Car comparison

Porsche 911 Targa (991) 4S 3.8vsPorsche 911 Cabriolet (992) Carrera 3.0

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

New comparison

Porsche 911 Targa (991)

4S 3.8

400 hp3800 ccGasolineAWDDual-clutchNaturally aspirated2014-2015

Porsche 911 Cabriolet (992)

Carrera 3.0

385 hp2981 ccGasolineRWDDual-clutchTwin-turboCabriolet / convertible2019-2024

Comparison overview

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

Porsche 911 Targa (991) 4S 3.8

Quickest 0-100 km/h
4.4 s
Fastest top speed
294 km/h
183 mph
Most powerful
400 hp
298 kW
Lightest
1,575 kg
3,472 lb
Best power-to-weight
254 hp/t
189 kW/t
3.9 kg/hp
Lowest combined fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Lowest highway consumption
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
Best estimated range
739 km
459 mi
Largest trunk
285 L
Best overall score
69/100
Best performance score
78/100
Best economy score
82/100
Best practicality score
51/100

Porsche 911 Cabriolet (992) Carrera 3.0

Highest torque
450 Nm
332 lb-ft
Lowest city consumption
11.4 L/100 km
20.6 mpg US
24.8 mpg UK
Lowest CO2 emissions
210 g/km

Specification comparison

Specification comparison
Model	Porsche911 Targa (991)4S 3.8	Porsche911 Cabriolet (992)Carrera 3.0
Power	400hp298kW	385hp287kW
Torque	440Nm325lb-ft	450Nm332lb-ft
Curb weight	1,575kg3,472lb	1,575kg3,472lb
Gross weight	1,980kg4,365lb	2,015kg4,442lb
Top speed	294 km/h 183 mph	291 km/h 181 mph
To 99% top speed	59.4s99% target: 291 km/h / 181 mph Calculated	61.8s99% target: 288 km/h / 179 mph Calculated
0-100 km/h	4.4s	4.4s
0-200 km/h	13.1s Calculated	13.5s Calculated
0-60 mph	4.2s Calculated	4.2s Calculated
Fuel consumption	9.2L/100 km25.6mpg US30.7mpg UK	9.2L/100 km25.6mpg US30.7mpg UK
Fuel consumption city	12.5L/100 km18.8mpg US22.6mpg UK	11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption highway	7.1L/100 km33.1mpg US39.8mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile	12.3s Calculated	12.3s Calculated
Power-to-weight	254hp/t189kW/t115hp/1000 lb Calculated	244hp/t182kW/t111hp/1000 lb Calculated
Torque-to-weight	279Nm/t187lb-ft/ton Calculated	286Nm/t191lb-ft/ton Calculated
Estimated range	739km459mi Calculated	696km432mi Calculated
Displacement	3,800cc232cu in	2,981cc182cu in
Length	4,491mm177in	4,519mm178in
Width	1,852mm73in	1,852mm73in
Height	1,289mm51in	1,297mm51in
Wheelbase	2,450mm96in	2,450mm96in
Front track	1,538mm61in	1,591mm63in
Rear track	1,552mm61in	1,557mm61in
Trunk volume	285L	-
Max trunk volume	-	132L
Doors	2	2
Seats	4	4
Fuel tank	68L	64L
CO2 emissions	214g/km	210g/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.

Porsche 911 Targa (991) 4S 3.8Porsche 911 Cabriolet (992) Carrera 3.0PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Porsche911 Targa (991)4S 3.8	7,400 rpm	5,600 rpm	7,650 rpm
Porsche911 Cabriolet (992)Carrera 3.0	6,500 rpm	1,950-5,000 rpm	6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 Targa (991)4S 3.8	Porsche911 Cabriolet (992)Carrera 3.0
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.2 s	4.2 s
0-100 km/h 0-62 mph	4.4 s	4.4 s
0-200 km/h 0-124 mph	13.1 s	13.5 s
Top speed	294 km/h 183 mph	291 km/h 181 mph
	Drag race simulation
60 ft 18 m	2.1 s	2.1 s
330 ft 101 m	5.5 s	5.5 s
1/8 mile 201 m	8.1 s	8.1 s
1000 ft 305 m	10.4 s	10.4 s
1/4 mile 402 m	12.3 s	12.3 s
Trap speed 1/4 mile 402 m	194 km/h 120 mph	191 km/h 119 mph

Power comparison

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

Chart data table
Vehicle	Value
Porsche911 Targa (991)4S 3.8	400 hp 298 kW
Porsche911 Cabriolet (992)Carrera 3.0	385 hp 287 kW

Porsche 911 Targa (991) 4S 3.8 has 15 hp more than Porsche 911 Cabriolet (992) Carrera 3.0.

