Car comparison

Jaguar XJ (X300) 6.0 V12 LangvsJaguar XJ (X351) · Facelift 2015 2.0

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

New comparison

Jaguar XJ (X300)

6.0 V12 Lang

311 hp5993 ccGasolineRWDAutomaticNaturally aspiratedSedan1994-1997
VS

Jaguar XJ (X351) · Facelift 2015

2.0

240 hp1999 ccGasolineRWDAutomaticTurbochargedSedan2015-2018

Comparison overview

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

Best choices

Jaguar XJ (X300) 6.0 V12 Lang

  • Quickest 0-100 km/h
    7.2 s
  • Fastest top speed
    254 km/h
    158 mph
  • Most powerful
    311 hp
    232 kW
  • Highest torque
    475 Nm
    350 lb-ft
  • Best power-to-weight
    157 hp/t
    117 kW/t
    6.4 kg/hp
  • Best overall score
    64/100
  • Best performance score
    60/100

Jaguar XJ (X351) Facelift 2015 2.0

  • Lightest
    1,735 kg
    3,825 lb
  • Lowest combined fuel consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    952 km
    592 mi
  • Best economy score
    84/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X300)6.0 V12 LangJaguarXJ (X351)Facelift 20152.0
Power
311hp232kW
240hp179kW
Torque
475Nm350lb-ft
340Nm251lb-ft
Curb weight
1,975kg4,354lb
1,735kg3,825lb
Gross weight
2,395kg5,280lb
-
Top speed
254 km/h
158 mph
241 km/h
150 mph
To 99% top speed
73.2s99% target: 251 km/h / 156 mph
Calculated
80.2s99% target: 239 km/h / 148 mph
Calculated
0-100 km/h
7.2s
7.9s
0-200 km/h
23.4s
Calculated
28.6s
Calculated
0-60 mph
6.9s
Calculated
7.5s
Calculated
Fuel consumption
15.7L/100 km15mpg US18.0mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
15.1s
Calculated
15.7s
Calculated
Power-to-weight
157hp/t117kW/t71hp/1000 lb
Calculated
138hp/t103kW/t63hp/1000 lb
Calculated
Torque-to-weight
241Nm/t161lb-ft/ton
Calculated
196Nm/t131lb-ft/ton
Calculated
Estimated range
548km340mi
Calculated
952km592mi
Calculated
Displacement
5,993cc366cu in
1,999cc122cu in
Length
5,149mm203in
5,130mm202in
Width
1,798mm71in
1,899mm75in
Height
1,314mm52in
1,460mm57in
Wheelbase
2,995mm118in
3,032mm119in
Front track
1,500mm59in
1,626mm64in
Rear track
1,498mm59in
1,604mm63in
Trunk volume
430L
-
Doors
4
4
Seats
5
5
Fuel tank
86L
80L
CO2 emissions-
199g/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 XJ (X300) 6.0 V12 LangJaguar XJ (X351) Facelift 2015 2.0PowerTorque
  • Jaguar XJ (X300) 6.0 V12 Lang: Power / Torque
  • Jaguar XJ (X351) Facelift 2015 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X300)6.0 V12 Lang5,350 rpm2,850 rpm5,600 rpm
JaguarXJ (X351)Facelift 20152.05,500 rpm2,000-4,000 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X300)6.0 V12 LangJaguarXJ (X351)Facelift 20152.0
Acceleration checkpoints
0-60 mph
0-97 km/h
6.9 s
7.5 s
0-100 km/h
0-62 mph
7.2 s
7.9 s
0-200 km/h
0-124 mph
23.4 s
28.6 s
Top speed
254 km/h
158 mph
241 km/h
150 mph
Drag race simulation
60 ft
18 m
2.7 s
2.8 s
330 ft
101 m
6.8 s
7.0 s
1/8 mile
201 m
10.1 s
10.4 s
1000 ft
305 m
12.8 s
13.3 s
1/4 mile
402 m
15.1 s
15.7 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
153 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)6.0 V12 Lang
311 hp
232 kW
JaguarXJ (X351)Facelift 20152.0
240 hp
179 kW

Jaguar XJ (X300) 6.0 V12 Lang has 71 hp more than Jaguar XJ (X351) Facelift 2015 2.0.

