Car comparison

Alpina Roadster V8 4.8 i V8 32VvsMercedes-Benz SL (R230) AMG SL 55 V8

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

New comparison

Alpina Roadster V8

4.8 i V8 32V

381 hp4837 ccGasolineRWDManualNaturally aspiratedRoadster2002-2006
VS

Mercedes-Benz SL (R230)

AMG SL 55 V8

476 hp5439 ccGasolineRWDAutomaticSuperchargedRoadster2001-2006

Comparison overview

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

Best choices

Alpina Roadster V8 4.8 i V8 32V

  • Fastest top speed
    280 km/h
    174 mph Unrestricted
    260 km/h
    162 mph Restricted
  • Lightest
    1,615 kg
    3,560 lb
  • Lowest combined fuel consumption
    9.3 L/100 km
    25.3 mpg US
    30.4 mpg UK
  • Lowest city consumption
    15.0 L/100 km
    15.7 mpg US
    18.8 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Best estimated range
    785 km
    488 mi
  • Best economy score
    82/100
  • Best practicality score
    32/100

Mercedes-Benz SL (R230) AMG SL 55 V8

  • Quickest 0-100 km/h
    4.7 s
  • Most powerful
    476 hp
    355 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Best power-to-weight
    253 hp/t
    189 kW/t
    3.9 kg/hp
  • Best overall score
    66/100
  • Best performance score
    83/100

Specification comparison

Specification comparison
ModelAlpinaRoadster V84.8 i V8 32VMercedes-BenzSL (R230)AMG SL 55 V8
Power
381hp284kW
476hp355kW
Torque
520Nm384lb-ft
700Nm516lb-ft
Curb weight
1,615kg3,560lb
1,880kg4,145lb
Gross weight
1,950kg4,299lb
2,200kg4,850lb
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Calculated
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
73.3s99% target: 277 km/h / 172 mph
Calculated
59.2s99% target: 267 km/h / 166 mph
Calculated
0-100 km/h
5.3s
4.7s
0-200 km/h
17.1s
Calculated
15.3s
Calculated
0-60 mph
5.1s
Calculated
4.5s
Calculated
Fuel consumption
9.3L/100 km25.3mpg US30.4mpg UK
14.2L/100 km16.6mpg US19.9mpg UK
Fuel consumption city
15L/100 km15.7mpg US18.8mpg UK
20.9L/100 km11.3mpg US13.5mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
10.6L/100 km22.2mpg US26.6mpg UK
Quarter mile
13.3s
Calculated
12.7s
Calculated
Power-to-weight
236hp/t176kW/t107hp/1000 lb
Calculated
253hp/t189kW/t115hp/1000 lb
Calculated
Torque-to-weight
322Nm/t215lb-ft/ton
Calculated
372Nm/t249lb-ft/ton
Calculated
Estimated range
785km488mi
Calculated
563km350mi
Calculated
Displacement
4,837cc295cu in
5,439cc332cu in
Length
4,400mm173in
4,535mm179in
Width
1,830mm72in
1,815mm71in
Height
1,320mm52in
1,295mm51in
Wheelbase
2,505mm99in
2,560mm101in
Front track
1,550mm61in
1,569mm62in
Rear track
1,570mm62in
1,551mm61in
Trunk volume-
235L
Max trunk volume-
317L
Doors
2
2
Seats
2
2
Fuel tank
73L
80L

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.

