Car comparison

Jaguar XJ (X351) · Facelift 2015 3.0d V6vsSubaru WRX STI · Facelift 2018 2.5

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

New comparison

Jaguar XJ (X351) · Facelift 2015

3.0d V6

300 hp2993 ccDieselRWDAutomaticTurbochargedSedan2015-2019
VS

Subaru WRX STI · Facelift 2018

2.5

300 hp2457 ccGasolineAWDManualTurbochargedSedan2018-present

Comparison overview

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

Best choices

Jaguar XJ (X351) Facelift 2015 3.0d V6

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    300 hp
    224 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    5.7 L/100 km
    41.3 mpg US
    49.6 mpg UK
  • Lowest city consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest highway consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest CO2 emissions
    149 g/km
  • Best estimated range
    1,351 km
    839 mi
  • Best overall score
    71/100
  • Best performance score
    68/100
  • Best economy score
    91/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelJaguarXJ (X351)Facelift 20153.0d V6SubaruWRX STIFacelift 20182.5
Power
300hp224kW
300hp224kW
Torque
700Nm516lb-ft
407Nm300lb-ft
Curb weight
1,835kg4,045lb
1,566kg3,452lb
Gross weight
2,400kg5,291lb
2,000kg4,409lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
255 km/h
158 mph
To 99% top speed
67.8s99% target: 257 km/h / 160 mph
Calculated
48.2s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
6.2s
5.2s
0-200 km/h
20.1s
Calculated
16.0s
Calculated
0-60 mph
5.9s
Calculated
5.0s
Calculated
Fuel consumption
5.7L/100 km41.3mpg US49.6mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
7L/100 km33.6mpg US40.4mpg UK
15.4L/100 km15.3mpg US18.3mpg UK
Fuel consumption highway
5.2L/100 km45.2mpg US54.3mpg UK
8.7L/100 km27mpg US32.5mpg UK
Quarter mile
14.2s
Calculated
13.2s
Calculated
Power-to-weight
163hp/t122kW/t74hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
381Nm/t255lb-ft/ton
Calculated
260Nm/t174lb-ft/ton
Calculated
Estimated range
1,351km839mi
Calculated
536km333mi
Calculated
Displacement
2,993cc183cu in
2,457cc150cu in
Length
5,130mm202in
4,595mm181in
Width
1,899mm75in
1,795mm71in
Height
1,460mm57in
1,475mm58in
Wheelbase
3,032mm119in
2,650mm104in
Front track
1,626mm64in
1,530mm60in
Rear track
1,604mm63in
1,540mm61in
Ground clearance-
135mm5in
Trunk volume-
460L
Doors
4
4
Seats
5
5
Fuel tank
77L
60L
CO2 emissions
149g/km
259g/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 3.0d V6Subaru WRX STI Facelift 2018 2.5PowerTorque
  • Jaguar XJ (X351) Facelift 2015 3.0d V6: Power / Torque
  • Subaru WRX STI Facelift 2018 2.5: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
JaguarXJ (X351)Facelift 20153.0d V64,000 rpm2,000 rpm4,250 rpm
SubaruWRX STIFacelift 20182.56,000 rpm4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricJaguarXJ (X351)Facelift 20153.0d V6SubaruWRX STIFacelift 20182.5
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
5.0 s
0-100 km/h
0-62 mph
6.2 s
5.2 s
0-200 km/h
0-124 mph
20.1 s
16.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
255 km/h
158 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.4 s
6.0 s
1/8 mile
201 m
9.4 s
8.8 s
1000 ft
305 m
12.0 s
11.2 s
1/4 mile
402 m
14.2 s
13.2 s
Trap speed
1/4 mile
402 m
170 km/h
105 mph
183 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20153.0d V6
300 hp
224 kW
SubaruWRX STIFacelift 20182.5
300 hp
224 kW

