Car comparison

Alpina B6 Cabrio (F12) 4.4 V8vsJaguar XK Convertible (X150) · Facelift 2011 R-S 5.0 V8

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

New comparison

Alpina B6 Cabrio (F12)

4.4 V8

540 hp4395 ccGasolineRWDAutomaticTwin-turboCabriolet / convertible2012-2015
VS

Jaguar XK Convertible (X150) · Facelift 2011

R-S 5.0 V8

550 hp5000 ccGasolineRWDAutomaticSuperchargedCabriolet / convertible2011-2014

Comparison overview

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

Best choices

Alpina B6 Cabrio (F12) 4.4 V8

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    317 km/h
    197 mph
  • Highest torque
    730 Nm
    538 lb-ft
  • Lowest combined fuel consumption
    9.6 L/100 km
    24.5 mpg US
    29.4 mpg UK
  • Lowest city consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest highway consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Best estimated range
    729 km
    453 mi
  • Largest trunk
    300 L
  • Best overall score
    74/100
  • Best performance score
    88/100
  • Best economy score
    81/100
  • Best practicality score
    45/100

Specification comparison

Specification comparison
ModelAlpinaB6 Cabrio (F12)4.4 V8JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Power
540hp403kW
550hp410kW
Torque
730Nm538lb-ft
680Nm502lb-ft
Curb weight
2,020kg4,453lb
1,800kg3,968lb
Gross weight
2,430kg5,357lb
2,185kg4,817lb
Top speed
317 km/h
197 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
74.9s99% target: 314 km/h / 195 mph
Calculated
65.4s99% target: 307 km/h / 191 mph
Calculated
0-100 km/h
4.4s
4.4s
0-200 km/h
13.2s
Calculated
12.8s
Calculated
0-60 mph
4.2s
Calculated
4.2s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
12.3L/100 km19.1mpg US23.0mpg UK
Fuel consumption city
13.2L/100 km17.8mpg US21.4mpg UK
18.9L/100 km12.4mpg US14.9mpg UK
Fuel consumption highway
7.5L/100 km31.4mpg US37.7mpg UK
8.6L/100 km27.4mpg US32.8mpg UK
Quarter mile
12.3s
Calculated
12.3s
Calculated
Power-to-weight
267hp/t199kW/t121hp/1000 lb
Calculated
306hp/t228kW/t139hp/1000 lb
Calculated
Torque-to-weight
361Nm/t242lb-ft/ton
Calculated
378Nm/t253lb-ft/ton
Calculated
Estimated range
729km453mi
Calculated
574km357mi
Calculated
Displacement
4,395cc268cu in
5,000cc305cu in
Length
4,894mm193in
4,804mm189in
Width
1,894mm75in
-
Height
1,373mm54in
1,319mm52in
Wheelbase
2,855mm112in
2,752mm108in
Front track
1,594mm63in
-
Rear track
1,637mm64in
-
Ground clearance-
100mm4in
Trunk volume
300L
200L
Max trunk volume
350L
313L
Doors
2
2
Seats
4
4
Fuel tank
70L
71L
CO2 emissions
224g/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.

Alpina B6 Cabrio (F12) 4.4 V8Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8PowerTorque
  • Alpina B6 Cabrio (F12) 4.4 V8: Power / Torque
  • Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB6 Cabrio (F12)4.4 V85,200-6,250 rpm2,800-5,000 rpm6,500 rpm
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V86,000-6,500 rpm2,500-5,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB6 Cabrio (F12)4.4 V8JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.2 s
0-100 km/h
0-62 mph
4.4 s
4.4 s
0-200 km/h
0-124 mph
13.2 s
12.8 s
Top speed
317 km/h
197 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.5 s
1/8 mile
201 m
8.1 s
8.1 s
1000 ft
305 m
10.4 s
10.4 s
1/4 mile
402 m
12.3 s
12.3 s
Trap speed
1/4 mile
402 m
193 km/h
120 mph
195 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
540 hp
403 kW
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
550 hp
410 kW

Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8 has 10 hp more than Alpina B6 Cabrio (F12) 4.4 V8.

