Car comparison

Porsche 911 (992) GT3 RS 4.0vsKTM X-Bow GT-XR 2.5 TFSI

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

New comparison

Porsche 911 (992)

GT3 RS 4.0

525 hp3996 ccGasolineRWDDual-clutchNaturally aspiratedCoupe2022-2024
VS

KTM X-Bow GT-XR

2.5 TFSI

500 hp2480 ccGasolineRWDDual-clutchTurbochargedCoupe2023-present

Comparison overview

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

Best choices

KTM X-Bow GT-XR 2.5 TFSI

  • Highest torque
    581 Nm
    429 lb-ft
  • Lightest
    1,130 kg
    2,491 lb
  • Best power-to-weight
    442 hp/t
    330 kW/t
    2.3 kg/hp
  • Lowest combined fuel consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Best estimated range
    1,055 km
    656 mi
  • Best performance score
    91/100
  • Best economy score
    82/100

Porsche 911 (992) GT3 RS 4.0

  • Quickest 0-100 km/h
    3.2 s
  • Fastest top speed
    296 km/h
    184 mph
  • Most powerful
    525 hp
    391 kW
  • Best overall score
    71/100
  • Best practicality score
    39/100

Specification comparison

Specification comparison
ModelPorsche911 (992)GT3 RS 4.0KTMX-Bow GT-XR2.5 TFSI
Power
525hp391kW
500hp373kW
Torque
465Nm343lb-ft
581Nm429lb-ft
Curb weight
1,450kg3,197lb
1,130kg2,491lb
Gross weight
1,795kg3,957lb
1,600kg3,527lb
Top speed
296 km/h
184 mph
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
Calculated
To 99% top speed
56.8s99% target: 293 km/h / 182 mph
Calculated
37.0s99% target: 292 km/h / 181 mph
Calculated
0-100 km/h
3.2s
3.4s
0-200 km/h
10.6s
9.2s
Calculated
0-60 mph
3.0s
Calculated
3.3s
Calculated
Fuel consumption
12.7L/100 km18.5mpg US22.2mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Fuel consumption city
17.6L/100 km13.4mpg US16.1mpg UK
-
Fuel consumption highway
9.8L/100 km24mpg US28.8mpg UK
-
Quarter mile
11.1s
Calculated
10.9s
Calculated
Power-to-weight
362hp/t270kW/t164hp/1000 lb
Calculated
442hp/t330kW/t201hp/1000 lb
Calculated
Torque-to-weight
321Nm/t215lb-ft/ton
Calculated
514Nm/t344lb-ft/ton
Calculated
Estimated range
504km313mi
Calculated
1,055km656mi
Calculated
Displacement
3,996cc244cu in
2,480cc151cu in
Length
4,572mm180in
4,626mm182in
Width
1,900mm75in
2,041mm80in
Height
1,322mm52in
1,164mm46in
Wheelbase
2,457mm97in
2,850mm112in
Ground clearance
100mm4in
90mm4in
Trunk volume-
160L
Doors
2
1
Seats
2
2
Fuel tank
64L
96L

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.

Porsche 911 (992) GT3 RS 4.0KTM X-Bow GT-XR 2.5 TFSIPowerTorque
  • Porsche 911 (992) GT3 RS 4.0: Power / Torque
  • KTM X-Bow GT-XR 2.5 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 (992)GT3 RS 4.08,500 rpm6,300 rpm9,000 rpm
KTMX-Bow GT-XR2.5 TFSI6,350 rpm5,550 rpm7,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (992)GT3 RS 4.0KTMX-Bow GT-XR2.5 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
3.0 s
3.3 s
0-100 km/h
0-62 mph
3.2 s
3.4 s
0-200 km/h
0-124 mph
10.6 s
9.2 s
Top speed
296 km/h
184 mph
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
Likely limited
Drag race simulation
60 ft
18 m
1.8 s
2.0 s
330 ft
101 m
4.7 s
4.9 s
1/8 mile
201 m
7.2 s
7.3 s
1000 ft
305 m
9.3 s
9.3 s
1/4 mile
402 m
11.1 s
10.9 s
Trap speed
1/4 mile
402 m
204 km/h
127 mph
218 km/h
136 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
525 hp
391 kW
KTMX-Bow GT-XR2.5 TFSI
500 hp
373 kW

Porsche 911 (992) GT3 RS 4.0 has 25 hp more than KTM X-Bow GT-XR 2.5 TFSI.

The biggest power difference is between KTM X-Bow GT-XR 2.5 TFSI and Porsche 911 (992) GT3 RS 4.0: 25 hp (19 kW).

