Car comparison

Porsche 911 Cabriolet (992) Carrera 4S 3.0vsFord Mustang VI Convertible · Facelift 2017 GT/CS 5.0 V8

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

New comparison

Porsche 911 Cabriolet (992)

Carrera 4S 3.0

450 hp2981 ccGasolineAWDDual-clutchTwin-turboCabriolet / convertible2019-2024

Ford Mustang VI Convertible · Facelift 2017

GT/CS 5.0 V8

450 hp5038 ccGasolineRWDManualNaturally aspiratedCabriolet / convertible2022-2023

Comparison overview

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

Porsche 911 Cabriolet (992) Carrera 4S 3.0

Quickest 0-100 km/h
3.6 s
Fastest top speed
304 km/h
189 mph
Most powerful
450 hp
336 kW
Highest torque
530 Nm
391 lb-ft
Lightest
1,635 kg
3,605 lb
Best power-to-weight
275 hp/t
205 kW/t
3.6 kg/hp
Lowest combined fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Best estimated range
744 km
463 mi
Best overall score
70/100
Best performance score
85/100
Best economy score
83/100

Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8

Largest trunk
332 L
Best practicality score
46/100

Specification comparison

Specification comparison
Model	Porsche911 Cabriolet (992)Carrera 4S 3.0	FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8
Power	450hp336kW	450hp336kW
Torque	530Nm391lb-ft	529Nm390lb-ft
Curb weight	1,635kg3,605lb	1,732kg3,818lb
Gross weight	2,065kg4,553lb	2,150kg4,740lb
Top speed	304 km/h 189 mph	249 km/h 155 mph
To 99% top speed	52.7s99% target: 301 km/h / 187 mph Calculated	57.6s99% target: 247 km/h / 153 mph Calculated
0-100 km/h	3.6s	4.8s
0-200 km/h	10.7s Calculated	17.7s Calculated
0-60 mph	3.4s Calculated	4.6s Calculated
Fuel consumption	9L/100 km26.1mpg US31.4mpg UK	12.1L/100 km19.4mpg US23.3mpg UK
Fuel consumption city	11.1L/100 km21.2mpg US25.4mpg UK	-
Fuel consumption highway	7.8L/100 km30.2mpg US36.2mpg UK	-
Quarter mile	11.4s Calculated	13.0s Calculated
Power-to-weight	275hp/t205kW/t125hp/1000 lb Calculated	260hp/t194kW/t118hp/1000 lb Calculated
Torque-to-weight	324Nm/t217lb-ft/ton Calculated	305Nm/t204lb-ft/ton Calculated
Estimated range	744km463mi Calculated	504km313mi Calculated
Displacement	2,981cc182cu in	5,038cc307cu in
Length	4,519mm178in	4,789mm189in
Width	1,852mm73in	1,916mm75in
Height	1,299mm51in	1,396mm55in
Wheelbase	2,450mm96in	2,720mm107in
Front track	1,589mm63in	1,642mm65in
Rear track	1,557mm61in	1,642mm65in
Ground clearance	-	144mm6in
Trunk volume	132L	332L
Max trunk volume	163L	-
Doors	2	2
Seats	4	4
Fuel tank	67L	61L
CO2 emissions	207g/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 Cabriolet (992) Carrera 4S 3.0Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
Porsche911 Cabriolet (992)Carrera 4S 3.0	6,500 rpm	2,300-5,000 rpm	7,500 rpm
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	7,000 rpm	4,600 rpm	7,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Porsche911 Cabriolet (992)Carrera 4S 3.0	FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.4 s	4.6 s
0-100 km/h 0-62 mph	3.6 s	4.8 s
0-200 km/h 0-124 mph	10.7 s	17.7 s
Top speed	304 km/h 189 mph	249 km/h 155 mph
	Drag race simulation
60 ft 18 m	1.9 s	2.1 s
330 ft 101 m	5.0 s	5.6 s
1/8 mile 201 m	7.5 s	8.5 s
1000 ft 305 m	9.6 s	10.9 s
1/4 mile 402 m	11.4 s	13.0 s
Trap speed 1/4 mile 402 m	207 km/h 128 mph	177 km/h 110 mph

Power comparison

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

Chart data table
Vehicle	Value
Porsche911 Cabriolet (992)Carrera 4S 3.0	450 hp 336 kW
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	450 hp 336 kW

