Car comparison

Jaguar XJ (X358) R 4.2 V8vsJaguar 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 (X358)

R 4.2 V8

395 hp4196 ccGasolineRWDAutomaticSuperchargedSedan2007-2009
VS

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.

Best choices

Jaguar XJ (X358) R 4.2 V8

  • Quickest 0-100 km/h
    5.3 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    395 hp
    295 kW
  • Highest torque
    541 Nm
    399 lb-ft
  • Lightest
    1,653 kg
    3,644 lb
  • Best power-to-weight
    239 hp/t
    178 kW/t
    4.2 kg/hp
  • Lowest combined fuel consumption
    12.1 L/100 km
    19.4 mpg US
    23.3 mpg UK
  • Lowest city consumption
    17.9 L/100 km
    13.1 mpg US
    15.8 mpg UK
  • Lowest highway consumption
    8.7 L/100 km
    27.0 mpg US
    32.5 mpg UK
  • Best estimated range
    702 km
    437 mi
  • Largest trunk
    470 L
  • Best overall score
    74/100
  • Best performance score
    74/100
  • Best economy score
    74/100
  • Best practicality score
    75/100

Specification comparison

Specification comparison
ModelJaguarXJ (X358)R 4.2 V8JaguarXJ (X308)R 4.0 V8 32V
Power
395hp295kW
363hp271kW
Torque
541Nm399lb-ft
505Nm372lb-ft
Curb weight
1,653kg3,644lb
1,845kg4,068lb
Gross weight
2,263kg4,989lb
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
5.3s
5.6s
0-200 km/h
15.8s
Calculated
17.0s
Calculated
0-60 mph
5.1s
Calculated
5.4s
Calculated
Fuel consumption
12.1L/100 km19.4mpg US23.3mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption city
17.9L/100 km13.1mpg US15.8mpg UK
18L/100 km13.1mpg US15.7mpg UK
Fuel consumption highway
8.7L/100 km27mpg US32.5mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
13.2s
Calculated
13.5s
Calculated
Power-to-weight
239hp/t178kW/t108hp/1000 lb
Calculated
197hp/t147kW/t89hp/1000 lb
Calculated
Torque-to-weight
327Nm/t219lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
702km437mi
Calculated
643km399mi
Calculated
Displacement
4,196cc256cu in
3,996cc244cu in
Length
5,091mm200in
5,023mm198in
Width
1,860mm73in
1,799mm71in
Height
1,462mm58in
1,345mm53in
Wheelbase
3,034mm119in
2,870mm113in
Front track
1,556mm61in
1,500mm59in
Rear track
1,546mm61in
1,498mm59in
Trunk volume
470L
430L
Doors
4
4
Seats
5
5
Fuel tank
85L
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 (X358) R 4.2 V8Jaguar XJ (X308) R 4.0 V8 32VPowerTorque
  • Jaguar XJ (X358) R 4.2 V8: Power / Torque
  • Jaguar XJ (X308) R 4.0 V8 32V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X358)R 4.2 V86,100 rpm3,500 rpm6,350 rpm
JaguarXJ (X308)R 4.0 V8 32V6,150 rpm3,600 rpm6,400 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X358)R 4.2 V8JaguarXJ (X308)R 4.0 V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.4 s
0-100 km/h
0-62 mph
5.3 s
5.6 s
0-200 km/h
0-124 mph
15.8 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
13.2 s
13.5 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X358)R 4.2 V8
395 hp
295 kW
JaguarXJ (X308)R 4.0 V8 32V
363 hp
271 kW

Jaguar XJ (X358) R 4.2 V8 has 32 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 (X358) R 4.2 V8: 32 hp (24 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X358)R 4.2 V8
541 Nm
399 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
VehicleValue
JaguarXJ (X358)R 4.2 V8
1,653 kg
3,644 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
VehicleValue
JaguarXJ (X358)R 4.2 V8
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
VehicleValue
JaguarXJ (X358)R 4.2 V85.3 s
JaguarXJ (X308)R 4.0 V8 32V5.6 s

