Car comparison

Jaguar XK Coupe (X150) 4.2 V8vsJaguar XK Convertible (X150) R 4.2 V8

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

New comparison

Jaguar XK Coupe (X150)

4.2 V8

298 hp4196 ccGasolineRWDAutomaticNaturally aspiratedCoupe2006-2009
VS

Jaguar XK Convertible (X150)

R 4.2 V8

416 hp4196 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2006-2009

Comparison overview

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

Best choices

Jaguar XK Coupe (X150) 4.2 V8

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,645 kg
    3,627 lb
  • Lowest combined fuel consumption
    11.3 L/100 km
    20.8 mpg US
    25.0 mpg UK
  • Lowest city consumption
    17.1 L/100 km
    13.8 mpg US
    16.5 mpg UK
  • Lowest highway consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Best estimated range
    629 km
    391 mi
  • Largest trunk
    300 L
  • Best economy score
    77/100
  • Best practicality score
    47/100

Jaguar XK Convertible (X150) R 4.2 V8

  • Quickest 0-100 km/h
    5.3 s
  • Most powerful
    416 hp
    310 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Best power-to-weight
    243 hp/t
    181 kW/t
    4.1 kg/hp
  • Best overall score
    63/100
  • Best performance score
    74/100

Specification comparison

Specification comparison
ModelJaguarXK Coupe (X150)4.2 V8JaguarXK Convertible (X150)R 4.2 V8
Power
298hp222kW
416hp310kW
Torque
411Nm303lb-ft
560Nm413lb-ft
Curb weight
1,645kg3,627lb
1,710kg3,770lb
Gross weight
2,035kg4,486lb
2,120kg4,674lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
88.7s99% target: 262 km/h / 163 mph
Calculated
67.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.2s
5.3s
0-200 km/h
22.1s
Calculated
18.6s
Calculated
0-60 mph
5.9s
Calculated
5.0s
Calculated
Fuel consumption
11.3L/100 km20.8mpg US25.0mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
17.1L/100 km13.8mpg US16.5mpg UK
19.1L/100 km12.3mpg US14.8mpg UK
Fuel consumption highway
8.1L/100 km29mpg US34.9mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
14.2s
Calculated
13.4s
Calculated
Power-to-weight
181hp/t135kW/t82hp/1000 lb
Calculated
243hp/t181kW/t110hp/1000 lb
Calculated
Torque-to-weight
250Nm/t167lb-ft/ton
Calculated
327Nm/t219lb-ft/ton
Calculated
Estimated range
629km391mi
Calculated
578km359mi
Calculated
Displacement
4,196cc256cu in
4,196cc256cu in
Length
4,791mm189in
4,791mm189in
Height
1,322mm52in
1,329mm52in
Wheelbase
2,752mm108in
2,752mm108in
Ground clearance
120mm5in
120mm5in
Trunk volume
300L
200L
Max trunk volume-
283L
Doors
2
2
Seats
4
4
Fuel tank
71L
71L

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.

Jaguar XK Coupe (X150) 4.2 V8Jaguar XK Convertible (X150) R 4.2 V8PowerTorque
  • Jaguar XK Coupe (X150) 4.2 V8: Power / Torque
  • Jaguar XK Convertible (X150) R 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXK Coupe (X150)4.2 V86,000 rpm4,100 rpm6,250 rpm
JaguarXK Convertible (X150)R 4.2 V86,250 rpm4,000 rpm6,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXK Coupe (X150)4.2 V8JaguarXK Convertible (X150)R 4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
5.0 s
0-100 km/h
0-62 mph
6.2 s
5.3 s
0-200 km/h
0-124 mph
22.1 s
18.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.2 s
330 ft
101 m
6.2 s
5.9 s
1/8 mile
201 m
9.4 s
8.8 s
1000 ft
305 m
12.0 s
11.3 s
1/4 mile
402 m
14.2 s
13.4 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
298 hp
222 kW
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW

Jaguar XK Convertible (X150) R 4.2 V8 has 118 hp more than Jaguar XK Coupe (X150) 4.2 V8.

