Car comparison

Jaguar XJ (X351) · Facelift 2015 R 5.0 V8vsBentley Mulsanne II · Facelift 2016 Speed 6.75 V8

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

New comparison

Jaguar XJ (X351) · Facelift 2015

R 5.0 V8

575 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2017-2018
VS

Bentley Mulsanne II · Facelift 2016

Speed 6.75 V8

537 hp6752 ccGasolineRWDAutomaticTwin-turboSedan2016-2020

Comparison overview

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

Best choices

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Quickest 0-100 km/h
    4.4 s
  • Fastest top speed
    315 km/h
    196 mph Unrestricted
    300 km/h
    186 mph Restricted
  • Most powerful
    575 hp
    429 kW
  • Lightest
    1,875 kg
    4,134 lb
  • Best power-to-weight
    307 hp/t
    229 kW/t
    3.3 kg/hp
  • Lowest combined fuel consumption
    11.1 L/100 km
    21.2 mpg US
    25.4 mpg UK
  • Lowest CO2 emissions
    264 g/km
  • Best estimated range
    721 km
    448 mi
  • Best overall score
    85/100
  • Best performance score
    88/100
  • Best economy score
    77/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Power
575hp429kW
537hp400kW
Torque
700Nm516lb-ft
1,100Nm811lb-ft
Curb weight
1,875kg4,134lb
2,685kg5,919lb
Gross weight-
3,200kg7,055lb
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
305 km/h
190 mph
To 99% top speed
49.5s99% target: 312 km/h / 194 mph
Calculated
60.6s99% target: 302 km/h / 188 mph
Calculated
0-100 km/h
4.4s
4.9s
0-200 km/h
11.3s
Calculated
13.5s
Calculated
0-60 mph
4.2s
Calculated
4.7s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
14.6L/100 km16.1mpg US19.3mpg UK
Fuel consumption city-
22.8L/100 km10.3mpg US12.4mpg UK
Fuel consumption highway-
9.9L/100 km23.8mpg US28.5mpg UK
Quarter mile
12.0s
Calculated
12.7s
Calculated
Power-to-weight
307hp/t229kW/t139hp/1000 lb
Calculated
200hp/t149kW/t91hp/1000 lb
Calculated
Torque-to-weight
373Nm/t250lb-ft/ton
Calculated
410Nm/t274lb-ft/ton
Calculated
Estimated range
721km448mi
Calculated
658km409mi
Calculated
Displacement
5,000cc305cu in
6,752cc412cu in
Length
5,130mm202in
5,575mm219in
Width
1,899mm75in
-
Height
1,460mm57in
1,521mm60in
Wheelbase
3,032mm119in
3,266mm129in
Front track
1,626mm64in
1,605mm63in
Rear track
1,604mm63in
1,651mm65in
Trunk volume-
443L
Doors
4
4
Seats
5
5
Fuel tank
80L
96L
CO2 emissions
264g/km
342g/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 R 5.0 V8Bentley Mulsanne II Facelift 2016 Speed 6.75 V8PowerTorque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
  • Bentley Mulsanne II Facelift 2016 Speed 6.75 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X351)Facelift 2015R 5.0 V86,250-6,500 rpm3,500-4,500 rpm6,750 rpm
BentleyMulsanne IIFacelift 2016Speed 6.75 V84,000 rpm1,750 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
4.7 s
0-100 km/h
0-62 mph
4.4 s
4.9 s
0-200 km/h
0-124 mph
11.3 s
13.5 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
305 km/h
190 mph
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.6 s
5.8 s
1/8 mile
201 m
8.1 s
8.5 s
1000 ft
305 m
10.3 s
10.8 s
1/4 mile
402 m
12.0 s
12.7 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
193 km/h
120 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
537 hp
400 kW

Jaguar XJ (X351) Facelift 2015 R 5.0 V8 has 38 hp more than Bentley Mulsanne II Facelift 2016 Speed 6.75 V8.

The biggest power difference is between Bentley Mulsanne II Facelift 2016 Speed 6.75 V8 and Jaguar XJ (X351) Facelift 2015 R 5.0 V8: 38 hp (28 kW).

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
700 Nm
516 lb-ft
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
1,100 Nm
811 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
1,875 kg
4,134 lb
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
2,685 kg
5,919 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 2015R 5.0 V8
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
305 km/h
190 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 2015R 5.0 V84.4 s
BentleyMulsanne IIFacelift 2016Speed 6.75 V84.9 s

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Mulsanne II Facelift 2016 Speed 6.75 V8: 0.5 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 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Mulsanne II Facelift 2016 Speed 6.75 V8: 3.5 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 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
200 hp/t
149 kW/t
5.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 2015R 5.0 V8
721 km
448 mi
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
658 km
409 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
4.4 s
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
537 hp
400 kW
4.9 s
305 km/h
190 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 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Power
537 hp
400 kW
0-100 km/h4.9 s
Top speed
305 km/h
190 mph
Doors/seats
4 doors
5 seats
Trunk
443 L
15.6 cu ft
Length
5,575 mm
219.5 in
Height
1,521 mm
59.9 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 2015R 5.0 V8
Power
575 hp
429 kW
0-100 km/h4.4 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Power
537 hp
400 kW
0-100 km/h4.9 s
Top speed
305 km/h
190 mph
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Jaguar XJ (X351) Facelift 2015 R 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 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
4.4 s
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
14.6 L/100 km
16.1 mpg US
19.3 mpg UK
4.9 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 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
BentleyMulsanne IIFacelift 2016Speed 6.75 V8
200 hp/t
149 kW/t
5.0 kg/hp
14.6 L/100 km
16.1 mpg US
19.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)Facelift 2015R 5.0 V8BentleyMulsanne IIFacelift 2016Speed 6.75 V8
Power
575 hp
429 kW
537 hp
400 kW
Torque
700 Nm
516 lb-ft
1,100 Nm
811 lb-ft
Acceleration
4.4 s
4.9 s
Top speed
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
305 km/h
190 mph
Lightness
1,875 kg
4,134 lb
2,685 kg
5,919 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
14.6 L/100 km
16.1 mpg US
19.3 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
443 L
15.6 cu ft
Length
5,575 mm
219.5 in
Height
1,521 mm
59.9 in
Range score
721 km
448 mi
658 km
409 mi
CO2 score
264 g/km
342 g/km
Trunk score
-
443 L
15.6 cu ft
Power-to-weight score
307 hp/t
229 kW/t
3.3 kg/hp
200 hp/t
149 kW/t
5.0 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 R 5.0 V8Bentley Mulsanne II Facelift 2016 Speed 6.75 V8
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK14.6 L/100 km16.1 mpg US19.3 mpg UK
Cost / 100 km19.43 LC100 km25.55 LC100 km
Cost / 100 mi31.26 LC100 mi41.12 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal2,190 L579 US gal482 UK gal
Annual fuel cost2,914 LC/year3,833 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Has 38 hp more
  • Is 810 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Uses 3.5 L/100 km less fuel
  • Has 107 hp/t better power-to-weight
  • Has 63 km (39 mi) more estimated range
  • Emits 78 g/km less CO2

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) R 5.0 V8
Bentley Mulsanne II Speed 6.75 V8
Compare selected cars
2 vehicles selected

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Jaguar XJ (X351) · Facelift 2015 R 5.0 V8 vs Bentley Mulsanne II · Facelift 2016 Speed 6.75 V8 - car comparison - FastVsFaster