Car comparison

Jaguar XJ (X351) 5.0 V8 SuperchargedvsJaguar XJ (X308) R 4.0 V8 32V

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 (X308)

R 4.0 V8 32V

363 hp3996 ccGasolineRWDAutomaticSuperchargedSedan1997-2003

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
Best power-to-weight
242 hp/t
180 kW/t
4.1 kg/hp
Lowest city consumption
15.7 L/100 km
15.0 mpg US
18.0 mpg UK
Largest trunk
520 L
Best overall score
77/100
Best performance score
77/100
Best practicality score
77/100

Jaguar XJ (X308) R 4.0 V8 32V

Lightest
1,845 kg
4,068 lb
Lowest highway consumption
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
Best economy score
73/100

Specification comparison

Specification comparison
Model	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X308)R 4.0 V8 32V
Power	470hp350kW	363hp271kW
Torque	575Nm424lb-ft	505Nm372lb-ft
Curb weight	1,942kg4,281lb	1,845kg4,068lb
Gross weight	2,365kg5,214lb	2,260kg4,982lb
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	52.0s99% target: 262 km/h / 163 mph Calculated	56.7s99% target: 262 km/h / 163 mph Calculated
0-100 km/h	5.2s	5.6s
0-200 km/h	15.6s Calculated	17.0s Calculated
0-60 mph	5.0s Calculated	5.4s Calculated
Fuel consumption	-	12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption city	15.7L/100 km15mpg US18.0mpg UK	18L/100 km13.1mpg US15.7mpg UK
Fuel consumption highway	11.2L/100 km21mpg US25.2mpg UK	9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile	13.1s Calculated	13.5s Calculated
Power-to-weight	242hp/t180kW/t110hp/1000 lb Calculated	197hp/t147kW/t89hp/1000 lb Calculated
Torque-to-weight	296Nm/t198lb-ft/ton Calculated	274Nm/t183lb-ft/ton Calculated
Estimated range	-	643km399mi Calculated
Displacement	5,000cc305cu in	3,996cc244cu in
Length	5,127mm202in	5,023mm198in
Width	1,894mm75in	1,799mm71in
Height	1,457mm57in	1,345mm53in
Wheelbase	3,032mm119in	2,870mm113in
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	81L

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 (X308) R 4.0 V8 32VPowerTorque

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 (X308)R 4.0 V8 32V	6,150 rpm	3,600 rpm	6,400 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	JaguarXJ (X351)5.0 V8 Supercharged	JaguarXJ (X308)R 4.0 V8 32V
	Acceleration checkpoints
0-60 mph 0-97 km/h	5.0 s	5.4 s
0-100 km/h 0-62 mph	5.2 s	5.6 s
0-200 km/h 0-124 mph	15.6 s	17.0 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	2.5 s
330 ft 101 m	6.0 s	6.2 s
1/8 mile 201 m	8.8 s	9.0 s
1000 ft 305 m	11.2 s	11.5 s
1/4 mile 402 m	13.1 s	13.5 s
Trap speed 1/4 mile 402 m	184 km/h 114 mph	179 km/h 111 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 (X308)R 4.0 V8 32V	363 hp 271 kW

Jaguar XJ (X351) 5.0 V8 Supercharged has 107 hp more than Jaguar XJ (X308) R 4.0 V8 32V.

The biggest power difference is between Jaguar XJ (X308) R 4.0 V8 32V and Jaguar XJ (X351) 5.0 V8 Supercharged: 107 hp (80 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 (X308)R 4.0 V8 32V	505 Nm 372 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 (X308)R 4.0 V8 32V	1,845 kg 4,068 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 (X308)R 4.0 V8 32V	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	5.2 s
JaguarXJ (X308)R 4.0 V8 32V	5.6 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) 5.0 V8 Supercharged and Jaguar XJ (X308) R 4.0 V8 32V: 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	242 hp/t 180 kW/t 4.1 kg/hp
JaguarXJ (X308)R 4.0 V8 32V	197 hp/t 147 kW/t 5.1 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 (X308)R 4.0 V8 32V	363 hp 271 kW	5.6 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	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 (X308)R 4.0 V8 32V

Power	363 hp 271 kW
0-100 km/h	5.6 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	1,345 mm 53.0 in

Detailed score breakdown

Vehicle

JaguarXJ (X351)5.0 V8 Supercharged

JaguarXJ (X308)R 4.0 V8 32V

Power

470 hp

350 kW

363 hp

271 kW

Torque

575 Nm

424 lb-ft

505 Nm

372 lb-ft

Acceleration

5.2 s

5.6 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

Lightness

1,942 kg

4,281 lb

1,845 kg

4,068 lb

Fuel consumption

12.6 L/100 km

18.7 mpg US

22.4 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	5,023 mm 197.8 in
Height	1,345 mm 53.0 in

Range score

643 km

399 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

197 hp/t

147 kW/t

5.1 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 (X308) R 4.0 V8 32V
Consumption	12.6 L/100 km18.7 mpg US22.4 mpg UK
Cost / 100 km	22.05 LC100 km
Cost / 100 mi	35.49 LC100 mi
Annual fuel used	1,890 L499 US gal416 UK gal
Annual fuel cost	3,308 LC/year