The biggest power difference is between Jaguar XJ (X351) Facelift 2015 2.0 and Jaguar XJ (X300) 6.0 V12 Lang: 71 hp (53 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)6.0 V12 Lang
475 Nm
350 lb-ft
JaguarXJ (X351)Facelift 20152.0
340 Nm
251 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)6.0 V12 Lang
1,975 kg
4,354 lb
JaguarXJ (X351)Facelift 20152.0
1,735 kg
3,825 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)6.0 V12 Lang
254 km/h
158 mph
JaguarXJ (X351)Facelift 20152.0
241 km/h
150 mph

0-100 km/h comparison

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

The biggest 0-100 km/h difference is between Jaguar XJ (X300) 6.0 V12 Lang and Jaguar XJ (X351) Facelift 2015 2.0: 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
JaguarXJ (X300)6.0 V12 Lang
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
JaguarXJ (X351)Facelift 20152.0
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 2.0 and Jaguar XJ (X300) 6.0 V12 Lang: 7.3 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
JaguarXJ (X300)6.0 V12 Lang
157 hp/t
117 kW/t
6.4 kg/hp
JaguarXJ (X351)Facelift 20152.0
138 hp/t
103 kW/t
7.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXJ (X300)6.0 V12 Lang
548 km
340 mi
JaguarXJ (X351)Facelift 20152.0
952 km
592 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X300)6.0 V12 Lang
311 hp
232 kW
7.2 s
254 km/h
158 mph
JaguarXJ (X351)Facelift 20152.0
240 hp
179 kW
7.9 s
241 km/h
150 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
JaguarXJ (X300)6.0 V12 Lang
Power
311 hp
232 kW
0-100 km/h7.2 s
Top speed
254 km/h
158 mph
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,149 mm
202.7 in
Height
1,314 mm
51.7 in
JaguarXJ (X351)Facelift 20152.0
Power
240 hp
179 kW
0-100 km/h7.9 s
Top speed
241 km/h
150 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
JaguarXJ (X300)6.0 V12 Lang
Power
311 hp
232 kW
0-100 km/h7.2 s
Top speed
254 km/h
158 mph
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
JaguarXJ (X351)Facelift 20152.0
Power
240 hp
179 kW
0-100 km/h7.9 s
Top speed
241 km/h
150 mph
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Jaguar XJ (X351) Facelift 2015 2.0 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
JaguarXJ (X300)6.0 V12 Lang
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
7.2 s
JaguarXJ (X351)Facelift 20152.0
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
7.9 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
JaguarXJ (X300)6.0 V12 Lang
157 hp/t
117 kW/t
6.4 kg/hp
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
JaguarXJ (X351)Facelift 20152.0
138 hp/t
103 kW/t
7.2 kg/hp
8.4 L/100 km
28.0 mpg US
33.6 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X300)6.0 V12 LangJaguarXJ (X351)Facelift 20152.0
Power
311 hp
232 kW
240 hp
179 kW
Torque
475 Nm
350 lb-ft
340 Nm
251 lb-ft
Acceleration
7.2 s
7.9 s
Top speed
254 km/h
158 mph
241 km/h
150 mph
Lightness
1,975 kg
4,354 lb
1,735 kg
3,825 lb
Fuel consumption
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
8.4 L/100 km
28.0 mpg US
33.6 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
430 L
15.2 cu ft
Length
5,149 mm
202.7 in
Height
1,314 mm
51.7 in
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Range score
548 km
340 mi
952 km
592 mi
CO2 score
-
199 g/km
Trunk score
430 L
15.2 cu ft
-
Power-to-weight score
157 hp/t
117 kW/t
6.4 kg/hp
138 hp/t
103 kW/t
7.2 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 XJ (X300) 6.0 V12 LangJaguar XJ (X351) Facelift 2015 2.0
Consumption15.7 L/100 km15 mpg US18 mpg UK8.4 L/100 km28 mpg US33.6 mpg UK
Cost / 100 km27.47 LC100 km14.70 LC100 km
Cost / 100 mi44.22 LC100 mi23.66 LC100 mi
Annual fuel used2,355 L622 US gal518 UK gal1,260 L333 US gal277 UK gal
Annual fuel cost4,121 LC/year2,205 LC/year

Head-to-head comparisons

Jaguar XJ (X300) 6.0 V12 Lang

  • Has 71 hp more
  • Has 135 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Has 13 km/h (8 mph) higher top speed
  • Has 19 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Heaviest

Jaguar XJ (X351) Facelift 2015 2.0

  • Is 240 kg lighter
  • Uses 7.3 L/100 km less fuel
  • Has 405 km (251 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

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Model
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Jaguar XJ (X300) 6.0 V12 Lang
Jaguar XJ (X351) 2.0
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Jaguar XJ (X300) 6.0 V12 Lang vs Jaguar XJ (X351) · Facelift 2015 2.0 - car comparison - FastVsFaster