Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
LamborghiniMurcielago LP640 Roadster6.5 V128,000 rpm6,000 rpm8,250 rpm
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V86,800 rpm4,750 rpm7,200 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricLamborghiniMurcielago LP640 Roadster6.5 V12Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.3 s
3.5 s
0-100 km/h
0-62 mph
3.4 s
3.7 s
0-200 km/h
0-124 mph
9.2 s
10.4 s
0-200 mph
0-322 km/h
39.1 s
46.3 s
Top speed
330 km/h
205 mph
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Likely limited
Drag race simulation
60 ft
18 m
2.0 s
2.0 s
330 ft
101 m
4.9 s
5.1 s
1/8 mile
201 m
7.3 s
7.6 s
1000 ft
305 m
9.3 s
9.6 s
1/4 mile
402 m
10.9 s
11.4 s
Trap speed
1/4 mile
402 m
220 km/h
137 mph
211 km/h
131 mph

Power comparison

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

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V12
640 hp
477 kW
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
591 hp
441 kW

Lamborghini Murcielago LP640 Roadster 6.5 V12 has 49 hp more than Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8.

The biggest power difference is between Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 and Lamborghini Murcielago LP640 Roadster 6.5 V12: 49 hp (37 kW).

Torque comparison

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

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V12
660 Nm
487 lb-ft
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V12
1,690 kg
3,726 lb
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
1,660 kg
3,660 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V12
330 km/h
205 mph
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V123.4 s
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V83.7 s

The biggest 0-100 km/h difference is between Lamborghini Murcielago LP640 Roadster 6.5 V12 and Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 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
LamborghiniMurcielago LP640 Roadster6.5 V12
21.3 L/100 km
11.0 mpg US
13.3 mpg UK
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

The biggest fuel consumption difference is between Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8 and Lamborghini Murcielago LP640 Roadster 6.5 V12: 8.1 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
LamborghiniMurcielago LP640 Roadster6.5 V12
379 hp/t
282 kW/t
2.6 kg/hp
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
356 hp/t
265 kW/t
2.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
LamborghiniMurcielago LP640 Roadster6.5 V12
469 km
292 mi
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
644 km
400 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
LamborghiniMurcielago LP640 Roadster6.5 V12
640 hp
477 kW
3.4 s
330 km/h
205 mph
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
591 hp
441 kW
3.7 s
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 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
LamborghiniMurcielago LP640 Roadster6.5 V12
Power
640 hp
477 kW
0-100 km/h3.4 s
Top speed
330 km/h
205 mph
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,610 mm
181.5 in
Height
1,135 mm
44.7 in
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Power
591 hp
441 kW
0-100 km/h3.7 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Doors/seats
2 doors
2 seats
Trunk
173 L
6.1 cu ft
Length
4,638 mm
182.6 in
Height
1,261 mm
49.6 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
LamborghiniMurcielago LP640 Roadster6.5 V12
Power
640 hp
477 kW
0-100 km/h3.4 s
Top speed
330 km/h
205 mph
21.3 L/100 km
11.0 mpg US
13.3 mpg UK
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Power
591 hp
441 kW
0-100 km/h3.7 s
Top speed
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 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
LamborghiniMurcielago LP640 Roadster6.5 V12
21.3 L/100 km
11.0 mpg US
13.3 mpg UK
3.4 s
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
3.7 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
LamborghiniMurcielago LP640 Roadster6.5 V12
379 hp/t
282 kW/t
2.6 kg/hp
21.3 L/100 km
11.0 mpg US
13.3 mpg UK
Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
356 hp/t
265 kW/t
2.8 kg/hp
13.2 L/100 km
17.8 mpg US
21.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleLamborghiniMurcielago LP640 Roadster6.5 V12Mercedes-BenzSLS AMG Roadster (R197)GT 6.2 V8
Power
640 hp
477 kW
591 hp
441 kW
Torque
660 Nm
487 lb-ft
650 Nm
479 lb-ft
Acceleration
3.4 s
3.7 s
Top speed
330 km/h
205 mph
Unrestricted
330 km/h205 mph
Restricted
320 km/h199 mph
Lightness
1,690 kg
3,726 lb
1,660 kg
3,660 lb
Fuel consumption
21.3 L/100 km
11.0 mpg US
13.3 mpg UK
13.2 L/100 km
17.8 mpg US
21.4 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
150 L
5.3 cu ft
Length
4,610 mm
181.5 in
Height
1,135 mm
44.7 in
Doors/seats
2 doors
2 seats
Trunk
173 L
6.1 cu ft
Length
4,638 mm
182.6 in
Height
1,261 mm
49.6 in
Range score
469 km
292 mi
644 km
400 mi
CO2 score
495 g/km
-
Trunk score
150 L
5.3 cu ft
173 L
6.1 cu ft
Power-to-weight score
379 hp/t
282 kW/t
2.6 kg/hp
356 hp/t
265 kW/t
2.8 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
VehicleLamborghini Murcielago LP640 Roadster 6.5 V12Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8
Consumption21.3 L/100 km11 mpg US13.3 mpg UK13.2 L/100 km17.8 mpg US21.4 mpg UK
Cost / 100 km37.28 LC100 km23.10 LC100 km
Cost / 100 mi59.99 LC100 mi37.18 LC100 mi
Annual fuel used3,195 L844 US gal703 UK gal1,980 L523 US gal436 UK gal
Annual fuel cost5,591 LC/year3,465 LC/year

Head-to-head comparisons

Lamborghini Murcielago LP640 Roadster 6.5 V12

  • Has 49 hp more
  • Has 10 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Has 23 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8

  • Is 30 kg lighter
  • Uses 8.1 L/100 km less fuel
  • Has 174 km (108 mi) more estimated range
  • Has 23 L more trunk volume

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Lamborghini Murcielago LP640 Roadster 6.5 V12
Mercedes-Benz SLS AMG Roadster (R197) GT 6.2 V8
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