Car comparison

Jaguar XJ (X351) · Facelift 2015 5.0 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 (X351) · Facelift 2015

5.0 V8

510 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2015-2018
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 (X351) Facelift 2015 5.0 V8

  • 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
    272 hp/t
    203 kW/t
    3.7 kg/hp
  • Lowest combined fuel consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Best estimated range
    721 km
    448 mi
  • Best overall score
    80/100
  • Best performance score
    81/100
  • Best economy score
    77/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 20155.0 V8JaguarXJ (X308)R 4.0 V8 32V
Power
510hp380kW
363hp271kW
Torque
625Nm461lb-ft
505Nm372lb-ft
Curb weight
1,875kg4,134lb
1,845kg4,068lb
Gross weight-
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
46.9s99% target: 262 km/h / 163 mph
Calculated
56.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.9s
5.6s
0-200 km/h
14.4s
Calculated
17.0s
Calculated
0-60 mph
4.7s
Calculated
5.4s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
12.6L/100 km18.7mpg US22.4mpg UK
Fuel consumption city-
18L/100 km13.1mpg US15.7mpg UK
Fuel consumption highway-
9.5L/100 km24.8mpg US29.7mpg UK
Quarter mile
12.8s
Calculated
13.5s
Calculated
Power-to-weight
272hp/t203kW/t123hp/1000 lb
Calculated
197hp/t147kW/t89hp/1000 lb
Calculated
Torque-to-weight
333Nm/t223lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
721km448mi
Calculated
643km399mi
Calculated
Displacement
5,000cc305cu in
3,996cc244cu in
Length
5,130mm202in
5,023mm198in
Width
1,899mm75in
1,799mm71in
Height
1,460mm57in
1,345mm53in
Wheelbase
3,032mm119in
2,870mm113in
Front track
1,626mm64in
1,500mm59in
Rear track
1,604mm63in
1,498mm59in
Trunk volume-
430L
Doors
4
4
Seats
5
5
Fuel tank
80L
81L
CO2 emissions
264g/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 (X351) Facelift 2015 5.0 V8Jaguar XJ (X308) R 4.0 V8 32VPowerTorque
  • Jaguar XJ (X351) Facelift 2015 5.0 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 (X351)Facelift 20155.0 V86,000-6,500 rpm2,500-5,500 rpm6,750 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 (X351)Facelift 20155.0 V8JaguarXJ (X308)R 4.0 V8 32V
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
5.4 s
0-100 km/h
0-62 mph
4.9 s
5.6 s
0-200 km/h
0-124 mph
14.4 s
17.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely 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
5.8 s
6.2 s
1/8 mile
201 m
8.5 s
9.0 s
1000 ft
305 m
10.9 s
11.5 s
1/4 mile
402 m
12.8 s
13.5 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
179 km/h
111 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20155.0 V8
510 hp
380 kW
JaguarXJ (X308)R 4.0 V8 32V
363 hp
271 kW

Jaguar XJ (X351) Facelift 2015 5.0 V8 has 147 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) Facelift 2015 5.0 V8: 147 hp (110 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20155.0 V8
625 Nm
461 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 (X351)Facelift 20155.0 V8
1,875 kg
4,134 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 (X351)Facelift 20155.0 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 (X351)Facelift 20155.0 V84.9 s
JaguarXJ (X308)R 4.0 V8 32V5.6 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 5.0 V8 and Jaguar XJ (X308) R 4.0 V8 32V: 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 (X351)Facelift 20155.0 V8
11.1 L/100 km
21.2 mpg US
25.4 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 (X351) Facelift 2015 5.0 V8 and Jaguar XJ (X308) R 4.0 V8 32V: 1.5 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 (X351)Facelift 20155.0 V8
272 hp/t
203 kW/t
3.7 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 (X351)Facelift 20155.0 V8
721 km
448 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 (X351)Facelift 20155.0 V8
510 hp
380 kW
4.9 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 (X351)Facelift 20155.0 V8
Power
510 hp
380 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 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 (X351)Facelift 20155.0 V8
Power
510 hp
380 kW
0-100 km/h4.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
11.1 L/100 km
21.2 mpg US
25.4 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 (X351) Facelift 2015 5.0 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 (X351)Facelift 20155.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
4.9 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 (X351)Facelift 20155.0 V8
272 hp/t
203 kW/t
3.7 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 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 (X351)Facelift 20155.0 V8JaguarXJ (X308)R 4.0 V8 32V
Power
510 hp
380 kW
363 hp
271 kW
Torque
625 Nm
461 lb-ft
505 Nm
372 lb-ft
Acceleration
4.9 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
1,875 kg
4,134 lb
1,845 kg
4,068 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
12.6 L/100 km
18.7 mpg US
22.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 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
721 km
448 mi
643 km
399 mi
CO2 score
264 g/km
-
Trunk score
-
430 L
15.2 cu ft
Power-to-weight score
272 hp/t
203 kW/t
3.7 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 (X351) Facelift 2015 5.0 V8Jaguar XJ (X308) R 4.0 V8 32V
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK12.6 L/100 km18.7 mpg US22.4 mpg UK
Cost / 100 km19.43 LC100 km22.05 LC100 km
Cost / 100 mi31.26 LC100 mi35.49 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,890 L499 US gal416 UK gal
Annual fuel cost2,914 LC/year3,308 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 5.0 V8

  • Has 147 hp more
  • Has 120 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Uses 1.5 L/100 km less fuel
  • Has 75 hp/t better power-to-weight
  • Has 78 km (48 mi) more estimated range

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) 5.0 V8
Jaguar XJ (X308) R 4.0 V8 32V
Compare selected cars
2 vehicles selected

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Jaguar XJ (X351) · Facelift 2015 5.0 V8 vs Jaguar XJ (X308) R 4.0 V8 32V - car comparison - FastVsFaster