Car comparison

Mercedes-Benz SL (R129) · Facelift 1995 SL 500 V8vsWiesmann Roadster 3.2i 24V

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

New comparison

Mercedes-Benz SL (R129) · Facelift 1995

SL 500 V8

320 hp4973 ccGasolineRWDAutomaticNaturally aspiratedRoadster1995-1998
VS

Wiesmann Roadster

3.2i 24V

321 hp3201 ccGasolineRWDManualNaturally aspiratedRoadster1993-2005

Comparison overview

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

Best choices

Wiesmann Roadster 3.2i 24V

  • Quickest 0-100 km/h
    4.9 s
  • Most powerful
    321 hp
    239 kW
  • Lightest
    1,060 kg
    2,337 lb
  • Best power-to-weight
    303 hp/t
    226 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    11.0 L/100 km
    21.4 mpg US
    25.7 mpg UK
  • Best overall score
    57/100
  • Best performance score
    69/100
  • Best economy score
    77/100

Specification comparison

Specification comparison
ModelMercedes-BenzSL (R129)Facelift 1995SL 500 V8WiesmannRoadster3.2i 24V
Power
320hp239kW
321hp239kW
Torque
470Nm347lb-ft
350Nm258lb-ft
Curb weight
1,835kg4,045lb
1,060kg2,337lb
Gross weight
2,230kg4,916lb
-
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
255 km/h
158 mph
To 99% top speed
91.0s99% target: 262 km/h / 163 mph
Calculated
49.7s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
6.5s
4.9s
0-200 km/h
23.0s
Calculated
15.8s
Calculated
0-60 mph
6.2s
Calculated
4.7s
Calculated
Fuel consumption
11.5L/100 km20.5mpg US24.6mpg UK
11L/100 km21.4mpg US25.7mpg UK
Fuel consumption city
16L/100 km14.7mpg US17.7mpg UK
-
Fuel consumption highway
9.6L/100 km24.5mpg US29.4mpg UK
-
Quarter mile
14.5s
Calculated
12.9s
Calculated
Power-to-weight
174hp/t130kW/t79hp/1000 lb
Calculated
303hp/t226kW/t137hp/1000 lb
Calculated
Torque-to-weight
256Nm/t171lb-ft/ton
Calculated
330Nm/t221lb-ft/ton
Calculated
Estimated range
696km432mi
Calculated
545km339mi
Calculated
Displacement
4,973cc303cu in
3,201cc195cu in
Length
4,499mm177in
3,860mm152in
Width
1,812mm71in
1,750mm69in
Height
1,303mm51in
1,160mm46in
Wheelbase
2,515mm99in
2,450mm96in
Front track
1,535mm60in
1,450mm57in
Rear track
1,523mm60in
1,520mm60in
Trunk volume
265L
-
Doors
2
2
Seats
2
2
Fuel tank
80L
60L

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 SL (R129) Facelift 1995 SL 500 V8Wiesmann Roadster 3.2i 24VPowerTorque
  • Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8: Power / Torque
  • Wiesmann Roadster 3.2i 24V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Mercedes-BenzSL (R129)Facelift 1995SL 500 V85,600 rpm3,900 rpm5,850 rpm
WiesmannRoadster3.2i 24V7,400 rpm3,250 rpm7,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricMercedes-BenzSL (R129)Facelift 1995SL 500 V8WiesmannRoadster3.2i 24V
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
4.7 s
0-100 km/h
0-62 mph
6.5 s
4.9 s
0-200 km/h
0-124 mph
23.0 s
15.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
255 km/h
158 mph
Drag race simulation
60 ft
18 m
2.4 s
2.3 s
330 ft
101 m
6.4 s
5.8 s
1/8 mile
201 m
9.5 s
8.5 s
1000 ft
305 m
12.2 s
10.9 s
1/4 mile
402 m
14.5 s
12.9 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
183 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
320 hp
239 kW
WiesmannRoadster3.2i 24V
321 hp
239 kW

Wiesmann Roadster 3.2i 24V has 1 hp more than Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8.

