Car comparison

Bentley Flying Spur II · Facelift 2015 S 6.0 W12vsJaguar XJ (X351) · Facelift 2015 R 5.0 V8

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

New comparison

Bentley Flying Spur II · Facelift 2015

S 6.0 W12

635 hp5998 ccGasolineAWDTwin-turboSedan2016-2019
VS

Jaguar XJ (X351) · Facelift 2015

R 5.0 V8

575 hp5000 ccGasolineRWDAutomaticSuperchargedSedan2017-2018

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
  • 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
ModelBentleyFlying Spur IIFacelift 2015S 6.0 W12JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
635hp474kW
575hp429kW
Torque
820Nm605lb-ft
700Nm516lb-ft
Curb weight
2,475kg5,456lb
1,875kg4,134lb
Gross weight
2,972kg6,552lb
-
Top speed
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
Calculated
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Calculated
To 99% top speed
57.7s99% target: 332 km/h / 206 mph
Calculated
49.5s99% target: 312 km/h / 194 mph
Calculated
0-100 km/h
4.5s
4.4s
0-200 km/h
11.5s
Calculated
11.3s
Calculated
0-60 mph
4.3s
Calculated
4.2s
Calculated
Fuel consumption
14.7L/100 km16mpg US19.2mpg UK
11.1L/100 km21.2mpg US25.4mpg UK
Fuel consumption city
22.2L/100 km10.6mpg US12.7mpg UK
-
Fuel consumption highway
10.2L/100 km23.1mpg US27.7mpg UK
-
Quarter mile
12.1s
Calculated
12.0s
Calculated
Power-to-weight
257hp/t191kW/t116hp/1000 lb
Calculated
307hp/t229kW/t139hp/1000 lb
Calculated
Torque-to-weight
331Nm/t222lb-ft/ton
Calculated
373Nm/t250lb-ft/ton
Calculated
Estimated range
612km380mi
Calculated
721km448mi
Calculated
Displacement
5,998cc366cu in
5,000cc305cu in
Length
5,299mm209in
5,130mm202in
Width-
1,899mm75in
Height
1,488mm59in
1,460mm57in
Wheelbase
3,066mm121in
3,032mm119in
Front track-
1,626mm64in
Rear track-
1,604mm63in
Trunk volume
475L
-
Doors
4
4
Seats
4
5
Fuel tank
90L
80L
CO2 emissions
335g/km
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.

Bentley Flying Spur II Facelift 2015 S 6.0 W12Jaguar XJ (X351) Facelift 2015 R 5.0 V8PowerTorque
  • Bentley Flying Spur II Facelift 2015 S 6.0 W12: Power / Torque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BentleyFlying Spur IIFacelift 2015S 6.0 W126,000 rpm2,000 rpm6,250 rpm
JaguarXJ (X351)Facelift 2015R 5.0 V86,250-6,500 rpm3,500-4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBentleyFlying Spur IIFacelift 2015S 6.0 W12JaguarXJ (X351)Facelift 2015R 5.0 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.3 s
4.2 s
0-100 km/h
0-62 mph
4.5 s
4.4 s
0-200 km/h
0-124 mph
11.5 s
11.3 s
0-200 mph
0-322 km/h
40.7 s
-
Top speed
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
Likely limited
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
5.6 s
5.6 s
1/8 mile
201 m
8.2 s
8.1 s
1000 ft
305 m
10.4 s
10.3 s
1/4 mile
402 m
12.1 s
12.0 s
Trap speed
1/4 mile
402 m
207 km/h
128 mph
207 km/h
129 mph

Power comparison

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

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
635 hp
474 kW
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW

Bentley Flying Spur II Facelift 2015 S 6.0 W12 has 60 hp more than Jaguar XJ (X351) Facelift 2015 R 5.0 V8.

The biggest power difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Flying Spur II Facelift 2015 S 6.0 W12: 60 hp (45 kW).

