Car comparison

Porsche 928 5.4 GTS V8vsDodge Viper SR I 8.0 V10

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

New comparison

Porsche 928

5.4 GTS V8

350 hp5397 ccGasolineRWDManualNaturally aspiratedCoupe1991-1995
VS

Dodge Viper SR I

8.0 V10

406 hp7994 ccGasolineRWDManualNaturally aspirated1991-1995

Comparison overview

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

Best choices

Dodge Viper SR I 8.0 V10

  • Quickest 0-100 km/h
    4.5 s
  • Most powerful
    406 hp
    303 kW
  • Highest torque
    626 Nm
    462 lb-ft
  • Lightest
    1,532 kg
    3,377 lb
  • Best power-to-weight
    265 hp/t
    198 kW/t
    3.8 kg/hp
  • Lowest city consumption
    19.6 L/100 km
    12.0 mpg US
    14.4 mpg UK
  • Largest trunk
    334 L
  • Best overall score
    68/100
  • Best performance score
    80/100

Porsche 928 5.4 GTS V8

  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    275 km/h
    171 mph Restricted
  • Lowest combined fuel consumption
    12.0 L/100 km
    19.6 mpg US
    23.5 mpg UK
  • Lowest highway consumption
    9.8 L/100 km
    24.0 mpg US
    28.8 mpg UK
  • Best estimated range
    717 km
    445 mi
  • Best economy score
    75/100
  • Best practicality score
    43/100

Specification comparison

Specification comparison
ModelPorsche9285.4 GTS V8DodgeViper SR I8.0 V10
Power
350hp261kW
406hp303kW
Torque
500Nm369lb-ft
626Nm462lb-ft
Curb weight
1,620kg3,571lb
1,532kg3,377lb
Gross weight
1,960kg4,321lb
-
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
266 km/h
165 mph
To 99% top speed
86.3s99% target: 282 km/h / 175 mph
Calculated
51.8s99% target: 263 km/h / 164 mph
Calculated
0-100 km/h
5.7s
4.5s
0-200 km/h
18.6s
Calculated
14.4s
Calculated
0-60 mph
5.4s
Calculated
4.3s
Calculated
Fuel consumption
12L/100 km19.6mpg US23.5mpg UK
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city
20.8L/100 km11.3mpg US13.6mpg UK
19.6L/100 km12mpg US14.4mpg UK
Fuel consumption highway
9.8L/100 km24mpg US28.8mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Quarter mile
13.7s
Calculated
12.5s
Calculated
Power-to-weight
216hp/t161kW/t98hp/1000 lb
Calculated
265hp/t198kW/t120hp/1000 lb
Calculated
Torque-to-weight
309Nm/t207lb-ft/ton
Calculated
409Nm/t273lb-ft/ton
Calculated
Estimated range
717km445mi
Calculated
529km328mi
Calculated
Displacement
5,397cc329cu in
7,994cc488cu in
Length
4,523mm178in
4,448mm175in
Width
1,890mm74in
1,924mm76in
Height
1,282mm50in
1,117mm44in
Wheelbase
2,500mm98in
2,444mm96in
Front track
1,551mm61in
1,514mm60in
Rear track
1,616mm64in
1,538mm61in
Ground clearance
115mm5in
-
Trunk volume
200L
-
Max trunk volume
400L
334L
Doors
2
2
Seats
4
2
Fuel tank
86L
83L

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.

Porsche 928 5.4 GTS V8Dodge Viper SR I 8.0 V10PowerTorque
  • Porsche 928 5.4 GTS V8: Power / Torque
  • Dodge Viper SR I 8.0 V10: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche9285.4 GTS V85,700 rpm4,250 rpm6,800 rpm
DodgeViper SR I8.0 V104,600 rpm3,600 rpm4,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche9285.4 GTS V8DodgeViper SR I8.0 V10
Acceleration checkpoints
0-60 mph
0-97 km/h
5.4 s
4.3 s
0-100 km/h
0-62 mph
5.7 s
4.5 s
0-200 km/h
0-124 mph
18.6 s
14.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
266 km/h
165 mph
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
6.1 s
5.5 s
1/8 mile
201 m
9.1 s
8.2 s
1000 ft
305 m
11.6 s
10.6 s
1/4 mile
402 m
13.7 s
12.5 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
188 km/h
117 mph

Power comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V8
350 hp
261 kW
DodgeViper SR I8.0 V10
406 hp
303 kW

Dodge Viper SR I 8.0 V10 has 56 hp more than Porsche 928 5.4 GTS V8.

