Car comparison

Alpina B12 (E38) 5.7 i V12 E-Kat SwitchtronicvsJaguar XJ (X300) R 4.0 24V Sport

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

New comparison
VS

Jaguar XJ (X300)

R 4.0 24V Sport

320 hp3980 ccGasolineRWDAutomaticSuperchargedSedan1994-1997

Comparison overview

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

Best choices

Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic

  • Fastest top speed
    290 km/h
    180 mph Unrestricted
    280 km/h
    174 mph Restricted
  • Most powerful
    387 hp
    289 kW
  • Highest torque
    560 Nm
    413 lb-ft
  • Best power-to-weight
    190 hp/t
    142 kW/t
    5.3 kg/hp
  • Lowest combined fuel consumption
    11.9 L/100 km
    19.8 mpg US
    23.7 mpg UK
  • Best estimated range
    798 km
    496 mi
  • Largest trunk
    500 L
  • Best overall score
    72/100
  • Best performance score
    71/100
  • Best economy score
    75/100
  • Best practicality score
    75/100

Specification comparison

Specification comparison
ModelAlpinaB12 (E38)5.7 i V12 E-Kat SwitchtronicJaguarXJ (X300)R 4.0 24V Sport
Power
387hp289kW
320hp239kW
Torque
560Nm413lb-ft
512Nm378lb-ft
Curb weight
2,035kg4,486lb
1,875kg4,134lb
Gross weight
2,495kg5,501lb
2,295kg5,060lb
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
76.2s99% target: 287 km/h / 178 mph
Calculated
65.8s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
6.4s
6.3s
0-200 km/h
18.4s
Calculated
19.3s
Calculated
0-60 mph
6.1s
Calculated
6.0s
Calculated
Fuel consumption
11.9L/100 km19.8mpg US23.7mpg UK
12.5L/100 km18.8mpg US22.6mpg UK
Quarter mile
14.2s
Calculated
14.2s
Calculated
Power-to-weight
190hp/t142kW/t86hp/1000 lb
Calculated
171hp/t127kW/t77hp/1000 lb
Calculated
Torque-to-weight
275Nm/t184lb-ft/ton
Calculated
273Nm/t183lb-ft/ton
Calculated
Estimated range
798km496mi
Calculated
688km428mi
Calculated
Displacement
5,646cc345cu in
3,980cc243cu in
Length
4,984mm196in
5,023mm198in
Width
1,862mm73in
1,798mm71in
Height
1,415mm56in
1,303mm51in
Wheelbase
2,930mm115in
2,870mm113in
Front track
1,552mm61in
1,500mm59in
Rear track
1,554mm61in
1,498mm59in
Trunk volume
500L
430L
Doors
4
4
Seats
5
5
Fuel tank
95L
86L

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 B12 (E38) 5.7 i V12 E-Kat SwitchtronicJaguar XJ (X300) R 4.0 24V SportPowerTorque
  • Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic: Power / Torque
  • Jaguar XJ (X300) R 4.0 24V Sport: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic5,200 rpm4,100 rpm5,450 rpm
JaguarXJ (X300)R 4.0 24V Sport5,000 rpm3,050 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAlpinaB12 (E38)5.7 i V12 E-Kat SwitchtronicJaguarXJ (X300)R 4.0 24V Sport
Acceleration checkpoints
0-60 mph
0-97 km/h
6.1 s
6.0 s
0-100 km/h
0-62 mph
6.4 s
6.3 s
0-200 km/h
0-124 mph
18.4 s
19.3 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.6 s
2.6 s
330 ft
101 m
6.5 s
6.5 s
1/8 mile
201 m
9.6 s
9.5 s
1000 ft
305 m
12.1 s
12.1 s
1/4 mile
402 m
14.2 s
14.2 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
172 km/h
107 mph

Power comparison

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

Chart data table
VehicleValue
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
387 hp
289 kW
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW

Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic has 67 hp more than Jaguar XJ (X300) R 4.0 24V Sport.

The biggest power difference is between Jaguar XJ (X300) R 4.0 24V Sport and Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic: 67 hp (50 kW).