The biggest power difference is between Jaguar XK Coupe (X150) 4.2 V8 and Jaguar XK Convertible (X150) R 4.2 V8: 118 hp (88 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
411 Nm
303 lb-ft
JaguarXK Convertible (X150)R 4.2 V8
560 Nm
413 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
1,645 kg
3,627 lb
JaguarXK Convertible (X150)R 4.2 V8
1,710 kg
3,770 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXK Convertible (X150)R 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
JaguarXK Coupe (X150)4.2 V86.2 s
JaguarXK Convertible (X150)R 4.2 V85.3 s

The biggest 0-100 km/h difference is between Jaguar XK Convertible (X150) R 4.2 V8 and Jaguar XK Coupe (X150) 4.2 V8: 0.9 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
JaguarXK Convertible (X150)R 4.2 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between Jaguar XK Coupe (X150) 4.2 V8 and Jaguar XK Convertible (X150) R 4.2 V8: 1.0 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
JaguarXK Coupe (X150)4.2 V8
181 hp/t
135 kW/t
5.5 kg/hp
JaguarXK Convertible (X150)R 4.2 V8
243 hp/t
181 kW/t
4.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXK Coupe (X150)4.2 V8
629 km
391 mi
JaguarXK Convertible (X150)R 4.2 V8
578 km
359 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXK Coupe (X150)4.2 V8
298 hp
222 kW
6.2 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW
5.3 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
JaguarXK Coupe (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 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
JaguarXK Convertible (X150)R 4.2 V8
Power
416 hp
310 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,791 mm
188.6 in
Height
1,329 mm
52.3 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
JaguarXK Coupe (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
JaguarXK Convertible (X150)R 4.2 V8
Power
416 hp
310 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Jaguar XK Convertible (X150) R 4.2 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
JaguarXK Coupe (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
6.2 s
JaguarXK Convertible (X150)R 4.2 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.3 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
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
JaguarXK Convertible (X150)R 4.2 V8
243 hp/t
181 kW/t
4.1 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXK Coupe (X150)4.2 V8JaguarXK Convertible (X150)R 4.2 V8
Power
298 hp
222 kW
416 hp
310 kW
Torque
411 Nm
303 lb-ft
560 Nm
413 lb-ft
Acceleration
6.2 s
5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,645 kg
3,627 lb
1,710 kg
3,770 lb
Fuel consumption
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,791 mm
188.6 in
Height
1,329 mm
52.3 in
Range score
629 km
391 mi
578 km
359 mi
Trunk score
300 L
10.6 cu ft
200 L
7.1 cu ft
Power-to-weight score
181 hp/t
135 kW/t
5.5 kg/hp
243 hp/t
181 kW/t
4.1 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
VehicleJaguar XK Coupe (X150) 4.2 V8Jaguar XK Convertible (X150) R 4.2 V8
Consumption11.3 L/100 km20.8 mpg US25 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km19.78 LC100 km21.53 LC100 km
Cost / 100 mi31.82 LC100 mi34.64 LC100 mi
Annual fuel used1,695 L448 US gal373 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,966 LC/year3,229 LC/year

Head-to-head comparisons

Jaguar XK Coupe (X150) 4.2 V8

  • Is 65 kg lighter
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.0 L/100 km less fuel
  • Has 51 km (32 mi) more estimated range
  • Has 100 L more trunk volume

Pros

  • Highest top speed
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Jaguar XK Convertible (X150) R 4.2 V8

  • Has 118 hp more
  • Has 149 Nm more
  • Is 0.9 s quicker from 0-100 km/h
  • Has 62 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XK Coupe (X150) 4.2 V8
Jaguar XK Convertible (X150) R 4.2 V8
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