Car comparison

Jaguar XK Convertible (X150) R 4.2 V8vsBMW 6 Series Convertible (E64) · Facelift 2007 650i

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

New comparison

Jaguar XK Convertible (X150)

R 4.2 V8

416 hp4196 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2006-2009
VS

BMW 6 Series Convertible (E64) · Facelift 2007

650i

367 hp4799 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2007-2010

Comparison overview

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

Best choices

Jaguar XK Convertible (X150) R 4.2 V8

  • Quickest 0-100 km/h
    5.3 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    416 hp
    310 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Lightest
    1,710 kg
    3,770 lb
  • Best power-to-weight
    243 hp/t
    181 kW/t
    4.1 kg/hp
  • Lowest combined fuel consumption
    12.3 L/100 km
    19.1 mpg US
    23.0 mpg UK
  • Lowest city consumption
    19.1 L/100 km
    12.3 mpg US
    14.8 mpg UK
  • Lowest highway consumption
    8.6 L/100 km
    27.4 mpg US
    32.8 mpg UK
  • Best estimated range
    578 km
    359 mi
  • Best overall score
    63/100
  • Best performance score
    74/100
  • Best economy score
    74/100

Specification comparison

Specification comparison
ModelJaguarXK Convertible (X150)R 4.2 V8BMW6 Series Convertible (E64)Facelift 2007650i
Power
416hp310kW
367hp274kW
Torque
560Nm413lb-ft
490Nm361lb-ft
Curb weight
1,710kg3,770lb
1,860kg4,101lb
Gross weight
2,120kg4,674lb
2,260kg4,982lb
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
67.9s99% target: 257 km/h / 160 mph
Calculated
76.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
5.5s
0-200 km/h
18.6s
Calculated
20.1s
Calculated
0-60 mph
5.0s
Calculated
5.2s
Calculated
Fuel consumption
12.3L/100 km19.1mpg US23.0mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption city
19.1L/100 km12.3mpg US14.8mpg UK
19.2L/100 km12.3mpg US14.7mpg UK
Fuel consumption highway
8.6L/100 km27.4mpg US32.8mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile
13.4s
Calculated
13.6s
Calculated
Power-to-weight
243hp/t181kW/t110hp/1000 lb
Calculated
197hp/t147kW/t89hp/1000 lb
Calculated
Torque-to-weight
327Nm/t219lb-ft/ton
Calculated
263Nm/t176lb-ft/ton
Calculated
Estimated range
578km359mi
Calculated
556km345mi
Calculated
Displacement
4,196cc256cu in
4,799cc293cu in
Length
4,791mm189in
4,820mm190in
Width-
1,855mm73in
Height
1,329mm52in
1,374mm54in
Wheelbase
2,752mm108in
2,780mm109in
Front track-
1,558mm61in
Rear track-
1,596mm63in
Ground clearance
120mm5in
-
Trunk volume
200L
300L
Max trunk volume
283L
350L
Doors
2
2
Seats
4
4
Fuel tank
71L
70L
CO2 emissions-
299g/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.

Jaguar XK Convertible (X150) R 4.2 V8BMW 6 Series Convertible (E64) Facelift 2007 650iPowerTorque
  • Jaguar XK Convertible (X150) R 4.2 V8: Power / Torque
  • BMW 6 Series Convertible (E64) Facelift 2007 650i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXK Convertible (X150)R 4.2 V86,250 rpm4,000 rpm6,500 rpm
BMW6 Series Convertible (E64)Facelift 2007650i6,300 rpm3,400 rpm6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXK Convertible (X150)R 4.2 V8BMW6 Series Convertible (E64)Facelift 2007650i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.2 s
0-100 km/h
0-62 mph
5.3 s
5.5 s
0-200 km/h
0-124 mph
18.6 s
20.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
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
11.3 s
11.5 s
1/4 mile
402 m
13.4 s
13.6 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
169 km/h
105 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW
BMW6 Series Convertible (E64)Facelift 2007650i
367 hp
274 kW

Jaguar XK Convertible (X150) R 4.2 V8 has 49 hp more than BMW 6 Series Convertible (E64) Facelift 2007 650i.

