Car comparison

Jaguar XK Convertible (X150) · Facelift 2009 5.0 V8vsJaguar XK Convertible (X150) 4.2 V8

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

New comparison

Jaguar XK Convertible (X150) · Facelift 2009

5.0 V8

385 hp5000 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2009-2011
VS

Jaguar XK Convertible (X150)

4.2 V8

298 hp4196 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2006-2009

Comparison overview

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

Best choices

Jaguar XK Convertible (X150) Facelift 2009 5.0 V8

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    385 hp
    287 kW
  • Highest torque
    515 Nm
    380 lb-ft
  • Best power-to-weight
    227 hp/t
    169 kW/t
    4.4 kg/hp
  • Lowest combined fuel consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest city consumption
    17.1 L/100 km
    13.8 mpg US
    16.5 mpg UK
  • Lowest highway consumption
    8.0 L/100 km
    29.4 mpg US
    35.3 mpg UK
  • Best estimated range
    630 km
    392 mi
  • Largest trunk
    200 L
  • Best overall score
    61/100
  • Best performance score
    71/100
  • Best economy score
    77/100
  • Best practicality score
    41/100

Specification comparison

Specification comparison
ModelJaguarXK Convertible (X150)Facelift 20095.0 V8JaguarXK Convertible (X150)4.2 V8
Power
385hp287kW
298hp222kW
Torque
515Nm380lb-ft
411Nm303lb-ft
Curb weight
1,696kg3,739lb
1,660kg3,660lb
Gross weight
2,120kg4,674lb
2,075kg4,575lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
72.9s99% target: 257 km/h / 160 mph
Calculated
89.1s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.6s
6.3s
0-200 km/h
19.8s
Calculated
23.2s
Calculated
0-60 mph
5.3s
Calculated
6.0s
Calculated
Fuel consumption
11.2L/100 km21mpg US25.2mpg UK
11.3L/100 km20.8mpg US25.0mpg UK
Fuel consumption city
17.1L/100 km13.8mpg US16.5mpg UK
17.1L/100 km13.8mpg US16.5mpg UK
Fuel consumption highway
8L/100 km29.4mpg US35.3mpg UK
8.1L/100 km29mpg US34.9mpg UK
Quarter mile
13.7s
Calculated
14.4s
Calculated
Power-to-weight
227hp/t169kW/t103hp/1000 lb
Calculated
180hp/t134kW/t81hp/1000 lb
Calculated
Torque-to-weight
304Nm/t203lb-ft/ton
Calculated
248Nm/t166lb-ft/ton
Calculated
Estimated range
630km392mi
Calculated
629km391mi
Calculated
Displacement
5,000cc305cu in
4,196cc256cu in
Length
4,794mm189in
4,791mm189in
Height
1,329mm52in
1,329mm52in
Wheelbase
2,752mm108in
2,752mm108in
Ground clearance
100mm4in
120mm5in
Trunk volume
200L
200L
Max trunk volume
313L
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 Convertible (X150) Facelift 2009 5.0 V8Jaguar XK Convertible (X150) 4.2 V8PowerTorque
  • Jaguar XK Convertible (X150) Facelift 2009 5.0 V8: Power / Torque
  • Jaguar XK Convertible (X150) 4.2 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXK Convertible (X150)Facelift 20095.0 V86,500 rpm3,500 rpm6,750 rpm
JaguarXK Convertible (X150)4.2 V86,000 rpm4,100 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXK Convertible (X150)Facelift 20095.0 V8JaguarXK Convertible (X150)4.2 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
6.0 s
0-100 km/h
0-62 mph
5.6 s
6.3 s
0-200 km/h
0-124 mph
19.8 s
23.2 s
Top speed
Unrestricted
260 km/h162 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
2.3 s
2.4 s
330 ft
101 m
6.0 s
6.3 s
1/8 mile
201 m
9.0 s
9.4 s
1000 ft
305 m
11.6 s
12.1 s
1/4 mile
402 m
13.7 s
14.4 s
Trap speed
1/4 mile
402 m
170 km/h
106 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)Facelift 20095.0 V8
385 hp
287 kW
JaguarXK Convertible (X150)4.2 V8
298 hp
222 kW

Jaguar XK Convertible (X150) Facelift 2009 5.0 V8 has 87 hp more than Jaguar XK Convertible (X150) 4.2 V8.

