Car comparison

Alpina B7 (G12) 4.4 V8vsJaguar XJ (X351) · Facelift 2015 R 5.0 V8

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

New comparison

Alpina B7 (G12)

4.4 V8

608 hp4395 ccGasolineAWDAutomaticTwin-turboSedan2016-2018
VS

Jaguar XJ (X351) · Facelift 2015

R 5.0 V8

575 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2017-2018

Comparison overview

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

Best choices

Alpina B7 (G12) 4.4 V8

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    325 km/h
    202 mph Unrestricted
    310 km/h
    193 mph Restricted
  • Most powerful
    608 hp
    453 kW
  • Highest torque
    800 Nm
    590 lb-ft
  • Lowest combined fuel consumption
    10.4 L/100 km
    22.6 mpg US
    27.2 mpg UK
  • Lowest CO2 emissions
    242 g/km
  • Best estimated range
    750 km
    466 mi
  • Best overall score
    85/100
  • Best performance score
    91/100
  • Best economy score
    79/100

Specification comparison

Specification comparison
ModelAlpinaB7 (G12)4.4 V8JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
608hp453kW
575hp429kW
Torque
800Nm590lb-ft
700Nm516lb-ft
Curb weight
2,035kg4,486lb
1,875kg4,134lb
Gross weight
2,735kg6,030lb
-
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Calculated
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
41.9s99% target: 322 km/h / 200 mph
Calculated
49.5s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
3.7s
4.4s
0-200 km/h
9.3s
Calculated
11.3s
Calculated
0-60 mph
3.6s
Calculated
4.2s
Calculated
Fuel consumption
10.4L/100 km22.6mpg US27.2mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption city
14.7L/100 km16mpg US19.2mpg UK
-
Fuel consumption highway
7.9L/100 km29.8mpg US35.8mpg UK
-
Quarter mile
11.1s
Calculated
12.0s
Calculated
Power-to-weight
299hp/t223kW/t136hp/1000 lb
Calculated
307hp/t229kW/t139hp/1000 lb
Calculated
Torque-to-weight
393Nm/t263lb-ft/ton
Calculated
373Nm/t250lb-ft/ton
Calculated
Estimated range
750km466mi
Calculated
721km448mi
Calculated
Displacement
4,395cc268cu in
5,000cc305cu in
Length
5,250mm207in
5,130mm202in
Width
1,902mm75in
1,899mm75in
Height
1,491mm59in
1,460mm57in
Wheelbase
3,210mm126in
3,032mm119in
Front track
1,622mm64in
1,626mm64in
Rear track
1,619mm64in
1,604mm63in
Trunk volume
515L
-
Doors
4
4
Seats
4
5
Fuel tank
78L
80L
CO2 emissions
242g/km
264g/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 B7 (G12) 4.4 V8Jaguar XJ (X351) Facelift 2015 R 5.0 V8PowerTorque
  • Alpina B7 (G12) 4.4 V8: Power / Torque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB7 (G12)4.4 V85,750-6,250 rpm3,000-5,000 rpm6,500 rpm
JaguarXJ (X351)Facelift 2015R 5.0 V86,250-6,500 rpm3,500-4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB7 (G12)4.4 V8JaguarXJ (X351)Facelift 2015R 5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.6 s
4.2 s
0-100 km/h
0-62 mph
3.7 s
4.4 s
0-200 km/h
0-124 mph
9.3 s
11.3 s
0-200 mph
0-322 km/h
42.2 s
-
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Likely limited
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.3 s
330 ft
101 m
5.2 s
5.6 s
1/8 mile
201 m
7.5 s
8.1 s
1000 ft
305 m
9.5 s
10.3 s
1/4 mile
402 m
11.1 s
12.0 s
Trap speed
1/4 mile
402 m
223 km/h
139 mph
207 km/h
129 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB7 (G12)4.4 V8
608 hp
453 kW
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW

Alpina B7 (G12) 4.4 V8 has 33 hp more than Jaguar XJ (X351) Facelift 2015 R 5.0 V8.

