Car comparison

Porsche 911 (991 II) GT2 RS 3.8vsIsdera Commendatore GT 105 kWh

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

New comparison

Porsche 911 (991 II)

GT2 RS 3.8

700 hp3800 ccGasolineRWDDual-clutchTwin-turboCoupe2017-2019
VS

Isdera Commendatore GT

105 kWh

816 hpElectricAWDAutomaticCoupe2018-present

Comparison overview

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

Best choices

Porsche 911 (991 II) GT2 RS 3.8

  • Quickest 0-100 km/h
    2.8 s
  • Fastest top speed
    340 km/h
    211 mph
  • Lightest
    1,470 kg
    3,241 lb
  • Best power-to-weight
    476 hp/t
    355 kW/t
    2.1 kg/hp
  • Best performance score
    95/100
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelPorsche911 (991 II)GT2 RS 3.8IsderaCommendatore GT105 kWh
Power
700hp522kW
816hp608kW
Torque
750Nm553lb-ft
-
Curb weight
1,470kg3,241lb
1,750kg3,858lb
Gross weight
1,830kg4,034lb
-
Top speed
340 km/h
211 mph
302 km/h
188 mph
To 99% top speed
56.2s99% target: 337 km/h / 209 mph
Calculated
40.4s99% target: 299 km/h / 186 mph
Calculated
0-100 km/h
2.8s
3.7s
0-200 km/h
8.3s
9.8s
0-60 mph
2.7s
Calculated
3.6s
Calculated
Fuel consumption
11.8L/100 km19.9mpg US23.9mpg UK
-
Fuel consumption city
18.1L/100 km13mpg US15.6mpg UK
-
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
-
Quarter mile
10.3s
Calculated
11.3s
Calculated
Power-to-weight
476hp/t355kW/t216hp/1000 lb
Calculated
466hp/t348kW/t212hp/1000 lb
Calculated
Torque-to-weight
510Nm/t341lb-ft/ton
Calculated
-
Estimated range
542km337mi
Calculated
-
Displacement
3,800cc232cu in
-
Length
4,549mm179in
4,920mm194in
Width
1,880mm74in
1,950mm77in
Height
1,297mm51in
1,290mm51in
Wheelbase
2,453mm97in
2,820mm111in
Front track
1,588mm63in
-
Rear track
1,557mm61in
-
Trunk volume
115L
-
Doors
2
2
Seats
2
4
Fuel tank
64L
-
CO2 emissions
269g/km
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 (991 II)GT2 RS 3.8IsderaCommendatore GT105 kWh
Acceleration checkpoints
0-60 mph
0-97 km/h
2.7 s
3.6 s
0-100 km/h
0-62 mph
2.8 s
3.7 s
0-200 km/h
0-124 mph
8.3 s
9.8 s
0-200 mph
0-322 km/h
33.3 s
-
Top speed
340 km/h
211 mph
302 km/h
188 mph
Drag race simulation
60 ft
18 m
1.7 s
2.1 s
330 ft
101 m
4.5 s
5.1 s
1/8 mile
201 m
6.8 s
7.5 s
1000 ft
305 m
8.7 s
9.6 s
1/4 mile
402 m
10.3 s
11.3 s
Trap speed
1/4 mile
402 m
224 km/h
139 mph
216 km/h
134 mph

Power comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
700 hp
522 kW
IsderaCommendatore GT105 kWh
816 hp
608 kW

Isdera Commendatore GT 105 kWh has 116 hp more than Porsche 911 (991 II) GT2 RS 3.8.

The biggest power difference is between Porsche 911 (991 II) GT2 RS 3.8 and Isdera Commendatore GT 105 kWh: 116 hp (87 kW).