Torque comparison

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

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
820 Nm
605 lb-ft
JaguarXJ (X351)Facelift 2015R 5.0 V8
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
2,475 kg
5,456 lb
JaguarXJ (X351)Facelift 2015R 5.0 V8
1,875 kg
4,134 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
JaguarXJ (X351)Facelift 2015R 5.0 V8
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W124.5 s
JaguarXJ (X351)Facelift 2015R 5.0 V84.4 s

Although Bentley Flying Spur II Facelift 2015 S 6.0 W12 has more power, Jaguar XJ (X351) Facelift 2015 R 5.0 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Flying Spur II Facelift 2015 S 6.0 W12: 0.1 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
JaguarXJ (X351)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 R 5.0 V8 and Bentley Flying Spur II Facelift 2015 S 6.0 W12: 3.6 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
BentleyFlying Spur IIFacelift 2015S 6.0 W12
257 hp/t
191 kW/t
3.9 kg/hp
JaguarXJ (X351)Facelift 2015R 5.0 V8
307 hp/t
229 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BentleyFlying Spur IIFacelift 2015S 6.0 W12
612 km
380 mi
JaguarXJ (X351)Facelift 2015R 5.0 V8
721 km
448 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BentleyFlying Spur IIFacelift 2015S 6.0 W12
635 hp
474 kW
4.5 s
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
JaguarXJ (X351)Facelift 2015R 5.0 V8
575 hp
429 kW
4.4 s
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 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
BentleyFlying Spur IIFacelift 2015S 6.0 W12
Power
635 hp
474 kW
0-100 km/h4.5 s
Top speed
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
Doors/seats
4 doors
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 in
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

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
BentleyFlying Spur IIFacelift 2015S 6.0 W12
Power
635 hp
474 kW
0-100 km/h4.5 s
Top speed
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
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

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
BentleyFlying Spur IIFacelift 2015S 6.0 W12
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
4.5 s
JaguarXJ (X351)Facelift 2015R 5.0 V8
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
4.4 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
BentleyFlying Spur IIFacelift 2015S 6.0 W12
257 hp/t
191 kW/t
3.9 kg/hp
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleBentleyFlying Spur IIFacelift 2015S 6.0 W12JaguarXJ (X351)Facelift 2015R 5.0 V8
Power
635 hp
474 kW
575 hp
429 kW
Torque
820 Nm
605 lb-ft
700 Nm
516 lb-ft
Acceleration
4.5 s
4.4 s
Top speed
Unrestricted
335 km/h208 mph
Restricted
325 km/h202 mph
Unrestricted
315 km/h196 mph
Restricted
300 km/h186 mph
Lightness
2,475 kg
5,456 lb
1,875 kg
4,134 lb
Fuel consumption
14.7 L/100 km
16.0 mpg US
19.2 mpg UK
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
Practicality
Doors/seats
4 doors
4 seats
Trunk
475 L
16.8 cu ft
Length
5,299 mm
208.6 in
Height
1,488 mm
58.6 in
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Range score
612 km
380 mi
721 km
448 mi
CO2 score
335 g/km
264 g/km
Trunk score
475 L
16.8 cu ft
-
Power-to-weight score
257 hp/t
191 kW/t
3.9 kg/hp
307 hp/t
229 kW/t
3.3 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
VehicleBentley Flying Spur II Facelift 2015 S 6.0 W12Jaguar XJ (X351) Facelift 2015 R 5.0 V8
Consumption14.7 L/100 km16 mpg US19.2 mpg UK11.1 L/100 km21.2 mpg US25.4 mpg UK
Cost / 100 km25.72 LC100 km19.43 LC100 km
Cost / 100 mi41.40 LC100 mi31.26 LC100 mi
Annual fuel used2,205 L582 US gal485 UK gal1,665 L440 US gal366 UK gal
Annual fuel cost3,859 LC/year2,914 LC/year

Head-to-head comparisons

Bentley Flying Spur II Facelift 2015 S 6.0 W12

  • Has 60 hp more
  • Has 120 Nm more
  • Has 20 km/h (12 mph) higher top speed

Pros

  • Highest top speed
  • Most powerful
  • Highest torque

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Is 600 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 3.6 L/100 km less fuel
  • Has 50 hp/t better power-to-weight
  • Has 108 km (67 mi) more estimated range
  • Emits 71 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Bentley Flying Spur II S 6.0 W12
Jaguar XJ (X351) R 5.0 V8
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2 vehicles selected

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Bentley Flying Spur II · Facelift 2015 S 6.0 W12 vs Jaguar XJ (X351) · Facelift 2015 R 5.0 V8 - car comparison - FastVsFaster