Torque comparison

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

Chart data table
Vehicle	Value
Porsche911 Cabriolet (992)Carrera 4S 3.0	530 Nm 391 lb-ft
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	529 Nm 390 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Porsche911 Cabriolet (992)Carrera 4S 3.0	1,635 kg 3,605 lb
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	1,732 kg 3,818 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 Cabriolet (992)Carrera 4S 3.0	304 km/h 189 mph
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	249 km/h 155 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Porsche911 Cabriolet (992)Carrera 4S 3.0	3.6 s
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	4.8 s

The biggest 0-100 km/h difference is between Porsche 911 Cabriolet (992) Carrera 4S 3.0 and Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8: 1.2 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 Cabriolet (992)Carrera 4S 3.0	9.0 L/100 km 26.1 mpg US 31.4 mpg UK
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	12.1 L/100 km 19.4 mpg US 23.3 mpg UK

The biggest fuel consumption difference is between Porsche 911 Cabriolet (992) Carrera 4S 3.0 and Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8: 3.1 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 Cabriolet (992)Carrera 4S 3.0	275 hp/t 205 kW/t 3.6 kg/hp
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	260 hp/t 194 kW/t 3.8 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
Porsche911 Cabriolet (992)Carrera 4S 3.0	744 km 463 mi
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	504 km 313 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Porsche911 Cabriolet (992)Carrera 4S 3.0	450 hp 336 kW	3.6 s	304 km/h 189 mph
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	450 hp 336 kW	4.8 s	249 km/h 155 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 Cabriolet (992)Carrera 4S 3.0

Power	450 hp 336 kW
0-100 km/h	3.6 s
Top speed 304 km/h 189 mph

Doors/seats	2 doors 4 seats
Trunk	132 L 4.7 cu ft
Length	4,519 mm 177.9 in
Height	1,299 mm 51.1 in

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power	450 hp 336 kW
0-100 km/h	4.8 s
Top speed 249 km/h 155 mph

Doors/seats	2 doors 4 seats
Trunk	332 L 11.7 cu ft
Length	4,789 mm 188.5 in
Height	1,396 mm 55.0 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 Cabriolet (992)Carrera 4S 3.0

Power	450 hp 336 kW
0-100 km/h	3.6 s
Top speed 304 km/h 189 mph

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power	450 hp 336 kW
0-100 km/h	4.8 s
Top speed 249 km/h 155 mph

12.1 L/100 km

19.4 mpg US

23.3 mpg UK

Porsche 911 Cabriolet (992) Carrera 4S 3.0 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 Cabriolet (992)Carrera 4S 3.0	9.0 L/100 km 26.1 mpg US 31.4 mpg UK	3.6 s
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	12.1 L/100 km 19.4 mpg US 23.3 mpg UK	4.8 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 Cabriolet (992)Carrera 4S 3.0	275 hp/t 205 kW/t 3.6 kg/hp	9.0 L/100 km 26.1 mpg US 31.4 mpg UK
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	260 hp/t 194 kW/t 3.8 kg/hp	12.1 L/100 km 19.4 mpg US 23.3 mpg UK

Detailed score breakdown

Vehicle

Porsche911 Cabriolet (992)Carrera 4S 3.0

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power

450 hp

336 kW

450 hp

336 kW

Torque

530 Nm

391 lb-ft

529 Nm

390 lb-ft

Acceleration

3.6 s

4.8 s

Top speed

304 km/h

189 mph

249 km/h

155 mph

Lightness

1,635 kg

3,605 lb

1,732 kg

3,818 lb

Fuel consumption

9.0 L/100 km

26.1 mpg US

31.4 mpg UK

12.1 L/100 km

19.4 mpg US

23.3 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	132 L 4.7 cu ft
Length	4,519 mm 177.9 in
Height	1,299 mm 51.1 in

Doors/seats	2 doors 4 seats
Trunk	332 L 11.7 cu ft
Length	4,789 mm 188.5 in
Height	1,396 mm 55.0 in

Range score

744 km

463 mi

504 km

313 mi

CO2 score

207 g/km

Trunk score

132 L

4.7 cu ft

332 L

11.7 cu ft

Power-to-weight score

275 hp/t

205 kW/t

3.6 kg/hp

260 hp/t

194 kW/t

3.8 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 Cabriolet (992) Carrera 4S 3.0	Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8
Consumption	9 L/100 km26.1 mpg US31.4 mpg UK	12.1 L/100 km19.4 mpg US23.3 mpg UK
Cost / 100 km	15.75 LC100 km	21.18 LC100 km
Cost / 100 mi	25.35 LC100 mi	34.08 LC100 mi
Annual fuel used	1,350 L357 US gal297 UK gal	1,815 L479 US gal399 UK gal
Annual fuel cost	2,363 LC/year	3,176 LC/year