Car comparison

Porsche Cayman (987C) S 3.4vsJaguar XK Coupe (X150) 4.2 V8

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

Jaguar XK Coupe (X150)

4.2 V8

298 hp4196 ccGasolineRWDAutomaticNaturally aspiratedCoupe2006-2009

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 combined fuel consumption
    10.6 L/100 km
    22.2 mpg US
    26.6 mpg UK
  • 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
  • Best overall score
    58/100
  • Best performance score
    68/100
  • Best economy score
    78/100

Jaguar XK Coupe (X150) 4.2 V8

  • Most powerful
    298 hp
    222 kW
  • Highest torque
    411 Nm
    303 lb-ft
  • Best estimated range
    629 km
    391 mi
  • Largest trunk
    300 L
  • Best practicality score
    47/100

Specification comparison

Specification comparison
ModelPorscheCayman (987C)S 3.4JaguarXK Coupe (X150)4.2 V8
Power
295hp220kW
298hp222kW
Torque
340Nm251lb-ft
411Nm303lb-ft
Curb weight
1,350kg2,976lb
1,645kg3,627lb
Gross weight
1,630kg3,594lb
2,035kg4,486lb
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
92.6s99% target: 282 km/h / 175 mph
Calculated
86.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.4s
6.2s
0-200 km/h
18.6s
22.7s
Calculated
0-60 mph
5.1s
Calculated
5.9s
Calculated
Fuel consumption
10.6L/100 km22.2mpg US26.6mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption city
15.3L/100 km15.4mpg US18.5mpg UK
17.1L/100 km13.8mpg US16.5mpg UK
Fuel consumption highway
7.8L/100 km30.2mpg US36.2mpg UK
8.1L/100 km29mpg US34.9mpg UK
Quarter mile
13.5s
Calculated
14.3s
Calculated
Power-to-weight
219hp/t163kW/t99hp/1000 lb
Calculated
181hp/t135kW/t82hp/1000 lb
Calculated
Torque-to-weight
252Nm/t169lb-ft/ton
Calculated
250Nm/t167lb-ft/ton
Calculated
Estimated range
604km375mi
Calculated
629km391mi
Calculated
Displacement
3,386cc207cu in
4,196cc256cu in
Length
4,341mm171in
4,791mm189in
Width
1,801mm71in
1,892mm74in
Height
1,305mm51in
1,322mm52in
Wheelbase
2,415mm95in
2,752mm108in
Front track
1,486mm59in
-
Rear track
1,528mm60in
-
Ground clearance
121mm5in
120mm5in
Trunk volume
260L
300L
Doors
2
2
Seats
2
4
Fuel tank
64L
71L
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 3.4Jaguar XK Coupe (X150) 4.2 V8PowerTorque
  • Porsche Cayman (987C) S 3.4: Power / Torque
  • Jaguar XK Coupe (X150) 4.2 V8: 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
JaguarXK Coupe (X150)4.2 V86,000 rpm4,100 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorscheCayman (987C)S 3.4JaguarXK Coupe (X150)4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.9 s
0-100 km/h
0-62 mph
5.4 s
6.2 s
0-200 km/h
0-124 mph
18.6 s
22.7 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.9 s
6.2 s
1/8 mile
201 m
8.8 s
9.4 s
1000 ft
305 m
11.4 s
12.0 s
1/4 mile
402 m
13.5 s
14.3 s
Trap speed
1/4 mile
402 m
172 km/h
107 mph
163 km/h
101 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
JaguarXK Coupe (X150)4.2 V8
298 hp
222 kW

Jaguar XK Coupe (X150) 4.2 V8 has 3 hp more than Porsche Cayman (987C) S 3.4.

The biggest power difference is between Porsche Cayman (987C) S 3.4 and Jaguar XK Coupe (X150) 4.2 V8: 3 hp (2 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
JaguarXK Coupe (X150)4.2 V8
411 Nm
303 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
JaguarXK Coupe (X150)4.2 V8
1,645 kg
3,627 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
JaguarXK Coupe (X150)4.2 V8
Unrestricted
260 km/h162 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
PorscheCayman (987C)S 3.45.4 s
JaguarXK Coupe (X150)4.2 V86.2 s

Although Jaguar XK Coupe (X150) 4.2 V8 has more power, Porsche Cayman (987C) S 3.4 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche Cayman (987C) S 3.4 and Jaguar XK Coupe (X150) 4.2 V8: 0.8 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)S 3.4
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
JaguarXK Coupe (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

The biggest fuel consumption difference is between Porsche Cayman (987C) S 3.4 and Jaguar XK Coupe (X150) 4.2 V8: 0.7 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
PorscheCayman (987C)S 3.4
219 hp/t
163 kW/t
4.6 kg/hp
JaguarXK Coupe (X150)4.2 V8
181 hp/t
135 kW/t
5.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
PorscheCayman (987C)S 3.4
604 km
375 mi
JaguarXK Coupe (X150)4.2 V8
629 km
391 mi

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
JaguarXK Coupe (X150)4.2 V8
298 hp
222 kW
6.2 s
Unrestricted
260 km/h162 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
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
JaguarXK Coupe (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,791 mm
188.6 in
Height
1,322 mm
52.0 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
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
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
JaguarXK Coupe (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

Porsche Cayman (987C) 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)S 3.4
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
5.4 s
JaguarXK Coupe (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
6.2 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)S 3.4
219 hp/t
163 kW/t
4.6 kg/hp
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
JaguarXK Coupe (X150)4.2 V8
181 hp/t
135 kW/t
5.5 kg/hp
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorscheCayman (987C)S 3.4JaguarXK Coupe (X150)4.2 V8
Power
295 hp
220 kW
298 hp
222 kW
Torque
340 Nm
251 lb-ft
411 Nm
303 lb-ft
Acceleration
5.4 s
6.2 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
275 km/h171 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,350 kg
2,976 lb
1,645 kg
3,627 lb
Fuel consumption
10.6 L/100 km
22.2 mpg US
26.6 mpg UK
11.3 L/100 km
20.8 mpg US
25.0 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
4 seats
Trunk
300 L
10.6 cu ft
Length
4,791 mm
188.6 in
Height
1,322 mm
52.0 in
Range score
604 km
375 mi
629 km
391 mi
CO2 score
254 g/km
-
Trunk score
260 L
9.2 cu ft
300 L
10.6 cu ft
Power-to-weight score
219 hp/t
163 kW/t
4.6 kg/hp
181 hp/t
135 kW/t
5.5 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 3.4Jaguar XK Coupe (X150) 4.2 V8
Consumption10.6 L/100 km22.2 mpg US26.6 mpg UK11.3 L/100 km20.8 mpg US25 mpg UK
Cost / 100 km18.55 LC100 km19.78 LC100 km
Cost / 100 mi29.85 LC100 mi31.82 LC100 mi
Annual fuel used1,590 L420 US gal350 UK gal1,695 L448 US gal373 UK gal
Annual fuel cost2,783 LC/year2,966 LC/year

Head-to-head comparisons

Porsche Cayman (987C) S 3.4

  • Is 295 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 25 km/h (16 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 37 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

Jaguar XK Coupe (X150) 4.2 V8

  • Has 3 hp more
  • Has 71 Nm more
  • Has 25 km (16 mi) more estimated range
  • Has 40 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

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
Jaguar XK Coupe (X150) 4.2 V8
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