Car comparison

Jaguar XJ (X351) · Facelift 2015 R 5.0 V8vsAUDI S8 (D4) · Facelift 2013 4.0 TFSI COD V8 plus

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

AUDI S8 (D4) · Facelift 2013

4.0 TFSI COD V8 plus

605 hp3993 ccGasolineAWDAutomaticTwin-turboSedan2015-2018

Comparison overview

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

Best choices

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Quickest 0-100 km/h
    3.8 s
  • Most powerful
    605 hp
    451 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Lowest combined fuel consumption
    10.0 L/100 km
    23.5 mpg US
    28.2 mpg UK
  • Lowest CO2 emissions
    231 g/km
  • Best estimated range
    820 km
    510 mi
  • Best overall score
    86/100
  • Best performance score
    90/100
  • Best economy score
    80/100

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Fastest top speed
    315 km/h
    196 mph Unrestricted
    300 km/h
    186 mph Restricted
  • Lightest
    1,875 kg
    4,134 lb
  • Best power-to-weight
    307 hp/t
    229 kW/t
    3.3 kg/hp
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 2015R 5.0 V8AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
575hp429kW
605hp451kW
Torque
700Nm516lb-ft
750Nm553lb-ft
Curb weight
1,875kg4,134lb
1,990kg4,387lb
Gross weight-
2,590kg5,710lb
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
40.0s99% target: 302 km/h / 188 mph
Calculated
0-100 km/h
4.4s
3.8s
0-200 km/h
11.3s
Calculated
9.8s
Calculated
0-60 mph
4.2s
Calculated
3.7s
Calculated
Fuel consumption
11.1L/100 km21.2mpg US25.4mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city-
13.7L/100 km17.2mpg US20.6mpg UK
Fuel consumption highway-
7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile
12.0s
Calculated
11.3s
Calculated
Power-to-weight
307hp/t229kW/t139hp/1000 lb
Calculated
304hp/t227kW/t138hp/1000 lb
Calculated
Torque-to-weight
373Nm/t250lb-ft/ton
Calculated
377Nm/t252lb-ft/ton
Calculated
Estimated range
721km448mi
Calculated
820km510mi
Calculated
Displacement
5,000cc305cu in
3,993cc244cu in
Length
5,130mm202in
5,147mm203in
Width
1,899mm75in
1,949mm77in
Height
1,460mm57in
1,458mm57in
Wheelbase
3,032mm119in
2,994mm118in
Front track
1,626mm64in
1,632mm64in
Rear track
1,604mm63in
1,623mm64in
Trunk volume-
520L
Doors
4
4
Seats
5
5
Fuel tank
80L
82L
CO2 emissions
264g/km
231g/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 V8AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plusPowerTorque
  • Jaguar XJ (X351) Facelift 2015 R 5.0 V8: Power / Torque
  • AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus6,100-6,800 rpm2,500-5,500 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)Facelift 2015R 5.0 V8AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Acceleration checkpoints
0-60 mph
0-97 km/h
4.2 s
3.7 s
0-100 km/h
0-62 mph
4.4 s
3.8 s
0-200 km/h
0-124 mph
11.3 s
9.8 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
2.1 s
330 ft
101 m
5.6 s
5.2 s
1/8 mile
201 m
8.1 s
7.6 s
1000 ft
305 m
10.3 s
9.6 s
1/4 mile
402 m
12.0 s
11.3 s
Trap speed
1/4 mile
402 m
207 km/h
129 mph
217 km/h
135 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus has 30 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 AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus: 30 hp (22 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
750 Nm
553 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
1,990 kg
4,387 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus3.8 s

The biggest 0-100 km/h difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and Jaguar XJ (X351) Facelift 2015 R 5.0 V8: 0.6 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus and Jaguar XJ (X351) Facelift 2015 R 5.0 V8: 1.1 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
820 km
510 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
605 hp
451 kW
3.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
605 hp
451 kW
0-100 km/h3.8 s
Top speed
305 km/h
190 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
3.8 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
AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
304 hp/t
227 kW/t
3.3 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)Facelift 2015R 5.0 V8AUDIS8 (D4)Facelift 20134.0 TFSI COD V8 plus
Power
575 hp
429 kW
605 hp
451 kW
Torque
700 Nm
516 lb-ft
750 Nm
553 lb-ft
Acceleration
4.4 s
3.8 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
1,990 kg
4,387 lb
Fuel consumption
11.1 L/100 km
21.2 mpg US
25.4 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 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
520 L
18.4 cu ft
Length
5,147 mm
202.6 in
Height
1,458 mm
57.4 in
Range score
721 km
448 mi
820 km
510 mi
CO2 score
264 g/km
231 g/km
Trunk score
-
520 L
18.4 cu ft
Power-to-weight score
307 hp/t
229 kW/t
3.3 kg/hp
304 hp/t
227 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
VehicleJaguar XJ (X351) Facelift 2015 R 5.0 V8AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus
Consumption11.1 L/100 km21.2 mpg US25.4 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km19.43 LC100 km17.50 LC100 km
Cost / 100 mi31.26 LC100 mi28.16 LC100 mi
Annual fuel used1,665 L440 US gal366 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost2,914 LC/year2,625 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 R 5.0 V8

  • Is 115 kg lighter
  • Has 10 km/h (6 mph) higher top speed
  • Has 3 hp/t better power-to-weight

Pros

  • Highest top speed
  • Lightest
  • Best power-to-weight ratio

Cons

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

AUDI S8 (D4) Facelift 2013 4.0 TFSI COD V8 plus

  • Has 30 hp more
  • Has 50 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 1.1 L/100 km less fuel
  • Has 99 km (62 mi) more estimated range
  • Emits 33 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) R 5.0 V8
AUDI S8 (D4) 4.0 TFSI COD V8 plus
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2 vehicles selected

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Jaguar XJ (X351) · Facelift 2015 R 5.0 V8 vs AUDI S8 (D4) · Facelift 2013 4.0 TFSI COD V8 plus - car comparison - FastVsFaster