Torque comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
465 Nm
343 lb-ft
KTMX-Bow GT-XR2.5 TFSI
581 Nm
429 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
1,450 kg
3,197 lb
KTMX-Bow GT-XR2.5 TFSI
1,130 kg
2,491 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
296 km/h
184 mph
KTMX-Bow GT-XR2.5 TFSI
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.03.2 s
KTMX-Bow GT-XR2.5 TFSI3.4 s

The biggest 0-100 km/h difference is between Porsche 911 (992) GT3 RS 4.0 and KTM X-Bow GT-XR 2.5 TFSI: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
KTMX-Bow GT-XR2.5 TFSI
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

The biggest fuel consumption difference is between KTM X-Bow GT-XR 2.5 TFSI and Porsche 911 (992) GT3 RS 4.0: 3.6 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
Porsche911 (992)GT3 RS 4.0
362 hp/t
270 kW/t
2.8 kg/hp
KTMX-Bow GT-XR2.5 TFSI
442 hp/t
330 kW/t
2.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
Porsche911 (992)GT3 RS 4.0
504 km
313 mi
KTMX-Bow GT-XR2.5 TFSI
1,055 km
656 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (992)GT3 RS 4.0
525 hp
391 kW
3.2 s
296 km/h
184 mph
KTMX-Bow GT-XR2.5 TFSI
500 hp
373 kW
3.4 s
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 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
Porsche911 (992)GT3 RS 4.0
Power
525 hp
391 kW
0-100 km/h3.2 s
Top speed
296 km/h
184 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,572 mm
180.0 in
Height
1,322 mm
52.0 in
KTMX-Bow GT-XR2.5 TFSI
Power
500 hp
373 kW
0-100 km/h3.4 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
Doors/seats
1 doors
2 seats
Trunk
160 L
5.7 cu ft
Length
4,626 mm
182.1 in
Height
1,164 mm
45.8 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
Porsche911 (992)GT3 RS 4.0
Power
525 hp
391 kW
0-100 km/h3.2 s
Top speed
296 km/h
184 mph
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
KTMX-Bow GT-XR2.5 TFSI
Power
500 hp
373 kW
0-100 km/h3.4 s
Top speed
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

KTM X-Bow GT-XR 2.5 TFSI 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
Porsche911 (992)GT3 RS 4.0
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
3.2 s
KTMX-Bow GT-XR2.5 TFSI
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
3.4 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
Porsche911 (992)GT3 RS 4.0
362 hp/t
270 kW/t
2.8 kg/hp
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
KTMX-Bow GT-XR2.5 TFSI
442 hp/t
330 kW/t
2.3 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (992)GT3 RS 4.0KTMX-Bow GT-XR2.5 TFSI
Power
525 hp
391 kW
500 hp
373 kW
Torque
465 Nm
343 lb-ft
581 Nm
429 lb-ft
Acceleration
3.2 s
3.4 s
Top speed
296 km/h
184 mph
Unrestricted
295 km/h183 mph
Restricted
280 km/h174 mph
Lightness
1,450 kg
3,197 lb
1,130 kg
2,491 lb
Fuel consumption
12.7 L/100 km
18.5 mpg US
22.2 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,572 mm
180.0 in
Height
1,322 mm
52.0 in
Doors/seats
1 doors
2 seats
Trunk
160 L
5.7 cu ft
Length
4,626 mm
182.1 in
Height
1,164 mm
45.8 in
Range score
504 km
313 mi
1,055 km
656 mi
Trunk score
-
160 L
5.7 cu ft
Power-to-weight score
362 hp/t
270 kW/t
2.8 kg/hp
442 hp/t
330 kW/t
2.3 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
VehiclePorsche 911 (992) GT3 RS 4.0KTM X-Bow GT-XR 2.5 TFSI
Consumption12.7 L/100 km18.5 mpg US22.2 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km22.22 LC100 km15.92 LC100 km
Cost / 100 mi35.77 LC100 mi25.63 LC100 mi
Annual fuel used1,905 L503 US gal419 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost3,334 LC/year2,389 LC/year

Head-to-head comparisons

Porsche 911 (992) GT3 RS 4.0

  • Has 25 hp more
  • Is 0.2 s quicker from 0-100 km/h
  • Has 1 km/h (1 mph) higher top speed

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful

Cons

  • Highest combined fuel consumption
  • Heaviest

KTM X-Bow GT-XR 2.5 TFSI

  • Has 116 Nm more
  • Is 320 kg lighter
  • Uses 3.6 L/100 km less fuel
  • Has 80 hp/t better power-to-weight
  • Has 551 km (342 mi) more estimated range

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (992) GT3 RS 4.0
KTM X-Bow GT-XR 2.5 TFSI
Compare selected cars
2 vehicles selected

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