Torque comparison

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

Chart data table
VehicleValue
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
560 Nm
413 lb-ft
JaguarXJ (X300)R 4.0 24V Sport
512 Nm
378 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
2,035 kg
4,486 lb
JaguarXJ (X300)R 4.0 24V Sport
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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
JaguarXJ (X300)R 4.0 24V Sport
Unrestricted
265 km/h165 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic6.4 s
JaguarXJ (X300)R 4.0 24V Sport6.3 s

Although Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic has more power, Jaguar XJ (X300) R 4.0 24V Sport is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Jaguar XJ (X300) R 4.0 24V Sport and Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic: 0.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

The biggest fuel consumption difference is between Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic and Jaguar XJ (X300) R 4.0 24V Sport: 0.6 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
190 hp/t
142 kW/t
5.3 kg/hp
JaguarXJ (X300)R 4.0 24V Sport
171 hp/t
127 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
798 km
496 mi
JaguarXJ (X300)R 4.0 24V Sport
688 km
428 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
387 hp
289 kW
6.4 s
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
JaguarXJ (X300)R 4.0 24V Sport
320 hp
239 kW
6.3 s
Unrestricted
265 km/h165 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
Power
387 hp
289 kW
0-100 km/h6.4 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,984 mm
196.2 in
Height
1,415 mm
55.7 in
JaguarXJ (X300)R 4.0 24V Sport
Power
320 hp
239 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
Power
387 hp
289 kW
0-100 km/h6.4 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
Power
320 hp
239 kW
0-100 km/h6.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
6.4 s
JaguarXJ (X300)R 4.0 24V Sport
12.5 L/100 km
18.8 mpg US
22.6 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
AlpinaB12 (E38)5.7 i V12 E-Kat Switchtronic
190 hp/t
142 kW/t
5.3 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
JaguarXJ (X300)R 4.0 24V Sport
171 hp/t
127 kW/t
5.9 kg/hp
12.5 L/100 km
18.8 mpg US
22.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAlpinaB12 (E38)5.7 i V12 E-Kat SwitchtronicJaguarXJ (X300)R 4.0 24V Sport
Power
387 hp
289 kW
320 hp
239 kW
Torque
560 Nm
413 lb-ft
512 Nm
378 lb-ft
Acceleration
6.4 s
6.3 s
Top speed
Unrestricted
290 km/h180 mph
Restricted
280 km/h174 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,035 kg
4,486 lb
1,875 kg
4,134 lb
Fuel consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,984 mm
196.2 in
Height
1,415 mm
55.7 in
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,023 mm
197.8 in
Height
1,303 mm
51.3 in
Range score
798 km
496 mi
688 km
428 mi
Trunk score
500 L
17.7 cu ft
430 L
15.2 cu ft
Power-to-weight score
190 hp/t
142 kW/t
5.3 kg/hp
171 hp/t
127 kW/t
5.9 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 B12 (E38) 5.7 i V12 E-Kat SwitchtronicJaguar XJ (X300) R 4.0 24V Sport
Consumption11.9 L/100 km19.8 mpg US23.7 mpg UK12.5 L/100 km18.8 mpg US22.6 mpg UK
Cost / 100 km20.83 LC100 km21.88 LC100 km
Cost / 100 mi33.51 LC100 mi35.20 LC100 mi
Annual fuel used1,785 L472 US gal393 UK gal1,875 L495 US gal412 UK gal
Annual fuel cost3,124 LC/year3,281 LC/year

Head-to-head comparisons

Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic

  • Has 67 hp more
  • Has 48 Nm more
  • Has 25 km/h (16 mph) higher top speed
  • Uses 0.6 L/100 km less fuel
  • Has 20 hp/t better power-to-weight
  • Has 110 km (69 mi) more estimated range
  • Has 70 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Heaviest

Jaguar XJ (X300) R 4.0 24V Sport

  • Is 160 kg lighter
  • Is 0.1 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Alpina B12 (E38) 5.7 i V12 E-Kat Switchtronic
Jaguar XJ (X300) R 4.0 24V Sport
Compare selected cars
2 vehicles selected

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