Car comparison

Porsche 911 (991) Carrera 4S 3.8vsPorsche 911 Cabriolet (992) · Facelift 2024 Carrera 3.0

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

New comparison

Porsche 911 (991)

Carrera 4S 3.8

400 hp3800 ccGasolineAWDDual-clutchNaturally aspiratedCoupe2012-2015

Porsche 911 Cabriolet (992) · Facelift 2024

Carrera 3.0

394 hp2981 ccGasolineRWDDual-clutchTwin-turboCabriolet / convertible2024-present

Comparison overview

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

Porsche 911 (991) Carrera 4S 3.8

Quickest 0-100 km/h
4.1 s
Fastest top speed
297 km/h
185 mph
Most powerful
400 hp
298 kW
Lightest
1,485 kg
3,274 lb
Best power-to-weight
269 hp/t
201 kW/t
3.7 kg/hp
Lowest combined fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Largest trunk
385 L
Best overall score
70/100
Best performance score
79/100
Best economy score
82/100

Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0

Highest torque
450 Nm
332 lb-ft
Best practicality score
53/100

Specification comparison

Specification comparison
Model	Porsche911 (991)Carrera 4S 3.8	Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0
Power	400hp298kW	394hp294kW
Torque	440Nm325lb-ft	450Nm332lb-ft
Curb weight	1,485kg3,274lb	1,600kg3,527lb
Gross weight	1,895kg4,178lb	2,015kg4,442lb
Top speed	297 km/h 185 mph	291 km/h 181 mph
To 99% top speed	58.2s99% target: 294 km/h / 183 mph Calculated	82.9s99% target: 288 km/h / 179 mph Calculated
0-100 km/h	4.1s	4.3s
0-200 km/h	12.3s Calculated	15.1s
0-60 mph	3.9s Calculated	4.1s Calculated
Fuel consumption	9.1L/100 km25.8mpg US31.0mpg UK	10.6L/100 km22.2mpg US26.6mpg UK
Fuel consumption city	12.4L/100 km19mpg US22.8mpg UK	-
Fuel consumption highway	7L/100 km33.6mpg US40.4mpg UK	-
Quarter mile	12.0s Calculated	12.4s Calculated
Power-to-weight	269hp/t201kW/t122hp/1000 lb Calculated	246hp/t184kW/t112hp/1000 lb Calculated
Torque-to-weight	296Nm/t198lb-ft/ton Calculated	281Nm/t188lb-ft/ton Calculated
Estimated range	747km464mi Calculated	-
Displacement	3,800cc232cu in	2,981cc182cu in
Length	4,491mm177in	4,542mm179in
Width	1,852mm73in	1,852mm73in
Height	1,295mm51in	2,450mm96in
Wheelbase	2,450mm96in	-
Front track	1,538mm61in	-
Rear track	1,552mm61in	-
Trunk volume	385L	-
Max trunk volume	-	135L
Doors	2	2
Seats	4	4
Fuel tank	68L	-
CO2 emissions	212g/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
Metric	Porsche911 (991)Carrera 4S 3.8	Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.9 s	4.1 s
0-100 km/h 0-62 mph	4.1 s	4.3 s
0-200 km/h 0-124 mph	12.3 s	15.1 s
Top speed	297 km/h 185 mph	291 km/h 181 mph
	Drag race simulation
60 ft 18 m	2.1 s	2.0 s
330 ft 101 m	5.3 s	5.3 s
1/8 mile 201 m	7.9 s	8.1 s
1000 ft 305 m	10.1 s	10.4 s
1/4 mile 402 m	12.0 s	12.4 s
Trap speed 1/4 mile 402 m	197 km/h 123 mph	183 km/h 114 mph

Power comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	400 hp 298 kW
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	394 hp 294 kW

Porsche 911 (991) Carrera 4S 3.8 has 6 hp more than Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0.