The biggest power difference is between Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8 and Wiesmann Roadster 3.2i 24V: 1 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
470 Nm
347 lb-ft
WiesmannRoadster3.2i 24V
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
1,835 kg
4,045 lb
WiesmannRoadster3.2i 24V
1,060 kg
2,337 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-BenzSL (R129)Facelift 1995SL 500 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
WiesmannRoadster3.2i 24V
255 km/h
158 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V86.5 s
WiesmannRoadster3.2i 24V4.9 s

The biggest 0-100 km/h difference is between Wiesmann Roadster 3.2i 24V and Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8: 1.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
WiesmannRoadster3.2i 24V
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

The biggest fuel consumption difference is between Wiesmann Roadster 3.2i 24V and Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8: 0.5 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-BenzSL (R129)Facelift 1995SL 500 V8
174 hp/t
130 kW/t
5.7 kg/hp
WiesmannRoadster3.2i 24V
303 hp/t
226 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
696 km
432 mi
WiesmannRoadster3.2i 24V
545 km
339 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Mercedes-BenzSL (R129)Facelift 1995SL 500 V8
320 hp
239 kW
6.5 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
WiesmannRoadster3.2i 24V
321 hp
239 kW
4.9 s
255 km/h
158 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-BenzSL (R129)Facelift 1995SL 500 V8
Power
320 hp
239 kW
0-100 km/h6.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
2 seats
Trunk
265 L
9.4 cu ft
Length
4,499 mm
177.1 in
Height
1,303 mm
51.3 in
WiesmannRoadster3.2i 24V
Power
321 hp
239 kW
0-100 km/h4.9 s
Top speed
255 km/h
158 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
3,860 mm
152.0 in
Height
1,160 mm
45.7 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-BenzSL (R129)Facelift 1995SL 500 V8
Power
320 hp
239 kW
0-100 km/h6.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
WiesmannRoadster3.2i 24V
Power
321 hp
239 kW
0-100 km/h4.9 s
Top speed
255 km/h
158 mph
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Wiesmann Roadster 3.2i 24V 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-BenzSL (R129)Facelift 1995SL 500 V8
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
6.5 s
WiesmannRoadster3.2i 24V
11.0 L/100 km
21.4 mpg US
25.7 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-BenzSL (R129)Facelift 1995SL 500 V8
174 hp/t
130 kW/t
5.7 kg/hp
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
WiesmannRoadster3.2i 24V
303 hp/t
226 kW/t
3.3 kg/hp
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleMercedes-BenzSL (R129)Facelift 1995SL 500 V8WiesmannRoadster3.2i 24V
Power
320 hp
239 kW
321 hp
239 kW
Torque
470 Nm
347 lb-ft
350 Nm
258 lb-ft
Acceleration
6.5 s
4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
255 km/h
158 mph
Lightness
1,835 kg
4,045 lb
1,060 kg
2,337 lb
Fuel consumption
11.5 L/100 km
20.5 mpg US
24.6 mpg UK
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
265 L
9.4 cu ft
Length
4,499 mm
177.1 in
Height
1,303 mm
51.3 in
Doors/seats
2 doors
2 seats
Trunk-
Length
3,860 mm
152.0 in
Height
1,160 mm
45.7 in
Range score
696 km
432 mi
545 km
339 mi
Trunk score
265 L
9.4 cu ft
-
Power-to-weight score
174 hp/t
130 kW/t
5.7 kg/hp
303 hp/t
226 kW/t
3.3 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 SL (R129) Facelift 1995 SL 500 V8Wiesmann Roadster 3.2i 24V
Consumption11.5 L/100 km20.5 mpg US24.6 mpg UK11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km20.13 LC100 km19.25 LC100 km
Cost / 100 mi32.39 LC100 mi30.98 LC100 mi
Annual fuel used1,725 L456 US gal379 UK gal1,650 L436 US gal363 UK gal
Annual fuel cost3,019 LC/year2,888 LC/year

Head-to-head comparisons

Mercedes-Benz SL (R129) Facelift 1995 SL 500 V8

  • Has 120 Nm more
  • Has 10 km/h (6 mph) higher top speed
  • Has 150 km (93 mi) more estimated range

Pros

  • Highest top speed
  • Highest torque
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest

Wiesmann Roadster 3.2i 24V

  • Has 1 hp more
  • Is 775 kg lighter
  • Is 1.6 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 128 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Mercedes-Benz SL (R129) SL 500 V8
Wiesmann Roadster 3.2i 24V
Compare selected cars
2 vehicles selected

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