The biggest power difference is between Porsche 911 Cabriolet (992) Carrera 3.0 and Porsche 911 Targa (991) 4S 3.8: 15 hp (11 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Porsche911 Targa (991)4S 3.8	440 Nm 325 lb-ft
Porsche911 Cabriolet (992)Carrera 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 Targa (991)4S 3.8	1,575 kg 3,472 lb
Porsche911 Cabriolet (992)Carrera 3.0	1,575 kg 3,472 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 Targa (991)4S 3.8	294 km/h 183 mph
Porsche911 Cabriolet (992)Carrera 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 Targa (991)4S 3.8	4.4 s
Porsche911 Cabriolet (992)Carrera 3.0	4.4 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 Targa (991)4S 3.8	9.2 L/100 km 25.6 mpg US 30.7 mpg UK
Porsche911 Cabriolet (992)Carrera 3.0	9.2 L/100 km 25.6 mpg US 30.7 mpg UK

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Porsche911 Targa (991)4S 3.8	254 hp/t 189 kW/t 3.9 kg/hp
Porsche911 Cabriolet (992)Carrera 3.0	244 hp/t 182 kW/t 4.1 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Porsche911 Targa (991)4S 3.8	739 km 459 mi
Porsche911 Cabriolet (992)Carrera 3.0	696 km 432 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 Targa (991)4S 3.8	400 hp 298 kW	4.4 s	294 km/h 183 mph
Porsche911 Cabriolet (992)Carrera 3.0	385 hp 287 kW	4.4 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 Targa (991)4S 3.8

Power	400 hp 298 kW
0-100 km/h	4.4 s
Top speed 294 km/h 183 mph

Doors/seats	2 doors 4 seats
Trunk	285 L 10.1 cu ft
Length	4,491 mm 176.8 in
Height	1,289 mm 50.7 in

Porsche911 Cabriolet (992)Carrera 3.0

Power	385 hp 287 kW
0-100 km/h	4.4 s
Top speed 291 km/h 181 mph

Doors/seats	2 doors 4 seats
Trunk	132 L 4.7 cu ft
Length	4,519 mm 177.9 in
Height	1,297 mm 51.1 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 Targa (991)4S 3.8

Power	400 hp 298 kW
0-100 km/h	4.4 s
Top speed 294 km/h 183 mph

9.2 L/100 km

25.6 mpg US

30.7 mpg UK

Porsche911 Cabriolet (992)Carrera 3.0

Power	385 hp 287 kW
0-100 km/h	4.4 s
Top speed 291 km/h 181 mph

9.2 L/100 km

25.6 mpg US

30.7 mpg UK

Porsche 911 Targa (991) 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 Targa (991)4S 3.8	9.2 L/100 km 25.6 mpg US 30.7 mpg UK	4.4 s
Porsche911 Cabriolet (992)Carrera 3.0	9.2 L/100 km 25.6 mpg US 30.7 mpg UK	4.4 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Porsche911 Targa (991)4S 3.8	254 hp/t 189 kW/t 3.9 kg/hp	9.2 L/100 km 25.6 mpg US 30.7 mpg UK
Porsche911 Cabriolet (992)Carrera 3.0	244 hp/t 182 kW/t 4.1 kg/hp	9.2 L/100 km 25.6 mpg US 30.7 mpg UK

Detailed score breakdown

Vehicle

Porsche911 Targa (991)4S 3.8

Porsche911 Cabriolet (992)Carrera 3.0

Power

400 hp

298 kW

385 hp

287 kW

Torque

440 Nm

325 lb-ft

450 Nm

332 lb-ft

Acceleration

4.4 s

Top speed

294 km/h

183 mph

291 km/h

181 mph

Lightness

1,575 kg

3,472 lb

1,575 kg

3,472 lb

Fuel consumption

9.2 L/100 km

25.6 mpg US

30.7 mpg UK

9.2 L/100 km

25.6 mpg US

30.7 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	285 L 10.1 cu ft
Length	4,491 mm 176.8 in
Height	1,289 mm 50.7 in

Doors/seats	2 doors 4 seats
Trunk	132 L 4.7 cu ft
Length	4,519 mm 177.9 in
Height	1,297 mm 51.1 in

Range score

739 km

459 mi

696 km

432 mi

CO2 score

214 g/km

210 g/km

Trunk score

285 L

10.1 cu ft

132 L

4.7 cu ft

Power-to-weight score

254 hp/t

189 kW/t

3.9 kg/hp

244 hp/t

182 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 Targa (991) 4S 3.8	Porsche 911 Cabriolet (992) Carrera 3.0
Consumption	9.2 L/100 km25.6 mpg US30.7 mpg UK	9.2 L/100 km25.6 mpg US30.7 mpg UK
Cost / 100 km	16.10 LC100 km	16.10 LC100 km
Cost / 100 mi	25.91 LC100 mi	25.91 LC100 mi
Annual fuel used	1,380 L365 US gal304 UK gal	1,380 L365 US gal304 UK gal
Annual fuel cost	2,415 LC/year	2,415 LC/year