Torque comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20153.0d V6
700 Nm
516 lb-ft
SubaruWRX STIFacelift 20182.5
407 Nm
300 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20153.0d V6
1,835 kg
4,045 lb
SubaruWRX STIFacelift 20182.5
1,566 kg
3,452 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 20153.0d V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
SubaruWRX STIFacelift 20182.5
255 km/h
158 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 20153.0d V66.2 s
SubaruWRX STIFacelift 20182.55.2 s

The biggest 0-100 km/h difference is between Subaru WRX STI Facelift 2018 2.5 and Jaguar XJ (X351) Facelift 2015 3.0d V6: 1.0 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 20153.0d V6
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
SubaruWRX STIFacelift 20182.5
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

The biggest fuel consumption difference is between Jaguar XJ (X351) Facelift 2015 3.0d V6 and Subaru WRX STI Facelift 2018 2.5: 5.5 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 20153.0d V6
163 hp/t
122 kW/t
6.1 kg/hp
SubaruWRX STIFacelift 20182.5
192 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
JaguarXJ (X351)Facelift 20153.0d V6
1,351 km
839 mi
SubaruWRX STIFacelift 20182.5
536 km
333 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
JaguarXJ (X351)Facelift 20153.0d V6
300 hp
224 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
SubaruWRX STIFacelift 20182.5
300 hp
224 kW
5.2 s
255 km/h
158 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 20153.0d V6
Power
300 hp
224 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 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
SubaruWRX STIFacelift 20182.5
Power
300 hp
224 kW
0-100 km/h5.2 s
Top speed
255 km/h
158 mph
Doors/seats
4 doors
5 seats
Trunk
460 L
16.2 cu ft
Length
4,595 mm
180.9 in
Height
1,475 mm
58.1 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 20153.0d V6
Power
300 hp
224 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
SubaruWRX STIFacelift 20182.5
Power
300 hp
224 kW
0-100 km/h5.2 s
Top speed
255 km/h
158 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Jaguar XJ (X351) Facelift 2015 3.0d V6 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 20153.0d V6
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
6.2 s
SubaruWRX STIFacelift 20182.5
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
5.2 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 20153.0d V6
163 hp/t
122 kW/t
6.1 kg/hp
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
SubaruWRX STIFacelift 20182.5
192 hp/t
143 kW/t
5.2 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleJaguarXJ (X351)Facelift 20153.0d V6SubaruWRX STIFacelift 20182.5
Power
300 hp
224 kW
300 hp
224 kW
Torque
700 Nm
516 lb-ft
407 Nm
300 lb-ft
Acceleration
6.2 s
5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
255 km/h
158 mph
Lightness
1,835 kg
4,045 lb
1,566 kg
3,452 lb
Fuel consumption
5.7 L/100 km
41.3 mpg US
49.6 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 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
460 L
16.2 cu ft
Length
4,595 mm
180.9 in
Height
1,475 mm
58.1 in
Range score
1,351 km
839 mi
536 km
333 mi
CO2 score
149 g/km
259 g/km
Trunk score
-
460 L
16.2 cu ft
Power-to-weight score
163 hp/t
122 kW/t
6.1 kg/hp
192 hp/t
143 kW/t
5.2 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 3.0d V6Subaru WRX STI Facelift 2018 2.5
Consumption5.7 L/100 km41.3 mpg US49.6 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km9.98 LC100 km19.60 LC100 km
Cost / 100 mi16.05 LC100 mi31.54 LC100 mi
Annual fuel used855 L226 US gal188 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,496 LC/year2,940 LC/year

Head-to-head comparisons

Jaguar XJ (X351) Facelift 2015 3.0d V6

  • Has 293 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Uses 5.5 L/100 km less fuel
  • Has 815 km (507 mi) more estimated range
  • Emits 110 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest

Subaru WRX STI Facelift 2018 2.5

  • Is 269 kg lighter
  • Is 1.0 s quicker from 0-100 km/h
  • Has 28 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Jaguar XJ (X351) 3.0d V6
Subaru WRX STI 2.5
Compare selected cars
2 vehicles selected

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Jaguar XJ (X351) · Facelift 2015 3.0d V6 vs Subaru WRX STI · Facelift 2018 2.5 - car comparison - FastVsFaster