Car comparison

Porsche Cayman (987C) · Facelift 2009 S 3.4vsPorsche 928 5.0 GT V8

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

New comparison

Porsche Cayman (987C) · Facelift 2009

S 3.4

320 hp3436 ccGasolineRWDAutomaticNaturally aspiratedCoupe2009-2012
VS

Porsche 928

5.0 GT V8

330 hp4957 ccGasolineRWDManualNaturally aspiratedCoupe1989-1991

Comparison overview

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

Best choices

Porsche Cayman (987C) Facelift 2009 S 3.4

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    275 km/h
    171 mph Restricted
  • Lightest
    1,375 kg
    3,031 lb
  • Best power-to-weight
    233 hp/t
    174 kW/t
    4.3 kg/hp
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest highway consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best estimated range
    691 km
    430 mi
  • Best performance score
    71/100
  • Best economy score
    82/100

Porsche 928 5.0 GT V8

  • Most powerful
    330 hp
    246 kW
  • Highest torque
    430 Nm
    317 lb-ft
  • Best overall score
    63/100
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)Facelift 2009S 3.4Porsche9285.0 GT V8
Power
320hp239kW
330hp246kW
Torque
370Nm273lb-ft
430Nm317lb-ft
Curb weight
1,375kg3,031lb
1,580kg3,483lb
Gross weight
1,675kg3,693lb
1,920kg4,233lb
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
275 km/h
171 mph
To 99% top speed
113.8s99% target: 282 km/h / 175 mph
Calculated
85.0s99% target: 272 km/h / 169 mph
Calculated
0-100 km/h
5.1s
5.8s
0-200 km/h
19.7s
19.7s
Calculated
0-60 mph
4.8s
Calculated
5.5s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
21.9L/100 km10.7mpg US12.9mpg UK
Fuel consumption city
14.1L/100 km16.7mpg US20.0mpg UK
-
Fuel consumption highway
6.6L/100 km35.6mpg US42.8mpg UK
9.7L/100 km24.2mpg US29.1mpg UK
Quarter mile
13.3s
Calculated
13.9s
Calculated
Power-to-weight
233hp/t174kW/t106hp/1000 lb
Calculated
209hp/t156kW/t95hp/1000 lb
Calculated
Torque-to-weight
269Nm/t180lb-ft/ton
Calculated
272Nm/t182lb-ft/ton
Calculated
Estimated range
691km430mi
Calculated
393km244mi
Calculated
Displacement
3,436cc210cu in
4,957cc302cu in
Length
4,347mm171in
4,520mm178in
Width
1,801mm71in
1,836mm72in
Height
1,306mm51in
1,282mm50in
Wheelbase
2,415mm95in
2,500mm98in
Front track
1,486mm59in
1,551mm61in
Rear track
1,528mm60in
-
Ground clearance
126mm5in
120mm5in
Trunk volume
260L
-
Doors
2
2
Seats
2
4
Fuel tank
65L
86L
CO2 emissions
221g/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) Facelift 2009 S 3.4Porsche 928 5.0 GT V8PowerTorque
  • Porsche Cayman (987C) Facelift 2009 S 3.4: Power / Torque
  • Porsche 928 5.0 GT V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
PorscheCayman (987C)Facelift 2009S 3.47,200 rpm4,750 rpm7,500 rpm
Porsche9285.0 GT V86,200 rpm4,100 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)Facelift 2009S 3.4Porsche9285.0 GT V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.8 s
5.5 s
0-100 km/h
0-62 mph
5.1 s
5.8 s
0-200 km/h
0-124 mph
19.7 s
19.7 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
275 km/h
171 mph
Drag race simulation
60 ft
18 m
2.0 s
2.3 s
330 ft
101 m
5.6 s
6.1 s
1/8 mile
201 m
8.6 s
9.1 s
1000 ft
305 m
11.2 s
11.7 s
1/4 mile
402 m
13.3 s
13.9 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
170 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW
Porsche9285.0 GT V8
330 hp
246 kW

Porsche 928 5.0 GT V8 has 10 hp more than Porsche Cayman (987C) Facelift 2009 S 3.4.