The biggest power difference is between Jaguar XK Convertible (X150) 4.2 V8 and Jaguar XK Convertible (X150) Facelift 2009 5.0 V8: 87 hp (65 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)Facelift 20095.0 V8
515 Nm
380 lb-ft
JaguarXK Convertible (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
JaguarXK Convertible (X150)Facelift 20095.0 V8
1,696 kg
3,739 lb
JaguarXK Convertible (X150)4.2 V8
1,660 kg
3,660 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 Convertible (X150)Facelift 20095.0 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
JaguarXK Convertible (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
JaguarXK Convertible (X150)Facelift 20095.0 V85.6 s
JaguarXK Convertible (X150)4.2 V86.3 s

The biggest 0-100 km/h difference is between Jaguar XK Convertible (X150) Facelift 2009 5.0 V8 and Jaguar XK Convertible (X150) 4.2 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
JaguarXK Convertible (X150)Facelift 20095.0 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
JaguarXK Convertible (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

Power-to-weight comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)Facelift 20095.0 V8
227 hp/t
169 kW/t
4.4 kg/hp
JaguarXK Convertible (X150)4.2 V8
180 hp/t
134 kW/t
5.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)Facelift 20095.0 V8
630 km
392 mi
JaguarXK Convertible (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
JaguarXK Convertible (X150)Facelift 20095.0 V8
385 hp
287 kW
5.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
JaguarXK Convertible (X150)4.2 V8
298 hp
222 kW
6.3 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 Convertible (X150)Facelift 20095.0 V8
Power
385 hp
287 kW
0-100 km/h5.6 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
4,794 mm
188.7 in
Height
1,329 mm
52.3 in
JaguarXK Convertible (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.3 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 Convertible (X150)Facelift 20095.0 V8
Power
385 hp
287 kW
0-100 km/h5.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
JaguarXK Convertible (X150)4.2 V8
Power
298 hp
222 kW
0-100 km/h6.3 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

Jaguar XK Convertible (X150) Facelift 2009 5.0 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 Convertible (X150)Facelift 20095.0 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
5.6 s
JaguarXK Convertible (X150)4.2 V8
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
6.3 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 Convertible (X150)Facelift 20095.0 V8
227 hp/t
169 kW/t
4.4 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
JaguarXK Convertible (X150)4.2 V8
180 hp/t
134 kW/t
5.6 kg/hp
11.3 L/100 km
20.8 mpg US
25.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXK Convertible (X150)Facelift 20095.0 V8JaguarXK Convertible (X150)4.2 V8
Power
385 hp
287 kW
298 hp
222 kW
Torque
515 Nm
380 lb-ft
411 Nm
303 lb-ft
Acceleration
5.6 s
6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,696 kg
3,739 lb
1,660 kg
3,660 lb
Fuel consumption
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
11.3 L/100 km
20.8 mpg US
25.0 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,794 mm
188.7 in
Height
1,329 mm
52.3 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
630 km
392 mi
629 km
391 mi
Trunk score
200 L
7.1 cu ft
200 L
7.1 cu ft
Power-to-weight score
227 hp/t
169 kW/t
4.4 kg/hp
180 hp/t
134 kW/t
5.6 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 Convertible (X150) Facelift 2009 5.0 V8Jaguar XK Convertible (X150) 4.2 V8
Consumption11.2 L/100 km21 mpg US25.2 mpg UK11.3 L/100 km20.8 mpg US25 mpg UK
Cost / 100 km19.60 LC100 km19.78 LC100 km
Cost / 100 mi31.54 LC100 mi31.82 LC100 mi
Annual fuel used1,680 L444 US gal370 UK gal1,695 L448 US gal373 UK gal
Annual fuel cost2,940 LC/year2,966 LC/year

Head-to-head comparisons

Jaguar XK Convertible (X150) Facelift 2009 5.0 V8

  • Has 87 hp more
  • Has 104 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Uses 0.1 L/100 km less fuel
  • Has 47 hp/t better power-to-weight
  • Has 1 km (1 mi) more estimated range

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XK Convertible (X150) 5.0 V8
Jaguar XK Convertible (X150) 4.2 V8
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Jaguar XK Convertible (X150) · Facelift 2009 5.0 V8 vs Jaguar XK Convertible (X150) 4.2 V8 - car comparison - FastVsFaster