Alpina Roadster V8 4.8 i V8 32VMercedes-Benz SL (R230) AMG SL 55 V8PowerTorque
  • Alpina Roadster V8 4.8 i V8 32V: Power / Torque
  • Mercedes-Benz SL (R230) AMG SL 55 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaRoadster V84.8 i V8 32V5,800 rpm3,800 rpm6,050 rpm
Mercedes-BenzSL (R230)AMG SL 55 V86,100 rpm2,650-4,500 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaRoadster V84.8 i V8 32VMercedes-BenzSL (R230)AMG SL 55 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
4.5 s
0-100 km/h
0-62 mph
5.3 s
4.7 s
0-200 km/h
0-124 mph
17.1 s
15.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Likely limited
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
5.9 s
5.6 s
1/8 mile
201 m
8.8 s
8.4 s
1000 ft
305 m
11.3 s
10.8 s
1/4 mile
402 m
13.3 s
12.7 s
Trap speed
1/4 mile
402 m
178 km/h
110 mph
184 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
381 hp
284 kW
Mercedes-BenzSL (R230)AMG SL 55 V8
476 hp
355 kW

Mercedes-Benz SL (R230) AMG SL 55 V8 has 95 hp more than Alpina Roadster V8 4.8 i V8 32V.

The biggest power difference is between Alpina Roadster V8 4.8 i V8 32V and Mercedes-Benz SL (R230) AMG SL 55 V8: 95 hp (71 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
520 Nm
384 lb-ft
Mercedes-BenzSL (R230)AMG SL 55 V8
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
1,615 kg
3,560 lb
Mercedes-BenzSL (R230)AMG SL 55 V8
1,880 kg
4,145 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Mercedes-BenzSL (R230)AMG SL 55 V8
Unrestricted
270 km/h168 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
AlpinaRoadster V84.8 i V8 32V5.3 s
Mercedes-BenzSL (R230)AMG SL 55 V84.7 s

The biggest 0-100 km/h difference is between Mercedes-Benz SL (R230) AMG SL 55 V8 and Alpina Roadster V8 4.8 i V8 32V: 0.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Mercedes-BenzSL (R230)AMG SL 55 V8
14.2 L/100 km
16.6 mpg US
19.9 mpg UK

The biggest fuel consumption difference is between Alpina Roadster V8 4.8 i V8 32V and Mercedes-Benz SL (R230) AMG SL 55 V8: 4.9 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
AlpinaRoadster V84.8 i V8 32V
236 hp/t
176 kW/t
4.2 kg/hp
Mercedes-BenzSL (R230)AMG SL 55 V8
253 hp/t
189 kW/t
3.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaRoadster V84.8 i V8 32V
785 km
488 mi
Mercedes-BenzSL (R230)AMG SL 55 V8
563 km
350 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaRoadster V84.8 i V8 32V
381 hp
284 kW
5.3 s
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Mercedes-BenzSL (R230)AMG SL 55 V8
476 hp
355 kW
4.7 s
Unrestricted
270 km/h168 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
AlpinaRoadster V84.8 i V8 32V
Power
381 hp
284 kW
0-100 km/h5.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,400 mm
173.2 in
Height
1,320 mm
52.0 in
Mercedes-BenzSL (R230)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h4.7 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
235 L
8.3 cu ft
Length
4,535 mm
178.5 in
Height
1,295 mm
51.0 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
AlpinaRoadster V84.8 i V8 32V
Power
381 hp
284 kW
0-100 km/h5.3 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Mercedes-BenzSL (R230)AMG SL 55 V8
Power
476 hp
355 kW
0-100 km/h4.7 s
Top speed
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
14.2 L/100 km
16.6 mpg US
19.9 mpg UK