The biggest power difference is between BMW 6 Series Convertible (E64) Facelift 2007 650i and Jaguar XK Convertible (X150) R 4.2 V8: 49 hp (37 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)R 4.2 V8
560 Nm
413 lb-ft
BMW6 Series Convertible (E64)Facelift 2007650i
490 Nm
361 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)R 4.2 V8
1,710 kg
3,770 lb
BMW6 Series Convertible (E64)Facelift 2007650i
1,860 kg
4,101 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)R 4.2 V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Convertible (E64)Facelift 2007650i
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)R 4.2 V85.3 s
BMW6 Series Convertible (E64)Facelift 2007650i5.5 s

The biggest 0-100 km/h difference is between Jaguar XK Convertible (X150) R 4.2 V8 and BMW 6 Series Convertible (E64) Facelift 2007 650i: 0.2 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)R 4.2 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
BMW6 Series Convertible (E64)Facelift 2007650i
12.6 L/100 km
18.7 mpg US
22.4 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)R 4.2 V8
243 hp/t
181 kW/t
4.1 kg/hp
BMW6 Series Convertible (E64)Facelift 2007650i
197 hp/t
147 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXK Convertible (X150)R 4.2 V8
578 km
359 mi
BMW6 Series Convertible (E64)Facelift 2007650i
556 km
345 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXK Convertible (X150)R 4.2 V8
416 hp
310 kW
5.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW6 Series Convertible (E64)Facelift 2007650i
367 hp
274 kW
5.5 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)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
BMW6 Series Convertible (E64)Facelift 2007650i
Power
367 hp
274 kW
0-100 km/h5.5 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
4,820 mm
189.8 in
Height
1,374 mm
54.1 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)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
BMW6 Series Convertible (E64)Facelift 2007650i
Power
367 hp
274 kW
0-100 km/h5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.6 L/100 km
18.7 mpg US
22.4 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 Convertible (X150)R 4.2 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
5.3 s
BMW6 Series Convertible (E64)Facelift 2007650i
12.6 L/100 km
18.7 mpg US
22.4 mpg UK
5.5 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)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
BMW6 Series Convertible (E64)Facelift 2007650i
197 hp/t
147 kW/t
5.1 kg/hp
12.6 L/100 km
18.7 mpg US
22.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXK Convertible (X150)R 4.2 V8BMW6 Series Convertible (E64)Facelift 2007650i
Power
416 hp
310 kW
367 hp
274 kW
Torque
560 Nm
413 lb-ft
490 Nm
361 lb-ft
Acceleration
5.3 s
5.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,710 kg
3,770 lb
1,860 kg
4,101 lb
Fuel consumption
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
12.6 L/100 km
18.7 mpg US
22.4 mpg UK
Practicality
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
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,820 mm
189.8 in
Height
1,374 mm
54.1 in
Range score
578 km
359 mi
556 km
345 mi
CO2 score
-
299 g/km
Trunk score
200 L
7.1 cu ft
300 L
10.6 cu ft
Power-to-weight score
243 hp/t
181 kW/t
4.1 kg/hp
197 hp/t
147 kW/t
5.1 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 Convertible (X150) R 4.2 V8BMW 6 Series Convertible (E64) Facelift 2007 650i
Consumption12.3 L/100 km19.1 mpg US23 mpg UK12.6 L/100 km18.7 mpg US22.4 mpg UK
Cost / 100 km21.53 LC100 km22.05 LC100 km
Cost / 100 mi34.64 LC100 mi35.49 LC100 mi
Annual fuel used1,845 L487 US gal406 UK gal1,890 L499 US gal416 UK gal
Annual fuel cost3,229 LC/year3,308 LC/year

Head-to-head comparisons

Jaguar XK Convertible (X150) R 4.2 V8

  • Has 49 hp more
  • Has 70 Nm more
  • Is 150 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.3 L/100 km less fuel
  • Has 46 hp/t better power-to-weight
  • Has 22 km (14 mi) more estimated range

Pros

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

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XK Convertible (X150) R 4.2 V8
BMW 6 Series Convertible (E64) 650i
Compare selected cars
2 vehicles selected

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