Car comparison

Infiniti Q50 S 3.5 V6vsJaguar XJ (X351) · Facelift 2015 3.0 V6

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

New comparison

Infiniti Q50

S 3.5 V6

364 hp3498 ccGasolineAWDAutomaticSedan2013-2017
VS

Jaguar XJ (X351) · Facelift 2015

3.0 V6

340 hp2995 ccGasolineRWDAutomaticSuperchargedSedan2015-2018

Comparison overview

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

Best choices

Infiniti Q50 S 3.5 V6

  • Quickest 0-100 km/h
    5.4 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    364 hp
    271 kW
  • Best power-to-weight
    196 hp/t
    146 kW/t
    5.1 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest CO2 emissions
    159 g/km
  • Best performance score
    68/100
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelInfinitiQ50S 3.5 V6JaguarXJ (X351)Facelift 20153.0 V6
Power
364hp271kW
340hp254kW
Torque
350Nm258lb-ft
450Nm332lb-ft
Curb weight
1,853kg4,085lb
1,765kg3,891lb
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
53.3s99% target: 262 km/h / 163 mph
Calculated
62.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.4s
5.9s
0-200 km/h
16.1s
Calculated
18.3s
Calculated
0-60 mph
5.2s
Calculated
5.6s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption city
9.6L/100 km24.5mpg US29.4mpg UK
-
Fuel consumption highway
5.3L/100 km44.4mpg US53.3mpg UK
-
Quarter mile
13.3s
Calculated
13.9s
Calculated
Power-to-weight
196hp/t146kW/t89hp/1000 lb
Calculated
193hp/t144kW/t87hp/1000 lb
Calculated
Torque-to-weight
189Nm/t126lb-ft/ton
Calculated
255Nm/t171lb-ft/ton
Calculated
Estimated range-
879km546mi
Calculated
Displacement
3,498cc213cu in
2,995cc183cu in
Length
4,783mm188in
5,130mm202in
Width
1,824mm72in
1,899mm75in
Height
1,443mm57in
1,460mm57in
Wheelbase
2,850mm112in
3,032mm119in
Front track
1,519mm60in
1,626mm64in
Rear track
1,529mm60in
1,604mm63in
Trunk volume
510L
-
Doors
4
4
Seats
5
5
Fuel tank-
80L
CO2 emissions
159g/km
211g/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.

Infiniti Q50 S 3.5 V6Jaguar XJ (X351) Facelift 2015 3.0 V6PowerTorque
  • Infiniti Q50 S 3.5 V6: Power / Torque
  • Jaguar XJ (X351) Facelift 2015 3.0 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ50S 3.5 V66,500 rpm5,200 rpm6,750 rpm
JaguarXJ (X351)Facelift 20153.0 V66,500 rpm3,500-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ50S 3.5 V6JaguarXJ (X351)Facelift 20153.0 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.2 s
5.6 s
0-100 km/h
0-62 mph
5.4 s
5.9 s
0-200 km/h
0-124 mph
16.1 s
18.3 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
2.5 s
2.5 s
330 ft
101 m
6.1 s
6.3 s
1/8 mile
201 m
8.9 s
9.2 s
1000 ft
305 m
11.3 s
11.8 s
1/4 mile
402 m
13.3 s
13.9 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
364 hp
271 kW
JaguarXJ (X351)Facelift 20153.0 V6
340 hp
254 kW

Infiniti Q50 S 3.5 V6 has 24 hp more than Jaguar XJ (X351) Facelift 2015 3.0 V6.

The biggest power difference is between Jaguar XJ (X351) Facelift 2015 3.0 V6 and Infiniti Q50 S 3.5 V6: 24 hp (18 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
350 Nm
258 lb-ft
JaguarXJ (X351)Facelift 20153.0 V6
450 Nm
332 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
1,853 kg
4,085 lb
JaguarXJ (X351)Facelift 20153.0 V6
1,765 kg
3,891 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
InfinitiQ50S 3.5 V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ (X351)Facelift 20153.0 V6
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
InfinitiQ50S 3.5 V65.4 s
JaguarXJ (X351)Facelift 20153.0 V65.9 s

The biggest 0-100 km/h difference is between Infiniti Q50 S 3.5 V6 and Jaguar XJ (X351) Facelift 2015 3.0 V6: 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
InfinitiQ50S 3.5 V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
JaguarXJ (X351)Facelift 20153.0 V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

The biggest fuel consumption difference is between Infiniti Q50 S 3.5 V6 and Jaguar XJ (X351) Facelift 2015 3.0 V6: 2.3 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
InfinitiQ50S 3.5 V6
196 hp/t
146 kW/t
5.1 kg/hp
JaguarXJ (X351)Facelift 20153.0 V6
193 hp/t
144 kW/t
5.2 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ50S 3.5 V6
364 hp
271 kW
5.4 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
JaguarXJ (X351)Facelift 20153.0 V6
340 hp
254 kW
5.9 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
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,783 mm
188.3 in
Height
1,443 mm
56.8 in
JaguarXJ (X351)Facelift 20153.0 V6
Power
340 hp
254 kW
0-100 km/h5.9 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

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
InfinitiQ50S 3.5 V6
Power
364 hp
271 kW
0-100 km/h5.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
JaguarXJ (X351)Facelift 20153.0 V6
Power
340 hp
254 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Infiniti Q50 S 3.5 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
InfinitiQ50S 3.5 V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.4 s
JaguarXJ (X351)Facelift 20153.0 V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
5.9 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
InfinitiQ50S 3.5 V6
196 hp/t
146 kW/t
5.1 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
JaguarXJ (X351)Facelift 20153.0 V6
193 hp/t
144 kW/t
5.2 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ50S 3.5 V6JaguarXJ (X351)Facelift 20153.0 V6
Power
364 hp
271 kW
340 hp
254 kW
Torque
350 Nm
258 lb-ft
450 Nm
332 lb-ft
Acceleration
5.4 s
5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,853 kg
4,085 lb
1,765 kg
3,891 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
4,783 mm
188.3 in
Height
1,443 mm
56.8 in
Doors/seats
4 doors
5 seats
Trunk-
Length
5,130 mm
202.0 in
Height
1,460 mm
57.5 in
Range score
-
879 km
546 mi
CO2 score
159 g/km
211 g/km
Trunk score
510 L
18.0 cu ft
-
Power-to-weight score
196 hp/t
146 kW/t
5.1 kg/hp
193 hp/t
144 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
VehicleInfiniti Q50 S 3.5 V6Jaguar XJ (X351) Facelift 2015 3.0 V6
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km11.90 LC100 km15.92 LC100 km
Cost / 100 mi19.15 LC100 mi25.63 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost1,785 LC/year2,389 LC/year

Head-to-head comparisons

Infiniti Q50 S 3.5 V6

  • Has 24 hp more
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 2.3 L/100 km less fuel
  • Has 4 hp/t better power-to-weight
  • Emits 52 g/km less CO2

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q50 S 3.5 V6
Jaguar XJ (X351) 3.0 V6
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Infiniti Q50 S 3.5 V6 vs Jaguar XJ (X351) · Facelift 2015 3.0 V6 - car comparison - FastVsFaster