The biggest power difference is between Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0 and Porsche 911 (991) Carrera 4S 3.8: 6 hp (4 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	440 Nm 325 lb-ft
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	450 Nm 332 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	1,485 kg 3,274 lb
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	1,600 kg 3,527 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	297 km/h 185 mph
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	291 km/h 181 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	4.1 s
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	4.3 s

The biggest 0-100 km/h difference is between Porsche 911 (991) Carrera 4S 3.8 and Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0: 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
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 4S 3.8 and Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0: 1.5 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Porsche911 (991)Carrera 4S 3.8	269 hp/t 201 kW/t 3.7 kg/hp
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	246 hp/t 184 kW/t 4.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 (991)Carrera 4S 3.8	400 hp 298 kW	4.1 s	297 km/h 185 mph
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	394 hp 294 kW	4.3 s	291 km/h 181 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Porsche911 (991)Carrera 4S 3.8

Power	400 hp 298 kW
0-100 km/h	4.1 s
Top speed 297 km/h 185 mph

Doors/seats	2 doors 4 seats
Trunk	385 L 13.6 cu ft
Length	4,491 mm 176.8 in
Height	1,295 mm 51.0 in

Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0

Power	394 hp 294 kW
0-100 km/h	4.3 s
Top speed 291 km/h 181 mph

Doors/seats	2 doors 4 seats
Trunk	135 L 4.8 cu ft
Length	4,542 mm 178.8 in
Height	2,450 mm 96.5 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Porsche911 (991)Carrera 4S 3.8

Power	400 hp 298 kW
0-100 km/h	4.1 s
Top speed 297 km/h 185 mph

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0

Power	394 hp 294 kW
0-100 km/h	4.3 s
Top speed 291 km/h 181 mph

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Porsche 911 (991) Carrera 4S 3.8 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Porsche911 (991)Carrera 4S 3.8	9.1 L/100 km 25.8 mpg US 31.0 mpg UK	4.1 s
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	10.6 L/100 km 22.2 mpg US 26.6 mpg UK	4.3 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Porsche911 (991)Carrera 4S 3.8	269 hp/t 201 kW/t 3.7 kg/hp	9.1 L/100 km 25.8 mpg US 31.0 mpg UK
Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0	246 hp/t 184 kW/t 4.1 kg/hp	10.6 L/100 km 22.2 mpg US 26.6 mpg UK

Detailed score breakdown

Vehicle

Porsche911 (991)Carrera 4S 3.8

Porsche911 Cabriolet (992)Facelift 2024Carrera 3.0

Power

400 hp

298 kW

394 hp

294 kW

Torque

440 Nm

325 lb-ft

450 Nm

332 lb-ft

Acceleration

4.1 s

4.3 s

Top speed

297 km/h

185 mph

291 km/h

181 mph

Lightness

1,485 kg

3,274 lb

1,600 kg

3,527 lb

Fuel consumption

9.1 L/100 km

25.8 mpg US

31.0 mpg UK

10.6 L/100 km

22.2 mpg US

26.6 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	385 L 13.6 cu ft
Length	4,491 mm 176.8 in
Height	1,295 mm 51.0 in

Doors/seats	2 doors 4 seats
Trunk	135 L 4.8 cu ft
Length	4,542 mm 178.8 in
Height	2,450 mm 96.5 in

Range score

747 km

464 mi

CO2 score

212 g/km

Trunk score

385 L

13.6 cu ft

135 L

4.8 cu ft

Power-to-weight score

269 hp/t

201 kW/t

3.7 kg/hp

246 hp/t

184 kW/t

4.1 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Porsche 911 (991) Carrera 4S 3.8	Porsche 911 Cabriolet (992) Facelift 2024 Carrera 3.0
Consumption	9.1 L/100 km25.8 mpg US31 mpg UK	10.6 L/100 km22.2 mpg US26.6 mpg UK
Cost / 100 km	15.92 LC100 km	18.55 LC100 km
Cost / 100 mi	25.63 LC100 mi	29.85 LC100 mi
Annual fuel used	1,365 L361 US gal300 UK gal	1,590 L420 US gal350 UK gal
Annual fuel cost	2,389 LC/year	2,783 LC/year