Car comparison

Porsche 911 (991) Carrera 4S 3.8vsPorsche 911 Cabriolet (992) · Facelift 2024 Carrera T 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 ccGasolineAWDManualNaturally aspiratedCoupe2012-2015

Porsche 911 Cabriolet (992) · Facelift 2024

Carrera T 3.0

394 hp2981 ccGasolineRWDManualTwin-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
4.5 s
Fastest top speed
299 km/h
186 mph
Most powerful
400 hp
298 kW
Lightest
1,465 kg
3,230 lb
Best power-to-weight
273 hp/t
204 kW/t
3.7 kg/hp
Lowest combined fuel consumption
9.9 L/100 km
23.8 mpg US
28.5 mpg UK
Largest trunk
385 L
Best overall score
70/100
Best performance score
79/100
Best economy score
80/100
Best practicality score
50/100

Porsche 911 Cabriolet (992) Facelift 2024 Carrera T 3.0

Highest torque
450 Nm
332 lb-ft

Specification comparison

Specification comparison
Model	Porsche911 (991)Carrera 4S 3.8	Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0
Power	400hp298kW	394hp294kW
Torque	440Nm325lb-ft	450Nm332lb-ft
Curb weight	1,465kg3,230lb	1,580kg3,483lb
Gross weight	1,875kg4,134lb	1,985kg4,376lb
Top speed	299 km/h 186 mph	293 km/h 182 mph
To 99% top speed	64.1s99% target: 296 km/h / 184 mph Calculated	83.6s99% target: 290 km/h / 180 mph Calculated
0-100 km/h	4.5s	4.7s
0-200 km/h	13.4s Calculated	15.8s
0-60 mph	4.3s Calculated	4.5s Calculated
Fuel consumption	9.9L/100 km23.8mpg US28.5mpg UK	11L/100 km21.4mpg US25.7mpg UK
Fuel consumption city	13.8L/100 km17mpg US20.5mpg UK	-
Fuel consumption highway	7.6L/100 km30.9mpg US37.2mpg UK	-
Quarter mile	12.4s Calculated	12.8s Calculated
Power-to-weight	273hp/t204kW/t124hp/1000 lb Calculated	249hp/t186kW/t113hp/1000 lb Calculated
Torque-to-weight	300Nm/t201lb-ft/ton Calculated	285Nm/t191lb-ft/ton Calculated
Estimated range	687km427mi Calculated	-
Displacement	3,800cc232cu in	2,981cc182cu in
Length	4,491mm177in	4,542mm179in
Width	1,852mm73in	1,852mm73in
Height	1,296mm51in	1,292mm51in
Wheelbase	2,450mm96in	2,450mm96in
Front track	1,538mm61in	-
Rear track	1,552mm61in	-
Ground clearance	-	114mm4in
Trunk volume	385L	163L
Doors	2	2
Seats	4	4
Fuel tank	68L	-
CO2 emissions	233g/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 T 3.0
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	4.5 s
0-100 km/h 0-62 mph	4.5 s	4.7 s
0-200 km/h 0-124 mph	13.4 s	15.8 s
Top speed	299 km/h 186 mph	293 km/h 182 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.1 s
330 ft 101 m	5.5 s	5.5 s
1/8 mile 201 m	8.2 s	8.4 s
1000 ft 305 m	10.5 s	10.8 s
1/4 mile 402 m	12.4 s	12.8 s
Trap speed 1/4 mile 402 m	192 km/h 119 mph	181 km/h 113 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 T 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 T 3.0.

The biggest power difference is between Porsche 911 Cabriolet (992) Facelift 2024 Carrera T 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 T 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	1,465 kg 3,230 lb
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	1,580 kg 3,483 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	299 km/h 186 mph
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	293 km/h 182 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	4.5 s
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	4.7 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 T 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	9.9 L/100 km 23.8 mpg US 28.5 mpg UK
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	11.0 L/100 km 21.4 mpg US 25.7 mpg UK

The biggest fuel consumption difference is between Porsche 911 (991) Carrera 4S 3.8 and Porsche 911 Cabriolet (992) Facelift 2024 Carrera T 3.0: 1.1 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	273 hp/t 204 kW/t 3.7 kg/hp
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	249 hp/t 186 kW/t 4.0 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	4.5 s	299 km/h 186 mph
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	394 hp 294 kW	4.7 s	293 km/h 182 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	4.5 s
Top speed 299 km/h 186 mph

Doors/seats	2 doors 4 seats
Trunk	385 L 13.6 cu ft
Length	4,491 mm 176.8 in
Height	1,296 mm 51.0 in

Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0

Power	394 hp 294 kW
0-100 km/h	4.7 s
Top speed 293 km/h 182 mph

Doors/seats	2 doors 4 seats
Trunk	163 L 5.8 cu ft
Length	4,542 mm 178.8 in
Height	1,292 mm 50.9 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	4.5 s
Top speed 299 km/h 186 mph

9.9 L/100 km

23.8 mpg US

28.5 mpg UK

Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0

Power	394 hp 294 kW
0-100 km/h	4.7 s
Top speed 293 km/h 182 mph

11.0 L/100 km

21.4 mpg US

25.7 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	9.9 L/100 km 23.8 mpg US 28.5 mpg UK	4.5 s
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	11.0 L/100 km 21.4 mpg US 25.7 mpg UK	4.7 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	273 hp/t 204 kW/t 3.7 kg/hp	9.9 L/100 km 23.8 mpg US 28.5 mpg UK
Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0	249 hp/t 186 kW/t 4.0 kg/hp	11.0 L/100 km 21.4 mpg US 25.7 mpg UK

Detailed score breakdown

Vehicle

Porsche911 (991)Carrera 4S 3.8

Porsche911 Cabriolet (992)Facelift 2024Carrera T 3.0

Power

400 hp

298 kW

394 hp

294 kW

Torque

440 Nm

325 lb-ft

450 Nm

332 lb-ft

Acceleration

4.5 s

4.7 s

Top speed

299 km/h

186 mph

293 km/h

182 mph

Lightness

1,465 kg

3,230 lb

1,580 kg

3,483 lb

Fuel consumption

9.9 L/100 km

23.8 mpg US

28.5 mpg UK

11.0 L/100 km

21.4 mpg US

25.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	385 L 13.6 cu ft
Length	4,491 mm 176.8 in
Height	1,296 mm 51.0 in

Doors/seats	2 doors 4 seats
Trunk	163 L 5.8 cu ft
Length	4,542 mm 178.8 in
Height	1,292 mm 50.9 in

Range score

687 km

427 mi

CO2 score

233 g/km

Trunk score

385 L

13.6 cu ft

163 L

5.8 cu ft

Power-to-weight score

273 hp/t

204 kW/t

3.7 kg/hp

249 hp/t

186 kW/t

4.0 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 T 3.0
Consumption	9.9 L/100 km23.8 mpg US28.5 mpg UK	11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km	17.33 LC100 km	19.25 LC100 km
Cost / 100 mi	27.88 LC100 mi	30.98 LC100 mi
Annual fuel used	1,485 L392 US gal327 UK gal	1,650 L436 US gal363 UK gal
Annual fuel cost	2,599 LC/year	2,888 LC/year