Car comparison

Lexus GS IV · Facelift 2015 450h V6vsSubaru WRX STI · Facelift 2018 2.5

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

New comparison

Lexus GS IV · Facelift 2015

450h V6

292 hp3456 ccGasolineRWDCVTNaturally aspiratedSedan2016-2019
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

Lexus GS IV Facelift 2015 450h V6

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • 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 highway consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest CO2 emissions
    137 g/km
  • Best estimated range
    1,119 km
    695 mi
  • Best economy score
    91/100
  • Best practicality score
    78/100

Subaru WRX STI Facelift 2018 2.5

  • Quickest 0-100 km/h
    5.2 s
  • Most powerful
    300 hp
    224 kW
  • Highest torque
    407 Nm
    300 lb-ft
  • Lightest
    1,566 kg
    3,452 lb
  • Best power-to-weight
    192 hp/t
    143 kW/t
    5.2 kg/hp
  • Best overall score
    69/100
  • Best performance score
    67/100

Specification comparison

Specification comparison
ModelLexusGS IVFacelift 2015450h V6SubaruWRX STIFacelift 20182.5
Power
292hp218kW
300hp224kW
Torque
352Nm260lb-ft
407Nm300lb-ft
Curb weight
1,860kg4,101lb
1,566kg3,452lb
Gross weight
2,305kg5,082lb
2,000kg4,409lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
255 km/h
158 mph
To 99% top speed
61.3s99% target: 262 km/h / 163 mph
Calculated
48.2s99% target: 252 km/h / 157 mph
Calculated
0-100 km/h
5.9s
5.2s
0-200 km/h
18.1s
Calculated
16.0s
Calculated
0-60 mph
5.6s
Calculated
5.0s
Calculated
Fuel consumption
5.9L/100 km39.9mpg US47.9mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption city
6.5L/100 km36.2mpg US43.5mpg UK
15.4L/100 km15.3mpg US18.3mpg UK
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
8.7L/100 km27mpg US32.5mpg UK
Quarter mile
13.8s
Calculated
13.2s
Calculated
Power-to-weight
157hp/t117kW/t71hp/1000 lb
Calculated
192hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
189Nm/t127lb-ft/ton
Calculated
260Nm/t174lb-ft/ton
Calculated
Estimated range
1,119km695mi
Calculated
536km333mi
Calculated
Displacement
3,456cc211cu in
2,457cc150cu in
Length
4,880mm192in
4,595mm181in
Width
1,840mm72in
1,795mm71in
Height
1,455mm57in
1,475mm58in
Wheelbase
2,850mm112in
2,650mm104in
Front track
1,575mm62in
1,530mm60in
Rear track
1,590mm63in
1,540mm61in
Ground clearance
130mm5in
135mm5in
Trunk volume-
460L
Doors
4
4
Seats
5
5
Fuel tank
66L
60L
CO2 emissions
137g/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.

Lexus GS IV Facelift 2015 450h V6Subaru WRX STI Facelift 2018 2.5PowerTorque
  • Lexus GS IV Facelift 2015 450h V6: Power / Torque
  • Subaru WRX STI Facelift 2018 2.5: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
LexusGS IVFacelift 2015450h V66,000 rpm4,500 rpm6,250 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
MetricLexusGS IVFacelift 2015450h V6SubaruWRX STIFacelift 20182.5
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
5.0 s
0-100 km/h
0-62 mph
5.9 s
5.2 s
0-200 km/h
0-124 mph
18.1 s
16.0 s
Top speed
Unrestricted
265 km/h165 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
6.3 s
6.0 s
1/8 mile
201 m
9.2 s
8.8 s
1000 ft
305 m
11.8 s
11.2 s
1/4 mile
402 m
13.8 s
13.2 s
Trap speed
1/4 mile
402 m
175 km/h
109 mph
183 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015450h V6
292 hp
218 kW
SubaruWRX STIFacelift 20182.5
300 hp
224 kW

Subaru WRX STI Facelift 2018 2.5 has 8 hp more than Lexus GS IV Facelift 2015 450h V6.

The biggest power difference is between Lexus GS IV Facelift 2015 450h V6 and Subaru WRX STI Facelift 2018 2.5: 8 hp (6 kW).

Torque comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015450h V6
352 Nm
260 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
LexusGS IVFacelift 2015450h V6
1,860 kg
4,101 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
LexusGS IVFacelift 2015450h V6
Unrestricted
265 km/h165 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
LexusGS IVFacelift 2015450h V65.9 s
SubaruWRX STIFacelift 20182.55.2 s

The biggest 0-100 km/h difference is between Subaru WRX STI Facelift 2018 2.5 and Lexus GS IV Facelift 2015 450h V6: 0.7 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015450h V6
5.9 L/100 km
39.9 mpg US
47.9 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 Lexus GS IV Facelift 2015 450h V6 and Subaru WRX STI Facelift 2018 2.5: 5.3 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
LexusGS IVFacelift 2015450h V6
157 hp/t
117 kW/t
6.4 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
LexusGS IVFacelift 2015450h V6
1,119 km
695 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
LexusGS IVFacelift 2015450h V6
292 hp
218 kW
5.9 s
Unrestricted
265 km/h165 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
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
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
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
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

Lexus GS IV Facelift 2015 450h 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
LexusGS IVFacelift 2015450h V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
5.9 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
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
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
VehicleLexusGS IVFacelift 2015450h V6SubaruWRX STIFacelift 20182.5
Power
292 hp
218 kW
300 hp
224 kW
Torque
352 Nm
260 lb-ft
407 Nm
300 lb-ft
Acceleration
5.9 s
5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
255 km/h
158 mph
Lightness
1,860 kg
4,101 lb
1,566 kg
3,452 lb
Fuel consumption
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
4,880 mm
192.1 in
Height
1,455 mm
57.3 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
1,119 km
695 mi
536 km
333 mi
CO2 score
137 g/km
259 g/km
Trunk score
-
460 L
16.2 cu ft
Power-to-weight score
157 hp/t
117 kW/t
6.4 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
VehicleLexus GS IV Facelift 2015 450h V6Subaru WRX STI Facelift 2018 2.5
Consumption5.9 L/100 km39.9 mpg US47.9 mpg UK11.2 L/100 km21 mpg US25.2 mpg UK
Cost / 100 km10.33 LC100 km19.60 LC100 km
Cost / 100 mi16.62 LC100 mi31.54 LC100 mi
Annual fuel used885 L234 US gal195 UK gal1,680 L444 US gal370 UK gal
Annual fuel cost1,549 LC/year2,940 LC/year

Head-to-head comparisons

Lexus GS IV Facelift 2015 450h V6

  • Has 10 km/h (6 mph) higher top speed
  • Uses 5.3 L/100 km less fuel
  • Has 583 km (362 mi) more estimated range
  • Emits 122 g/km less CO2

Pros

  • Highest top speed
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Subaru WRX STI Facelift 2018 2.5

  • Has 8 hp more
  • Has 55 Nm more
  • Is 294 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 35 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Most powerful
  • Highest torque
  • 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
Lexus GS IV 450h V6
Subaru WRX STI 2.5
Compare selected cars
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Lexus GS IV · Facelift 2015 450h V6 vs Subaru WRX STI · Facelift 2018 2.5 - car comparison - FastVsFaster