The biggest power difference is between Porsche 928 5.4 GTS V8 and Dodge Viper SR I 8.0 V10: 56 hp (42 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V8
500 Nm
369 lb-ft
DodgeViper SR I8.0 V10
626 Nm
462 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V8
1,620 kg
3,571 lb
DodgeViper SR I8.0 V10
1,532 kg
3,377 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V8
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
DodgeViper SR I8.0 V10
266 km/h
165 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V85.7 s
DodgeViper SR I8.0 V104.5 s

The biggest 0-100 km/h difference is between Dodge Viper SR I 8.0 V10 and Porsche 928 5.4 GTS V8: 1.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche9285.4 GTS V8
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
DodgeViper SR I8.0 V10
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

The biggest fuel consumption difference is between Porsche 928 5.4 GTS V8 and Dodge Viper SR I 8.0 V10: 3.7 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
Porsche9285.4 GTS V8
216 hp/t
161 kW/t
4.6 kg/hp
DodgeViper SR I8.0 V10
265 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
Porsche9285.4 GTS V8
717 km
445 mi
DodgeViper SR I8.0 V10
529 km
328 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche9285.4 GTS V8
350 hp
261 kW
5.7 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
DodgeViper SR I8.0 V10
406 hp
303 kW
4.5 s
266 km/h
165 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
Porsche9285.4 GTS V8
Power
350 hp
261 kW
0-100 km/h5.7 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,523 mm
178.1 in
Height
1,282 mm
50.5 in
DodgeViper SR I8.0 V10
Power
406 hp
303 kW
0-100 km/h4.5 s
Top speed
266 km/h
165 mph
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,448 mm
175.1 in
Height
1,117 mm
44.0 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
Porsche9285.4 GTS V8
Power
350 hp
261 kW
0-100 km/h5.7 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
DodgeViper SR I8.0 V10
Power
406 hp
303 kW
0-100 km/h4.5 s
Top speed
266 km/h
165 mph
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

Porsche 928 5.4 GTS 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
Porsche9285.4 GTS V8
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
5.7 s
DodgeViper SR I8.0 V10
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
4.5 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
Porsche9285.4 GTS V8
216 hp/t
161 kW/t
4.6 kg/hp
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
DodgeViper SR I8.0 V10
265 hp/t
198 kW/t
3.8 kg/hp
15.7 L/100 km
15.0 mpg US
18.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche9285.4 GTS V8DodgeViper SR I8.0 V10
Power
350 hp
261 kW
406 hp
303 kW
Torque
500 Nm
369 lb-ft
626 Nm
462 lb-ft
Acceleration
5.7 s
4.5 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
266 km/h
165 mph
Lightness
1,620 kg
3,571 lb
1,532 kg
3,377 lb
Fuel consumption
12.0 L/100 km
19.6 mpg US
23.5 mpg UK
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,523 mm
178.1 in
Height
1,282 mm
50.5 in
Doors/seats
2 doors
2 seats
Trunk
334 L
11.8 cu ft
Length
4,448 mm
175.1 in
Height
1,117 mm
44.0 in
Range score
717 km
445 mi
529 km
328 mi
Trunk score
200 L
7.1 cu ft
334 L
11.8 cu ft
Power-to-weight score
216 hp/t
161 kW/t
4.6 kg/hp
265 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
VehiclePorsche 928 5.4 GTS V8Dodge Viper SR I 8.0 V10
Consumption12 L/100 km19.6 mpg US23.5 mpg UK15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km21.00 LC100 km27.47 LC100 km
Cost / 100 mi33.80 LC100 mi44.22 LC100 mi
Annual fuel used1,800 L476 US gal396 UK gal2,355 L622 US gal518 UK gal
Annual fuel cost3,150 LC/year4,121 LC/year

Head-to-head comparisons

Porsche 928 5.4 GTS V8

  • Has 19 km/h (12 mph) higher top speed
  • Uses 3.7 L/100 km less fuel
  • Has 188 km (117 mi) more estimated range

Pros

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

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Smallest trunk

Dodge Viper SR I 8.0 V10

  • Has 56 hp more
  • Has 126 Nm more
  • Is 88 kg lighter
  • Is 1.2 s quicker from 0-100 km/h
  • Has 49 hp/t better power-to-weight
  • Has 134 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 928 5.4 GTS V8
Dodge Viper SR I 8.0 V10
Compare selected cars
2 vehicles selected

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