Alpina Roadster V8 4.8 i V8 32V 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
AlpinaRoadster V84.8 i V8 32V
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
5.3 s
Mercedes-BenzSL (R230)AMG SL 55 V8
14.2 L/100 km
16.6 mpg US
19.9 mpg UK
4.7 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
AlpinaRoadster V84.8 i V8 32V
236 hp/t
176 kW/t
4.2 kg/hp
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
Mercedes-BenzSL (R230)AMG SL 55 V8
253 hp/t
189 kW/t
3.9 kg/hp
14.2 L/100 km
16.6 mpg US
19.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaRoadster V84.8 i V8 32VMercedes-BenzSL (R230)AMG SL 55 V8
Power
381 hp
284 kW
476 hp
355 kW
Torque
520 Nm
384 lb-ft
700 Nm
516 lb-ft
Acceleration
5.3 s
4.7 s
Top speed
Unrestricted
280 km/h174 mph
Restricted
260 km/h162 mph
Unrestricted
270 km/h168 mph
Restricted
250 km/h155 mph
Lightness
1,615 kg
3,560 lb
1,880 kg
4,145 lb
Fuel consumption
9.3 L/100 km
25.3 mpg US
30.4 mpg UK
14.2 L/100 km
16.6 mpg US
19.9 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,400 mm
173.2 in
Height
1,320 mm
52.0 in
Doors/seats
2 doors
2 seats
Trunk
235 L
8.3 cu ft
Length
4,535 mm
178.5 in
Height
1,295 mm
51.0 in
Range score
785 km
488 mi
563 km
350 mi
Trunk score
-
235 L
8.3 cu ft
Power-to-weight score
236 hp/t
176 kW/t
4.2 kg/hp
253 hp/t
189 kW/t
3.9 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
VehicleAlpina Roadster V8 4.8 i V8 32VMercedes-Benz SL (R230) AMG SL 55 V8
Consumption9.3 L/100 km25.3 mpg US30.4 mpg UK14.2 L/100 km16.6 mpg US19.9 mpg UK
Cost / 100 km16.28 LC100 km24.85 LC100 km
Cost / 100 mi26.19 LC100 mi39.99 LC100 mi
Annual fuel used1,395 L369 US gal307 UK gal2,130 L563 US gal469 UK gal
Annual fuel cost2,441 LC/year3,728 LC/year

Head-to-head comparisons

Alpina Roadster V8 4.8 i V8 32V

  • Is 265 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Uses 4.9 L/100 km less fuel
  • Has 222 km (138 mi) more estimated range

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power

Mercedes-Benz SL (R230) AMG SL 55 V8

  • Has 95 hp more
  • Has 180 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 17 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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina Roadster V8 4.8 i V8 32V
Mercedes-Benz SL (R230) AMG SL 55 V8
Compare selected cars
2 vehicles selected

Popular comparisons

4.8 i V8 32V
5.7 i V8 16V
VS
AlpinaRoadster V84.8 i V8 32VvsChevroletCorvette Convertible (C5)5.7 i V8 16V
AMG SL 55 V8
SL 600 V12
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R230)Facelift 2006SL 600 V12
4.8 i V8 32V
AMG SLK 55 V8
VS
AlpinaRoadster V84.8 i V8 32VvsMercedes-BenzSLK (R171)AMG SLK 55 V8
AMG SL 55 V8
AMG SL 73 V12
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R129)Facelift 1998AMG SL 73 V12
4.8 i V8 32V
AMG SLK 32 V6
VS
AlpinaRoadster V84.8 i V8 32VvsMercedes-BenzSLK (R170)Facelift 2000AMG SLK 32 V6
AMG SL 55 V8
SL 600 V12
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R230)Facelift 2008SL 600 V12
4.8 i V8 32V
6.0 i V8
VS
AlpinaRoadster V84.8 i V8 32VvsChevroletCorvette Convertible (C6)6.0 i V8
AMG SL 55 V8
SL 500 V8
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R231)Facelift 2016SL 500 V8
4.8 i V8 32V
AMG SLK 55 V8
VS
AlpinaRoadster V84.8 i V8 32VvsMercedes-BenzSLK (R171)Facelift 2008AMG SLK 55 V8
AMG SL 55 V8
AMG SL 60 V8
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R129)Facelift 1995AMG SL 60 V8
4.8 i V8 32V
SL 600 V12
VS
AlpinaRoadster V84.8 i V8 32VvsMercedes-BenzSL (R230)SL 600 V12
AMG SL 55 V8
AMG SL 63
VS
Mercedes-BenzSL (R230)AMG SL 55 V8vsMercedes-BenzSL (R231)AMG SL 63
Alpina Roadster V8 4.8 i V8 32V vs Mercedes-Benz SL (R230) AMG SL 55 V8 - car comparison - FastVsFaster