The biggest 0-100 km/h difference is between Jaguar XJ (X358) R 4.2 V8 and Jaguar XJ (X308) R 4.0 V8 32V: 0.3 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 (X358)R 4.2 V8
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ (X308)R 4.0 V8 32V
12.6 L/100 km
18.7 mpg US
22.4 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X358) R 4.2 V8 and Jaguar XJ (X308) R 4.0 V8 32V: 0.5 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 (X358)R 4.2 V8
239 hp/t
178 kW/t
4.2 kg/hp
JaguarXJ (X308)R 4.0 V8 32V
197 hp/t
147 kW/t
5.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXJ (X358)R 4.2 V8
702 km
437 mi
JaguarXJ (X308)R 4.0 V8 32V
643 km
399 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X358)R 4.2 V8
395 hp
295 kW
5.3 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.

Chart data table
VehiclePerformance scorePracticality score
JaguarXJ (X358)R 4.2 V8
Power
395 hp
295 kW
0-100 km/h5.3 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
5,091 mm
200.4 in
Height
1,462 mm
57.6 in
JaguarXJ (X308)R 4.0 V8 32V
Power
363 hp
271 kW
0-100 km/h5.6 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

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 (X358)R 4.2 V8
Power
395 hp
295 kW
0-100 km/h5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ (X308)R 4.0 V8 32V
Power
363 hp
271 kW
0-100 km/h5.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
12.6 L/100 km
18.7 mpg US
22.4 mpg UK

Jaguar XJ (X358) R 4.2 V8 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 (X358)R 4.2 V8
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
5.3 s
JaguarXJ (X308)R 4.0 V8 32V
12.6 L/100 km
18.7 mpg US
22.4 mpg UK
5.6 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 (X358)R 4.2 V8
239 hp/t
178 kW/t
4.2 kg/hp
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
JaguarXJ (X308)R 4.0 V8 32V
197 hp/t
147 kW/t
5.1 kg/hp
12.6 L/100 km
18.7 mpg US
22.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X358)R 4.2 V8JaguarXJ (X308)R 4.0 V8 32V
Power
395 hp
295 kW
363 hp
271 kW
Torque
541 Nm
399 lb-ft
505 Nm
372 lb-ft
Acceleration
5.3 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
1,653 kg
3,644 lb
1,845 kg
4,068 lb
Fuel consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
12.6 L/100 km
18.7 mpg US
22.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
470 L
16.6 cu ft
Length
5,091 mm
200.4 in
Height
1,462 mm
57.6 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
702 km
437 mi
643 km
399 mi
Trunk score
470 L
16.6 cu ft
430 L
15.2 cu ft
Power-to-weight score
239 hp/t
178 kW/t
4.2 kg/hp
197 hp/t
147 kW/t
5.1 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 (X358) R 4.2 V8Jaguar XJ (X308) R 4.0 V8 32V
Consumption12.1 L/100 km19.4 mpg US23.3 mpg UK12.6 L/100 km18.7 mpg US22.4 mpg UK
Cost / 100 km21.18 LC100 km22.05 LC100 km
Cost / 100 mi34.08 LC100 mi35.49 LC100 mi
Annual fuel used1,815 L479 US gal399 UK gal1,890 L499 US gal416 UK gal
Annual fuel cost3,176 LC/year3,308 LC/year

Head-to-head comparisons

Jaguar XJ (X358) R 4.2 V8

  • Has 32 hp more
  • Has 36 Nm more
  • Is 192 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 0.5 L/100 km less fuel
  • Has 42 hp/t better power-to-weight
  • Has 60 km (37 mi) more estimated range
  • Has 40 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Jaguar XJ (X308) R 4.0 V8 32V

No measurable advantages in the available data.

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X358) R 4.2 V8
Jaguar XJ (X308) R 4.0 V8 32V
Compare selected cars
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