Car comparison

Infiniti Q50 · Facelift 2017 3.5vsLexus GS IV · Facelift 2015 450h V6

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

New comparison

Infiniti Q50 · Facelift 2017

3.5

306 hp3498 ccGasolineRWDAutomaticSedan2017-present
VS

Lexus GS IV · Facelift 2015

450h V6

292 hp3456 ccGasolineRWDCVTNaturally aspiratedSedan2016-2019

Comparison overview

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

Best choices

Infiniti Q50 Facelift 2017 3.5

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    306 hp
    228 kW
  • Lightest
    1,787 kg
    3,940 lb
  • Best power-to-weight
    171 hp/t
    128 kW/t
    5.8 kg/hp
  • Lowest highway consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Best estimated range
    1,129 km
    702 mi
  • Best overall score
    68/100
  • Best performance score
    66/100

Lexus GS IV Facelift 2015 450h V6

  • Highest torque
    352 Nm
    260 lb-ft
  • Lowest combined fuel consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Lowest city consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest CO2 emissions
    137 g/km
  • Best economy score
    91/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelInfinitiQ50Facelift 20173.5LexusGS IVFacelift 2015450h V6
Power
306hp228kW
292hp218kW
Torque
350Nm258lb-ft
352Nm260lb-ft
Curb weight
1,787kg3,940lb
1,860kg4,101lb
Gross weight-
2,305kg5,082lb
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
51.2s99% target: 262 km/h / 163 mph
Calculated
61.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
5.1s
5.9s
0-200 km/h
15.4s
Calculated
18.1s
Calculated
0-60 mph
4.9s
Calculated
5.6s
Calculated
Fuel consumption
6.2L/100 km37.9mpg US45.6mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption highway
5.1L/100 km46.1mpg US55.4mpg UK
5.4L/100 km43.6mpg US52.3mpg UK
Quarter mile
13.0s
Calculated
13.8s
Calculated
Power-to-weight
171hp/t128kW/t78hp/1000 lb
Calculated
157hp/t117kW/t71hp/1000 lb
Calculated
Torque-to-weight
196Nm/t131lb-ft/ton
Calculated
189Nm/t127lb-ft/ton
Calculated
Estimated range
1,129km702mi
Calculated
1,119km695mi
Calculated
Displacement
3,498cc213cu in
3,456cc211cu in
Length
4,810mm189in
4,880mm192in
Width
1,820mm72in
1,840mm72in
Height
1,430mm56in
1,455mm57in
Wheelbase
2,850mm112in
2,850mm112in
Front track-
1,575mm62in
Rear track-
1,590mm63in
Ground clearance-
130mm5in
Trunk volume
400L
-
Doors
4
4
Seats
5
5
Fuel tank
70L
66L
CO2 emissions
144g/km
137g/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 Facelift 2017 3.5Lexus GS IV Facelift 2015 450h V6PowerTorque
  • Infiniti Q50 Facelift 2017 3.5: Power / Torque
  • Lexus GS IV Facelift 2015 450h V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ50Facelift 20173.56,800 rpm5,000 rpm7,050 rpm
LexusGS IVFacelift 2015450h V66,000 rpm4,500 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ50Facelift 20173.5LexusGS IVFacelift 2015450h V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.6 s
0-100 km/h
0-62 mph
5.1 s
5.9 s
0-200 km/h
0-124 mph
15.4 s
18.1 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
2.4 s
2.5 s
330 ft
101 m
5.9 s
6.3 s
1/8 mile
201 m
8.7 s
9.2 s
1000 ft
305 m
11.1 s
11.8 s
1/4 mile
402 m
13.0 s
13.8 s
Trap speed
1/4 mile
402 m
185 km/h
115 mph
175 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
306 hp
228 kW
LexusGS IVFacelift 2015450h V6
292 hp
218 kW

Infiniti Q50 Facelift 2017 3.5 has 14 hp more than Lexus GS IV Facelift 2015 450h V6.

