Car comparison

Jaguar XJ (X351) 5.0 V8 SuperchargedvsJaguar XJ (X350) 4.2 V8 32V L Super

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

New comparison

Jaguar XJ (X351)

5.0 V8 Supercharged

510 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2009-2012

Jaguar XJ (X350)

4.2 V8 32V L Super

400 hp4196 ccGasolineRWDAutomaticSuperchargedSedan2004-2006

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
4.9 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
510 hp
380 kW
Highest torque
625 Nm
461 lb-ft
Best power-to-weight
270 hp/t
201 kW/t
3.7 kg/hp
Lowest city consumption
18.3 L/100 km
12.9 mpg US
15.4 mpg UK
Lowest highway consumption
8.7 L/100 km
27.0 mpg US
32.5 mpg UK
Largest trunk
520 L
Best overall score
79/100
Best performance score
80/100
Best economy score
74/100
Best practicality score
77/100

Jaguar XJ (X350) 4.2 V8 32V L Super

Lightest
1,690 kg
3,726 lb

Specification comparison

Specification comparison
Model	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
Power	510hp380kW	400hp298kW
Torque	625Nm461lb-ft	541Nm399lb-ft
Curb weight	1,892kg4,171lb	1,690kg3,726lb
Gross weight	2,365kg5,214lb	2,275kg5,016lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	47.0s99% target: 262 km/h / 163 mph Calculated	52.1s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	4.9s	5.3s
0-200 km/h	14.4s Calculated	15.8s Calculated
0-60 mph	4.7s Calculated	5.1s Calculated
Fuel consumption	12.1L/100 km19.4mpg US23.3mpg UK	-
Fuel consumption city	18.3L/100 km12.9mpg US15.4mpg UK	18.6L/100 km12.6mpg US15.2mpg UK
Fuel consumption highway	8.7L/100 km27mpg US32.5mpg UK	9L/100 km26.1mpg US31.4mpg UK
Quarter mile	12.8s Calculated	13.2s Calculated
Power-to-weight	270hp/t201kW/t122hp/1000 lb Calculated	237hp/t176kW/t107hp/1000 lb Calculated
Torque-to-weight	330Nm/t221lb-ft/ton Calculated	320Nm/t214lb-ft/ton Calculated
Estimated range	678km421mi Calculated	-
Displacement	5,000cc305cu in	4,196cc256cu in
Length	5,122mm202in	5,215mm205in
Width	1,894mm75in	1,860mm73in
Height	1,457mm57in	1,448mm57in
Wheelbase	3,032mm119in	3,159mm124in
Front track	1,626mm64in	1,556mm61in
Rear track	1,604mm63in	1,546mm61in
Trunk volume	520L	470L
Doors	4	4
Seats	5	5
Fuel tank	82L	85L

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 (X350) 4.2 V8 32V L SuperPowerTorque

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 (X350)4.2 V8 32V L Super	6,100 rpm	3,500 rpm	6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X350)4.2 V8 32V L Super
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	5.1 s
0-100 km/h 0-62 mph	4.9 s	5.3 s
0-200 km/h 0-124 mph	14.4 s	15.8 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.4 s	2.4 s
330 ft 101 m	5.8 s	6.0 s
1/8 mile 201 m	8.5 s	8.8 s
1000 ft 305 m	10.9 s	11.2 s
1/4 mile 402 m	12.8 s	13.2 s
Trap speed 1/4 mile 402 m	189 km/h 117 mph	183 km/h 114 mph

Power comparison

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

Chart data table
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	510 hp 380 kW
JaguarXJ (X350)4.2 V8 32V L Super	400 hp 298 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 110 hp more than Jaguar XJ (X350) 4.2 V8 32V L Super.

The biggest power difference is between Jaguar XJ (X350) 4.2 V8 32V L Super and Jaguar XJ (X351) 5.0 V8 Supercharged: 110 hp (82 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	625 Nm 461 lb-ft
JaguarXJ (X350)4.2 V8 32V L Super	541 Nm 399 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	1,892 kg 4,171 lb
JaguarXJ (X350)4.2 V8 32V L Super	1,690 kg 3,726 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 (X350)4.2 V8 32V L Super	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
Vehicle	Value
JaguarXJ (X351)5.0 V8 Supercharged	4.9 s
JaguarXJ (X350)4.2 V8 32V L Super	5.3 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 Supercharged and Jaguar XJ (X350) 4.2 V8 32V L Super: 0.4 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	270 hp/t 201 kW/t 3.7 kg/hp
JaguarXJ (X350)4.2 V8 32V L Super	237 hp/t 176 kW/t 4.2 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	510 hp 380 kW	4.9 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
JaguarXJ (X350)4.2 V8 32V L Super	400 hp 298 kW	5.3 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.

Vehicle

Performance score

Practicality score

JaguarXJ (X351)5.0 V8 Supercharged

Power	510 hp 380 kW
0-100 km/h	4.9 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	5,122 mm 201.7 in
Height	1,457 mm 57.4 in

JaguarXJ (X350)4.2 V8 32V L Super

Power	400 hp 298 kW
0-100 km/h	5.3 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	5,215 mm 205.3 in
Height	1,448 mm 57.0 in

Detailed score breakdown

Vehicle

JaguarXJ (X351)5.0 V8 Supercharged

JaguarXJ (X350)4.2 V8 32V L Super

Power

510 hp

380 kW

400 hp

298 kW

Torque

625 Nm

461 lb-ft

541 Nm

399 lb-ft

Acceleration

4.9 s

5.3 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,892 kg

4,171 lb

1,690 kg

3,726 lb

Fuel consumption

12.1 L/100 km

19.4 mpg US

23.3 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	5,122 mm 201.7 in
Height	1,457 mm 57.4 in

Doors/seats	4 doors 5 seats
Trunk	470 L 16.6 cu ft
Length	5,215 mm 205.3 in
Height	1,448 mm 57.0 in

Range score

678 km

421 mi

Trunk score

520 L

18.4 cu ft

470 L

16.6 cu ft

Power-to-weight score

270 hp/t

201 kW/t

3.7 kg/hp

237 hp/t

176 kW/t

4.2 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 (X351) 5.0 V8 Supercharged
Consumption	12.1 L/100 km19.4 mpg US23.3 mpg UK
Cost / 100 km	21.18 LC100 km
Cost / 100 mi	34.08 LC100 mi
Annual fuel used	1,815 L479 US gal399 UK gal
Annual fuel cost	3,176 LC/year