The biggest power difference is between Alpina B6 Cabrio (F12) 4.4 V8 and Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
730 Nm
538 lb-ft
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
680 Nm
502 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
2,020 kg
4,453 lb
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
1,800 kg
3,968 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
317 km/h
197 mph
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V84.4 s
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V84.4 s

Although Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8 has more power, Alpina B6 Cabrio (F12) 4.4 V8 is quicker from 0-100 km/h.

Fuel consumption comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

The biggest fuel consumption difference is between Alpina B6 Cabrio (F12) 4.4 V8 and Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8: 2.7 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
AlpinaB6 Cabrio (F12)4.4 V8
267 hp/t
199 kW/t
3.7 kg/hp
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
306 hp/t
228 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB6 Cabrio (F12)4.4 V8
729 km
453 mi
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
574 km
357 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB6 Cabrio (F12)4.4 V8
540 hp
403 kW
4.4 s
317 km/h
197 mph
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
550 hp
410 kW
4.4 s
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 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
AlpinaB6 Cabrio (F12)4.4 V8
Power
540 hp
403 kW
0-100 km/h4.4 s
Top speed
317 km/h
197 mph
Doors/seats
2 doors
4 seats
Trunk
300 L
10.6 cu ft
Length
4,894 mm
192.7 in
Height
1,373 mm
54.1 in
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Power
550 hp
410 kW
0-100 km/h4.4 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,804 mm
189.1 in
Height
1,319 mm
51.9 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
AlpinaB6 Cabrio (F12)4.4 V8
Power
540 hp
403 kW
0-100 km/h4.4 s
Top speed
317 km/h
197 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Power
550 hp
410 kW
0-100 km/h4.4 s
Top speed
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Alpina B6 Cabrio (F12) 4.4 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
AlpinaB6 Cabrio (F12)4.4 V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
4.4 s
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
12.3 L/100 km
19.1 mpg US
23.0 mpg UK
4.4 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
AlpinaB6 Cabrio (F12)4.4 V8
267 hp/t
199 kW/t
3.7 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
306 hp/t
228 kW/t
3.3 kg/hp
12.3 L/100 km
19.1 mpg US
23.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB6 Cabrio (F12)4.4 V8JaguarXK Convertible (X150)Facelift 2011R-S 5.0 V8
Power
540 hp
403 kW
550 hp
410 kW
Torque
730 Nm
538 lb-ft
680 Nm
502 lb-ft
Acceleration
4.4 s
4.4 s
Top speed
317 km/h
197 mph
Unrestricted
310 km/h193 mph
Restricted
300 km/h186 mph
Lightness
2,020 kg
4,453 lb
1,800 kg
3,968 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 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
4,894 mm
192.7 in
Height
1,373 mm
54.1 in
Doors/seats
2 doors
4 seats
Trunk
200 L
7.1 cu ft
Length
4,804 mm
189.1 in
Height
1,319 mm
51.9 in
Range score
729 km
453 mi
574 km
357 mi
CO2 score
224 g/km
-
Trunk score
300 L
10.6 cu ft
200 L
7.1 cu ft
Power-to-weight score
267 hp/t
199 kW/t
3.7 kg/hp
306 hp/t
228 kW/t
3.3 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
VehicleAlpina B6 Cabrio (F12) 4.4 V8Jaguar XK Convertible (X150) Facelift 2011 R-S 5.0 V8
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK12.3 L/100 km19.1 mpg US23 mpg UK
Cost / 100 km16.80 LC100 km21.53 LC100 km
Cost / 100 mi27.04 LC100 mi34.64 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,845 L487 US gal406 UK gal
Annual fuel cost2,520 LC/year3,229 LC/year

Head-to-head comparisons

Alpina B6 Cabrio (F12) 4.4 V8

  • Has 50 Nm more
  • Has 7 km/h (4 mph) higher top speed
  • Uses 2.7 L/100 km less fuel
  • Has 155 km (96 mi) more estimated range
  • Has 100 L more trunk volume

Pros

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

Cons

  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B6 Cabrio (F12) 4.4 V8
Jaguar XK Convertible (X150) R-S 5.0 V8
Compare selected cars
2 vehicles selected

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