Car comparison

Jaguar XJ (X351) 5.0 V8 SuperchargedvsJaguar XJ (X300) 6.0 V12 Lang

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

New comparison

Jaguar XJ (X351)

5.0 V8 Supercharged

470 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2009-2012

Jaguar XJ (X300)

6.0 V12 Lang

311 hp5993 ccGasolineRWDAutomaticNaturally aspiratedSedan1994-1997

Comparison overview

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

Jaguar XJ (X351) 5.0 V8 Supercharged

Quickest 0-100 km/h
5.2 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
470 hp
350 kW
Highest torque
575 Nm
424 lb-ft
Lightest
1,942 kg
4,281 lb
Best power-to-weight
242 hp/t
180 kW/t
4.1 kg/hp
Largest trunk
520 L
Best overall score
77/100
Best performance score
77/100
Best practicality score
77/100

Jaguar XJ (X300) 6.0 V12 Lang

Best economy score
65/100

Specification comparison

Specification comparison
Model	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X300)6.0 V12 Lang
Power	470hp350kW	311hp232kW
Torque	575Nm424lb-ft	475Nm350lb-ft
Curb weight	1,942kg4,281lb	1,975kg4,354lb
Gross weight	2,365kg5,214lb	2,395kg5,280lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	254 km/h 158 mph
To 99% top speed	52.0s99% target: 262 km/h / 163 mph Calculated	73.2s99% target: 251 km/h / 156 mph Calculated
0-100 km/h	5.2s	7.2s
0-200 km/h	15.6s Calculated	23.4s Calculated
0-60 mph	5.0s Calculated	6.9s Calculated
Fuel consumption	-	15.7L/100 km15mpg US18.0mpg UK
Fuel consumption city	15.7L/100 km15mpg US18.0mpg UK	-
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	-
Quarter mile	13.1s Calculated	15.1s Calculated
Power-to-weight	242hp/t180kW/t110hp/1000 lb Calculated	157hp/t117kW/t71hp/1000 lb Calculated
Torque-to-weight	296Nm/t198lb-ft/ton Calculated	241Nm/t161lb-ft/ton Calculated
Estimated range	-	548km340mi Calculated
Displacement	5,000cc305cu in	5,993cc366cu in
Length	5,127mm202in	5,149mm203in
Width	1,894mm75in	1,798mm71in
Height	1,457mm57in	1,314mm52in
Wheelbase	3,032mm119in	2,995mm118in
Front track	1,626mm64in	1,500mm59in
Rear track	1,604mm63in	1,498mm59in
Trunk volume	520L	430L
Doors	4	4
Seats	5	5
Fuel tank	82L	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.

Jaguar XJ (X351) 5.0 V8 SuperchargedJaguar XJ (X300) 6.0 V12 LangPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
JaguarXJ (X351)5.0 V8 Supercharged	6,000-6,500 rpm	2,500-5,500 rpm	6,750 rpm
JaguarXJ (X300)6.0 V12 Lang	5,350 rpm	2,850 rpm	5,600 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X300)6.0 V12 Lang
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	6.9 s
0-100 km/h 0-62 mph	5.2 s	7.2 s
0-200 km/h 0-124 mph	15.6 s	23.4 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	254 km/h 158 mph
	Drag race simulation
60 ft 18 m	2.4 s	2.7 s
330 ft 101 m	6.0 s	6.8 s
1/8 mile 201 m	8.8 s	10.1 s
1000 ft 305 m	11.2 s	12.8 s
1/4 mile 402 m	13.1 s	15.1 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	162 km/h 101 mph

Power comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	470 hp 350 kW
JaguarXJ (X300)6.0 V12 Lang	311 hp 232 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 159 hp more than Jaguar XJ (X300) 6.0 V12 Lang.

The biggest power difference is between Jaguar XJ (X300) 6.0 V12 Lang and Jaguar XJ (X351) 5.0 V8 Supercharged: 159 hp (119 kW).

Torque comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	575 Nm 424 lb-ft
JaguarXJ (X300)6.0 V12 Lang	475 Nm 350 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	1,942 kg 4,281 lb
JaguarXJ (X300)6.0 V12 Lang	1,975 kg 4,354 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X300)6.0 V12 Lang	254 km/h 158 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	5.2 s
JaguarXJ (X300)6.0 V12 Lang	7.2 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 Supercharged and Jaguar XJ (X300) 6.0 V12 Lang: 2.0 s.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	242 hp/t 180 kW/t 4.1 kg/hp
JaguarXJ (X300)6.0 V12 Lang	157 hp/t 117 kW/t 6.4 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
JaguarXJ (X351)5.0 V8 Supercharged	470 hp 350 kW	5.2 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X300)6.0 V12 Lang	311 hp 232 kW	7.2 s	254 km/h 158 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

JaguarXJ (X351)5.0 V8 Supercharged

Power	470 hp 350 kW
0-100 km/h	5.2 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	5,127 mm 201.9 in
Height	1,457 mm 57.4 in

JaguarXJ (X300)6.0 V12 Lang

Power	311 hp 232 kW
0-100 km/h	7.2 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

Detailed score breakdown

Vehicle

JaguarXJ (X351)5.0 V8 Supercharged

JaguarXJ (X300)6.0 V12 Lang

Power

470 hp

350 kW

311 hp

232 kW

Torque

575 Nm

424 lb-ft

475 Nm

350 lb-ft

Acceleration

5.2 s

7.2 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

254 km/h

158 mph

Lightness

1,942 kg

4,281 lb

1,975 kg

4,354 lb

Fuel consumption

15.7 L/100 km

15.0 mpg US

18.0 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	5,127 mm 201.9 in
Height	1,457 mm 57.4 in

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

Range score

548 km

340 mi

Trunk score

520 L

18.4 cu ft

430 L

15.2 cu ft

Power-to-weight score

242 hp/t

180 kW/t

4.1 kg/hp

157 hp/t

117 kW/t

6.4 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Jaguar XJ (X300) 6.0 V12 Lang
Consumption	15.7 L/100 km15 mpg US18 mpg UK
Cost / 100 km	27.47 LC100 km
Cost / 100 mi	44.22 LC100 mi
Annual fuel used	2,355 L622 US gal518 UK gal
Annual fuel cost	4,121 LC/year