Car comparison

Porsche Cayman (987C) S 3.4vsMG Xpower SV 4.6 i V8 32V

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

New comparison

Porsche Cayman (987C)

S 3.4

295 hp3386 ccGasolineRWDManualNaturally aspiratedCoupe2005-2009
VS

MG Xpower SV

4.6 i V8 32V

320 hp4600 ccGasolineFWDManualNaturally aspiratedCoupe2003-2005

Comparison overview

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

Best choices

Porsche Cayman (987C) S 3.4

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    275 km/h
    171 mph Restricted
  • Lightest
    1,350 kg
    2,976 lb
  • Best power-to-weight
    219 hp/t
    163 kW/t
    4.6 kg/hp
  • Lowest city consumption
    15.3 L/100 km
    15.4 mpg US
    18.5 mpg UK
  • Lowest highway consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Largest trunk
    260 L
  • Best overall score
    58/100
  • Best performance score
    68/100
  • Best economy score
    78/100
  • Best practicality score
    36/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)S 3.4MGXpower SV4.6 i V8 32V
Power
295hp220kW
320hp239kW
Torque
340Nm251lb-ft
410Nm302lb-ft
Curb weight
1,350kg2,976lb
1,540kg3,395lb
Gross weight
1,630kg3,594lb
-
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
254 km/h
158 mph
To 99% top speed
92.6s99% target: 282 km/h / 175 mph
Calculated
68.8s99% target: 251 km/h / 156 mph
Calculated
0-100 km/h
5.4s
5.4s
0-200 km/h
18.6s
19.7s
Calculated
0-60 mph
5.1s
Calculated
5.1s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
-
Fuel consumption city
15.3L/100 km15.4mpg US18.5mpg UK
16L/100 km14.7mpg US17.7mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
11L/100 km21.4mpg US25.7mpg UK
Quarter mile
13.5s
Calculated
13.5s
Calculated
Power-to-weight
219hp/t163kW/t99hp/1000 lb
Calculated
208hp/t155kW/t94hp/1000 lb
Calculated
Torque-to-weight
252Nm/t169lb-ft/ton
Calculated
266Nm/t178lb-ft/ton
Calculated
Estimated range
604km375mi
Calculated
-
Displacement
3,386cc207cu in
4,600cc281cu in
Length
4,341mm171in
4,480mm176in
Width
1,801mm71in
1,900mm75in
Height
1,305mm51in
1,320mm52in
Wheelbase
2,415mm95in
2,670mm105in
Front track
1,486mm59in
1,678mm66in
Rear track
1,528mm60in
1,626mm64in
Ground clearance
121mm5in
-
Trunk volume
260L
250L
Doors
2
2
Seats
2
2
Fuel tank
64L
80L
CO2 emissions
254g/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.

Porsche Cayman (987C) S 3.4MG Xpower SV 4.6 i V8 32VPowerTorque
  • Porsche Cayman (987C) S 3.4: Power / Torque
  • MG Xpower SV 4.6 i V8 32V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayman (987C)S 3.46,250 rpm4,400-6,000 rpm7,300 rpm
MGXpower SV4.6 i V8 32V6,000 rpm4,750 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)S 3.4MGXpower SV4.6 i V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.1 s
0-100 km/h
0-62 mph
5.4 s
5.4 s
0-200 km/h
0-124 mph
18.6 s
19.7 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
254 km/h
158 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.9 s
5.9 s
1/8 mile
201 m
8.8 s
8.9 s
1000 ft
305 m
11.4 s
11.4 s
1/4 mile
402 m
13.5 s
13.5 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
295 hp
220 kW
MGXpower SV4.6 i V8 32V
320 hp
239 kW

MG Xpower SV 4.6 i V8 32V has 25 hp more than Porsche Cayman (987C) S 3.4.

The biggest power difference is between Porsche Cayman (987C) S 3.4 and MG Xpower SV 4.6 i V8 32V: 25 hp (19 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
340 Nm
251 lb-ft
MGXpower SV4.6 i V8 32V
410 Nm
302 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
1,350 kg
2,976 lb
MGXpower SV4.6 i V8 32V
1,540 kg
3,395 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
MGXpower SV4.6 i V8 32V
254 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
PorscheCayman (987C)S 3.45.4 s
MGXpower SV4.6 i V8 32V5.4 s

Although MG Xpower SV 4.6 i V8 32V has more power, Porsche Cayman (987C) S 3.4 is quicker from 0-100 km/h.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
219 hp/t
163 kW/t
4.6 kg/hp
MGXpower SV4.6 i V8 32V
208 hp/t
155 kW/t
4.8 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayman (987C)S 3.4
295 hp
220 kW
5.4 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
MGXpower SV4.6 i V8 32V
320 hp
239 kW
5.4 s
254 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
PorscheCayman (987C)S 3.4
Power
295 hp
220 kW
0-100 km/h5.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,341 mm
170.9 in
Height
1,305 mm
51.4 in
MGXpower SV4.6 i V8 32V
Power
320 hp
239 kW
0-100 km/h5.4 s
Top speed
254 km/h
158 mph
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,480 mm
176.4 in
Height
1,320 mm
52.0 in

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayman (987C)S 3.4MGXpower SV4.6 i V8 32V
Power
295 hp
220 kW
320 hp
239 kW
Torque
340 Nm
251 lb-ft
410 Nm
302 lb-ft
Acceleration
5.4 s
5.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
254 km/h
158 mph
Lightness
1,350 kg
2,976 lb
1,540 kg
3,395 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
-
Practicality
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,341 mm
170.9 in
Height
1,305 mm
51.4 in
Doors/seats
2 doors
2 seats
Trunk
250 L
8.8 cu ft
Length
4,480 mm
176.4 in
Height
1,320 mm
52.0 in
Range score
604 km
375 mi
-
CO2 score
254 g/km
-
Trunk score
260 L
9.2 cu ft
250 L
8.8 cu ft
Power-to-weight score
219 hp/t
163 kW/t
4.6 kg/hp
208 hp/t
155 kW/t
4.8 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 Cayman (987C) S 3.4
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km18.55 LC100 km
Cost / 100 mi29.85 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal
Annual fuel cost2,783 LC/year

Head-to-head comparisons

Porsche Cayman (987C) S 3.4

  • Is 190 kg lighter
  • Has 31 km/h (19 mph) higher top speed
  • Has 11 hp/t better power-to-weight
  • Has 10 L more trunk volume

Pros

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

Cons

  • Lowest power

MG Xpower SV 4.6 i V8 32V

  • Has 25 hp more
  • Has 70 Nm more

Pros

  • Most powerful
  • Highest torque

Cons

  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayman (987C) S 3.4
MG Xpower SV 4.6 i V8 32V
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