Curb weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
1,470 kg
3,241 lb
IsderaCommendatore GT105 kWh
1,750 kg
3,858 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 (991 II)GT2 RS 3.8
340 km/h
211 mph
IsderaCommendatore GT105 kWh
302 km/h
188 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.82.8 s
IsderaCommendatore GT105 kWh3.7 s

Although Isdera Commendatore GT 105 kWh has more power, Porsche 911 (991 II) GT2 RS 3.8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (991 II) GT2 RS 3.8 and Isdera Commendatore GT 105 kWh: 0.9 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
Porsche911 (991 II)GT2 RS 3.8
476 hp/t
355 kW/t
2.1 kg/hp
IsderaCommendatore GT105 kWh
466 hp/t
348 kW/t
2.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 (991 II)GT2 RS 3.8
700 hp
522 kW
2.8 s
340 km/h
211 mph
IsderaCommendatore GT105 kWh
816 hp
608 kW
3.7 s
302 km/h
188 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 (991 II)GT2 RS 3.8
Power
700 hp
522 kW
0-100 km/h2.8 s
Top speed
340 km/h
211 mph
Doors/seats
2 doors
2 seats
Trunk
115 L
4.1 cu ft
Length
4,549 mm
179.1 in
Height
1,297 mm
51.1 in
IsderaCommendatore GT105 kWh
Power
816 hp
608 kW
0-100 km/h3.7 s
Top speed
302 km/h
188 mph
Doors/seats
2 doors
4 seats
Trunk-
Length
4,920 mm
193.7 in
Height
1,290 mm
50.8 in

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 (991 II)GT2 RS 3.8IsderaCommendatore GT105 kWh
Power
700 hp
522 kW
816 hp
608 kW
Torque
750 Nm
553 lb-ft
-
Acceleration
2.8 s
3.7 s
Top speed
340 km/h
211 mph
302 km/h
188 mph
Lightness
1,470 kg
3,241 lb
1,750 kg
3,858 lb
Fuel consumption
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
-
Practicality
Doors/seats
2 doors
2 seats
Trunk
115 L
4.1 cu ft
Length
4,549 mm
179.1 in
Height
1,297 mm
51.1 in
Doors/seats
2 doors
4 seats
Trunk-
Length
4,920 mm
193.7 in
Height
1,290 mm
50.8 in
Range score
542 km
337 mi
-
CO2 score
269 g/km
-
Trunk score
115 L
4.1 cu ft
-
Power-to-weight score
476 hp/t
355 kW/t
2.1 kg/hp
466 hp/t
348 kW/t
2.1 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 (991 II) GT2 RS 3.8
Consumption11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km20.65 LC100 km
Cost / 100 mi33.23 LC100 mi
Annual fuel used1,770 L468 US gal389 UK gal
Annual fuel cost3,098 LC/year

Head-to-head comparisons

Porsche 911 (991 II) GT2 RS 3.8

  • Is 280 kg lighter
  • Is 0.9 s quicker from 0-100 km/h
  • Has 38 km/h (24 mph) higher top speed
  • Has 10 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 (991 II) GT2 RS 3.8
Isdera Commendatore GT 105 kWh
Compare selected cars
2 vehicles selected

Popular comparisons

GT2 RS 3.8
Turbo S 3.8
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 (992)Turbo S 3.8
105 kWh
SP2 6.5 V12
VS
IsderaCommendatore GT105 kWhvsFerrariMonza SPSP2 6.5 V12
GT2 RS 3.8
GT2 RS 3.6
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 (997)Facelift 2008GT2 RS 3.6
105 kWh
5.2 V12
VS
IsderaCommendatore GT105 kWhvsAston MartinDBS Superleggera5.2 V12
GT2 RS 3.8
Turbo S 3.6
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 (992)Facelift 2024Turbo S 3.6
105 kWh
6.5 V12
VS
IsderaCommendatore GT105 kWhvsFerrari812 Superfast6.5 V12
GT2 RS 3.8
Turbo S 3.8
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 (991)Turbo S 3.8
105 kWh
6.5 V12
VS
IsderaCommendatore GT105 kWhvsLamborghiniAventador S Coupe6.5 V12
GT2 RS 3.8
Turbo S 3.8
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 Cabriolet (992)Turbo S 3.8
105 kWh
6.5 V12
VS
IsderaCommendatore GT105 kWhvsFerrari812 GTS6.5 V12
GT2 RS 3.8
GT2 3.6
VS
Porsche911 (991 II)GT2 RS 3.8vsPorsche911 (997)GT2 3.6
105 kWh
3.9 V8
VS
IsderaCommendatore GT105 kWhvsFerrari488 Pista Spider3.9 V8
Porsche 911 (991 II) GT2 RS 3.8 vs Isdera Commendatore GT 105 kWh - car comparison - FastVsFaster