The biggest power difference is between Porsche Cayman (987C) Facelift 2009 S 3.4 and Porsche 928 5.0 GT V8: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
370 Nm
273 lb-ft
Porsche9285.0 GT V8
430 Nm
317 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
1,375 kg
3,031 lb
Porsche9285.0 GT V8
1,580 kg
3,483 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)Facelift 2009S 3.4
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Porsche9285.0 GT V8
275 km/h
171 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.45.1 s
Porsche9285.0 GT V85.8 s

Although Porsche 928 5.0 GT V8 has more power, Porsche Cayman (987C) Facelift 2009 S 3.4 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Cayman (987C) Facelift 2009 S 3.4 and Porsche 928 5.0 GT V8: 0.7 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Porsche9285.0 GT V8
21.9 L/100 km
10.7 mpg US
12.9 mpg UK

The biggest fuel consumption difference is between Porsche Cayman (987C) Facelift 2009 S 3.4 and Porsche 928 5.0 GT V8: 12.5 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
PorscheCayman (987C)Facelift 2009S 3.4
233 hp/t
174 kW/t
4.3 kg/hp
Porsche9285.0 GT V8
209 hp/t
156 kW/t
4.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)Facelift 2009S 3.4
691 km
430 mi
Porsche9285.0 GT V8
393 km
244 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
PorscheCayman (987C)Facelift 2009S 3.4
320 hp
239 kW
5.1 s
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Porsche9285.0 GT V8
330 hp
246 kW
5.8 s
275 km/h
171 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)Facelift 2009S 3.4
Power
320 hp
239 kW
0-100 km/h5.1 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
4,347 mm
171.1 in
Height
1,306 mm
51.4 in
Porsche9285.0 GT V8
Power
330 hp
246 kW
0-100 km/h5.8 s
Top speed
275 km/h
171 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,520 mm
178.0 in
Height
1,282 mm
50.5 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
PorscheCayman (987C)Facelift 2009S 3.4
Power
320 hp
239 kW
0-100 km/h5.1 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Porsche9285.0 GT V8
Power
330 hp
246 kW
0-100 km/h5.8 s
Top speed
275 km/h
171 mph
21.9 L/100 km
10.7 mpg US
12.9 mpg UK

Porsche Cayman (987C) Facelift 2009 S 3.4 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
PorscheCayman (987C)Facelift 2009S 3.4
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.1 s
Porsche9285.0 GT V8
21.9 L/100 km
10.7 mpg US
12.9 mpg UK
5.8 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
PorscheCayman (987C)Facelift 2009S 3.4
233 hp/t
174 kW/t
4.3 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Porsche9285.0 GT V8
209 hp/t
156 kW/t
4.8 kg/hp
21.9 L/100 km
10.7 mpg US
12.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayman (987C)Facelift 2009S 3.4Porsche9285.0 GT V8
Power
320 hp
239 kW
330 hp
246 kW
Torque
370 Nm
273 lb-ft
430 Nm
317 lb-ft
Acceleration
5.1 s
5.8 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
275 km/h
171 mph
Lightness
1,375 kg
3,031 lb
1,580 kg
3,483 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
21.9 L/100 km
10.7 mpg US
12.9 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk
260 L
9.2 cu ft
Length
4,347 mm
171.1 in
Height
1,306 mm
51.4 in
Doors/seats
2 doors
4 seats
Trunk-
Length
4,520 mm
178.0 in
Height
1,282 mm
50.5 in
Range score
691 km
430 mi
393 km
244 mi
CO2 score
221 g/km
-
Trunk score
260 L
9.2 cu ft
-
Power-to-weight score
233 hp/t
174 kW/t
4.3 kg/hp
209 hp/t
156 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) Facelift 2009 S 3.4Porsche 928 5.0 GT V8
Consumption9.4 L/100 km25 mpg US30.1 mpg UK21.9 L/100 km10.7 mpg US12.9 mpg UK
Cost / 100 km16.45 LC100 km38.32 LC100 km
Cost / 100 mi26.47 LC100 mi61.68 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal3,285 L868 US gal723 UK gal
Annual fuel cost2,468 LC/year5,749 LC/year

Head-to-head comparisons

Porsche Cayman (987C) Facelift 2009 S 3.4

  • Is 205 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 12.5 L/100 km less fuel
  • Has 24 hp/t better power-to-weight
  • Has 299 km (186 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Lowest power

Porsche 928 5.0 GT V8

  • Has 10 hp more
  • Has 60 Nm more

Pros

  • Most powerful
  • Highest torque

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche Cayman (987C) S 3.4
Porsche 928 5.0 GT V8
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2 vehicles selected

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