The biggest power difference is between Lexus GS IV Facelift 2015 450h V6 and Infiniti Q50 Facelift 2017 3.5: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
350 Nm
258 lb-ft
LexusGS IVFacelift 2015450h V6
352 Nm
260 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
1,787 kg
3,940 lb
LexusGS IVFacelift 2015450h V6
1,860 kg
4,101 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
LexusGS IVFacelift 2015450h 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
InfinitiQ50Facelift 20173.55.1 s
LexusGS IVFacelift 2015450h V65.9 s

The biggest 0-100 km/h difference is between Infiniti Q50 Facelift 2017 3.5 and Lexus GS IV Facelift 2015 450h V6: 0.8 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
LexusGS IVFacelift 2015450h V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
171 hp/t
128 kW/t
5.8 kg/hp
LexusGS IVFacelift 2015450h V6
157 hp/t
117 kW/t
6.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
1,129 km
702 mi
LexusGS IVFacelift 2015450h V6
1,119 km
695 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ50Facelift 20173.5
306 hp
228 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
LexusGS IVFacelift 2015450h V6
292 hp
218 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
InfinitiQ50Facelift 20173.5
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
400 L
14.1 cu ft
Length
4,810 mm
189.4 in
Height
1,430 mm
56.3 in
LexusGS IVFacelift 2015450h V6
Power
292 hp
218 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
4,880 mm
192.1 in
Height
1,455 mm
57.3 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
InfinitiQ50Facelift 20173.5
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
LexusGS IVFacelift 2015450h V6
Power
292 hp
218 kW
0-100 km/h5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Infiniti Q50 Facelift 2017 3.5 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
InfinitiQ50Facelift 20173.5
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
5.1 s
LexusGS IVFacelift 2015450h V6
5.9 L/100 km
39.9 mpg US
47.9 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
InfinitiQ50Facelift 20173.5
171 hp/t
128 kW/t
5.8 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
LexusGS IVFacelift 2015450h V6
157 hp/t
117 kW/t
6.4 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ50Facelift 20173.5LexusGS IVFacelift 2015450h V6
Power
306 hp
228 kW
292 hp
218 kW
Torque
350 Nm
258 lb-ft
352 Nm
260 lb-ft
Acceleration
5.1 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
1,787 kg
3,940 lb
1,860 kg
4,101 lb
Fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
400 L
14.1 cu ft
Length
4,810 mm
189.4 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk-
Length
4,880 mm
192.1 in
Height
1,455 mm
57.3 in
Range score
1,129 km
702 mi
1,119 km
695 mi
CO2 score
144 g/km
137 g/km
Trunk score
400 L
14.1 cu ft
-
Power-to-weight score
171 hp/t
128 kW/t
5.8 kg/hp
157 hp/t
117 kW/t
6.4 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 Facelift 2017 3.5Lexus GS IV Facelift 2015 450h V6
Consumption6.2 L/100 km37.9 mpg US45.6 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km10.85 LC100 km10.33 LC100 km
Cost / 100 mi17.46 LC100 mi16.62 LC100 mi
Annual fuel used930 L246 US gal205 UK gal885 L234 US gal195 UK gal
Annual fuel cost1,628 LC/year1,549 LC/year

Head-to-head comparisons

Infiniti Q50 Facelift 2017 3.5

  • Has 14 hp more
  • Is 73 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 14 hp/t better power-to-weight
  • Has 10 km (6 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

Lexus GS IV Facelift 2015 450h V6

  • Has 2 Nm more
  • Uses 0.3 L/100 km less fuel
  • Emits 7 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q50 3.5
Lexus GS IV 450h V6
Compare selected cars
2 vehicles selected

Popular comparisons

3.5
740d
VS
InfinitiQ50Facelift 20173.5vsBMW7 Series (G11)740d
450h V6
450h
VS
LexusGS IVFacelift 2015450h V6vsLexusGS IV450h
3.5
2.0 T6
VS
InfinitiQ50Facelift 20173.5vsVolvoS60 IIFacelift 20132.0 T6
450h V6
300
VS
LexusGS IVFacelift 2015450h V6vsLexusGS I300
3.5
3.0d V6
VS
InfinitiQ50Facelift 20173.5vsJaguarXJ (X351)Facelift 20153.0d V6
450h V6
350 V6
VS
LexusGS IVFacelift 2015450h V6vsLexusES VI (XV60)Facelift 2015350 V6
3.5
2.0
VS
InfinitiQ50Facelift 20173.5vsJaguarXF (X260)2.0
3.5
2.0
VS
InfinitiQ50Facelift 20173.5vsJaguarXE (X760)2.0
450h V6
50 TDI V6
VS
LexusGS IVFacelift 2015450h V6vsAUDIA8 (D5)50 TDI V6
3.5
2.0 TFSI
VS
InfinitiQ50Facelift 20173.5vsAUDIS3 Sedan (8V)Facelift 20162.0 TFSI
450h V6
50 TDI V6
VS
LexusGS IVFacelift 2015450h V6vsAUDIA8L (D5)50 TDI V6
3.5
2.5
VS
InfinitiQ50Facelift 20173.5vsSubaruWRX STIFacelift 20182.5
Infiniti Q50 · Facelift 2017 3.5 vs Lexus GS IV · Facelift 2015 450h V6 - car comparison - FastVsFaster