The biggest power difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Alpina B7 (G12) 4.4 V8: 33 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB7 (G12)4.4 V8
800 Nm
590 lb-ft
JaguarXJ (X351)Facelift 2015R 5.0 V8
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB7 (G12)4.4 V8
2,035 kg
4,486 lb
JaguarXJ (X351)Facelift 2015R 5.0 V8
1,875 kg
4,134 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AlpinaB7 (G12)4.4 V8
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
JaguarXJ (X351)Facelift 2015R 5.0 V8
Unrestricted
315 km/h196 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
AlpinaB7 (G12)4.4 V83.7 s
JaguarXJ (X351)Facelift 2015R 5.0 V84.4 s

The biggest 0-100 km/h difference is between Alpina B7 (G12) 4.4 V8 and Jaguar XJ (X351) Facelift 2015 R 5.0 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
AlpinaB7 (G12)4.4 V8
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
JaguarXJ (X351)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

The biggest fuel consumption difference is between Alpina B7 (G12) 4.4 V8 and Jaguar XJ (X351) Facelift 2015 R 5.0 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
AlpinaB7 (G12)4.4 V8
299 hp/t
223 kW/t
3.3 kg/hp
JaguarXJ (X351)Facelift 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB7 (G12)4.4 V8
750 km
466 mi
JaguarXJ (X351)Facelift 2015R 5.0 V8
721 km
448 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB7 (G12)4.4 V8
608 hp
453 kW
3.7 s
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
4.4 s
Unrestricted
315 km/h196 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
AlpinaB7 (G12)4.4 V8
Power
608 hp
453 kW
0-100 km/h3.7 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Doors/seats
4 doors
4 seats
Trunk
515 L
18.2 cu ft
Length
5,250 mm
206.7 in
Height
1,491 mm
58.7 in
JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 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
AlpinaB7 (G12)4.4 V8
Power
608 hp
453 kW
0-100 km/h3.7 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

Alpina B7 (G12) 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
AlpinaB7 (G12)4.4 V8
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
3.7 s
JaguarXJ (X351)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 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
AlpinaB7 (G12)4.4 V8
299 hp/t
223 kW/t
3.3 kg/hp
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
JaguarXJ (X351)Facelift 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB7 (G12)4.4 V8JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
608 hp
453 kW
575 hp
429 kW
Torque
800 Nm
590 lb-ft
700 Nm
516 lb-ft
Acceleration
3.7 s
4.4 s
Top speed
Unrestricted
325 km/h202 mph
Restricted
310 km/h193 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Lightness
2,035 kg
4,486 lb
1,875 kg
4,134 lb
Fuel consumption
10.4 L/100 km
22.6 mpg US
27.2 mpg UK
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
515 L
18.2 cu ft
Length
5,250 mm
206.7 in
Height
1,491 mm
58.7 in
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Range score
750 km
466 mi
721 km
448 mi
CO2 score
242 g/km
264 g/km
Trunk score
515 L
18.2 cu ft
-
Power-to-weight score
299 hp/t
223 kW/t
3.3 kg/hp
307 hp/t
229 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 B7 (G12) 4.4 V8Jaguar XJ (X351) Facelift 2015 R 5.0 V8
Consumption10.4 L/100 km22.6 mpg US27.2 mpg UK11.1 L/100 km21.2 mpg US25.4 mpg UK
Cost / 100 km18.20 LC100 km19.43 LC100 km
Cost / 100 mi29.29 LC100 mi31.26 LC100 mi
Annual fuel used1,560 L412 US gal343 UK gal1,665 L440 US gal366 UK gal
Annual fuel cost2,730 LC/year2,914 LC/year

Head-to-head comparisons

Alpina B7 (G12) 4.4 V8

  • Has 33 hp more
  • Has 100 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 29 km (18 mi) more estimated range
  • Emits 22 g/km less CO2

Pros

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

Cons

  • Heaviest

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Is 160 kg lighter
  • Has 8 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B7 (G12) 4.4 V8
Jaguar XJ (X351) R 5.0 V8
Compare selected cars
2 vehicles selected

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