Car comparison

BMW M4 Convertible (G83) Competition 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

BMW M4 Convertible (G83)

Competition 3.0

510 hp2993 ccGasolineAWDAutomaticTurbochargedCabriolet / convertible2021-2024

Ford Mustang VI Convertible · Facelift 2017

GT/CS 5.0 V8

450 hp5038 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2022-2023

Comparison overview

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

BMW M4 Convertible (G83) Competition 3.0

Quickest 0-100 km/h
3.7 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
510 hp
380 kW
Highest torque
650 Nm
479 lb-ft
Best power-to-weight
266 hp/t
198 kW/t
3.8 kg/hp
Lowest combined fuel consumption
10.2 L/100 km
23.1 mpg US
27.7 mpg UK
Best estimated range
578 km
359 mi
Best overall score
71/100
Best performance score
83/100
Best economy score
79/100

Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8

Lightest
1,743 kg
3,843 lb
Largest trunk
332 L
Best practicality score
46/100

Specification comparison

Specification comparison
Model	BMWM4 Convertible (G83)Competition 3.0	FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8
Power	510hp380kW	450hp336kW
Torque	650Nm479lb-ft	529Nm390lb-ft
Curb weight	1,920kg4,233lb	1,743kg3,843lb
Gross weight	2,345kg5,170lb	2,150kg4,740lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	249 km/h 155 mph
To 99% top speed	49.1s99% target: 257 km/h / 160 mph Calculated	54.2s99% target: 247 km/h / 153 mph Calculated
0-100 km/h	3.7s	4.5s
0-200 km/h	13.2s Calculated	16.6s Calculated
0-60 mph	3.5s Calculated	4.3s Calculated
Fuel consumption	10.2L/100 km23.1mpg US27.7mpg UK	11.6L/100 km20.3mpg US24.4mpg UK
Quarter mile	11.8s Calculated	12.7s Calculated
Power-to-weight	266hp/t198kW/t120hp/1000 lb Calculated	258hp/t193kW/t117hp/1000 lb Calculated
Torque-to-weight	339Nm/t227lb-ft/ton Calculated	303Nm/t203lb-ft/ton Calculated
Estimated range	578km359mi Calculated	526km327mi Calculated
Displacement	2,993cc183cu in	5,038cc307cu in
Length	4,794mm189in	4,789mm189in
Width	1,887mm74in	1,916mm75in
Height	1,395mm55in	1,396mm55in
Wheelbase	2,857mm112in	2,720mm107in
Front track	1,617mm64in	1,642mm65in
Rear track	1,605mm63in	1,642mm65in
Ground clearance	121mm5in	144mm6in
Trunk volume	300L	332L
Max trunk volume	385L	-
Doors	2	2
Seats	4	4
Fuel tank	59L	61L

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.

BMW M4 Convertible (G83) Competition 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
BMWM4 Convertible (G83)Competition 3.0	6,250 rpm	2,750-5,500 rpm	7,200 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	BMWM4 Convertible (G83)Competition 3.0	FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	3.5 s	4.3 s
0-100 km/h 0-62 mph	3.7 s	4.5 s
0-200 km/h 0-124 mph	13.2 s	16.6 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Limited	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	5.5 s
1/8 mile 201 m	7.6 s	8.2 s
1000 ft 305 m	9.9 s	10.6 s
1/4 mile 402 m	11.8 s	12.7 s
Trap speed 1/4 mile 402 m	191 km/h 119 mph	180 km/h 112 mph

Power comparison

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

Chart data table
Vehicle	Value
BMWM4 Convertible (G83)Competition 3.0	510 hp 380 kW
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	450 hp 336 kW

BMW M4 Convertible (G83) Competition 3.0 has 60 hp more than Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8.

The biggest power difference is between Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8 and BMW M4 Convertible (G83) Competition 3.0: 60 hp (45 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMWM4 Convertible (G83)Competition 3.0	650 Nm 479 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
BMWM4 Convertible (G83)Competition 3.0	1,920 kg 4,233 lb
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	1,743 kg 3,843 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
BMWM4 Convertible (G83)Competition 3.0	Unrestricted 260 km/h162 mph Restricted 250 km/h155 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
BMWM4 Convertible (G83)Competition 3.0	3.7 s
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	4.5 s

The biggest 0-100 km/h difference is between BMW M4 Convertible (G83) Competition 3.0 and Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8: 0.8 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
BMWM4 Convertible (G83)Competition 3.0	10.2 L/100 km 23.1 mpg US 27.7 mpg UK
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	11.6 L/100 km 20.3 mpg US 24.4 mpg UK

The biggest fuel consumption difference is between BMW M4 Convertible (G83) Competition 3.0 and Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8: 1.4 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
BMWM4 Convertible (G83)Competition 3.0	266 hp/t 198 kW/t 3.8 kg/hp
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	258 hp/t 193 kW/t 3.9 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMWM4 Convertible (G83)Competition 3.0	578 km 359 mi
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	526 km 327 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMWM4 Convertible (G83)Competition 3.0	510 hp 380 kW	3.7 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	450 hp 336 kW	4.5 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

BMWM4 Convertible (G83)Competition 3.0

Power	510 hp 380 kW
0-100 km/h	3.7 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,794 mm 188.7 in
Height	1,395 mm 54.9 in

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power	450 hp 336 kW
0-100 km/h	4.5 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

BMWM4 Convertible (G83)Competition 3.0

Power	510 hp 380 kW
0-100 km/h	3.7 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

10.2 L/100 km

23.1 mpg US

27.7 mpg UK

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power	450 hp 336 kW
0-100 km/h	4.5 s
Top speed 249 km/h 155 mph

11.6 L/100 km

20.3 mpg US

24.4 mpg UK

BMW M4 Convertible (G83) Competition 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
BMWM4 Convertible (G83)Competition 3.0	10.2 L/100 km 23.1 mpg US 27.7 mpg UK	3.7 s
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	11.6 L/100 km 20.3 mpg US 24.4 mpg UK	4.5 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
BMWM4 Convertible (G83)Competition 3.0	266 hp/t 198 kW/t 3.8 kg/hp	10.2 L/100 km 23.1 mpg US 27.7 mpg UK
FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8	258 hp/t 193 kW/t 3.9 kg/hp	11.6 L/100 km 20.3 mpg US 24.4 mpg UK

Detailed score breakdown

Vehicle

BMWM4 Convertible (G83)Competition 3.0

FordMustang VI ConvertibleFacelift 2017GT/CS 5.0 V8

Power

510 hp

380 kW

450 hp

336 kW

Torque

650 Nm

479 lb-ft

529 Nm

390 lb-ft

Acceleration

3.7 s

4.5 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

249 km/h

155 mph

Lightness

1,920 kg

4,233 lb

1,743 kg

3,843 lb

Fuel consumption

10.2 L/100 km

23.1 mpg US

27.7 mpg UK

11.6 L/100 km

20.3 mpg US

24.4 mpg UK

Practicality

Doors/seats	2 doors 4 seats
Trunk	300 L 10.6 cu ft
Length	4,794 mm 188.7 in
Height	1,395 mm 54.9 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

578 km

359 mi

526 km

327 mi

Trunk score

300 L

10.6 cu ft

332 L

11.7 cu ft

Power-to-weight score

266 hp/t

198 kW/t

3.8 kg/hp

258 hp/t

193 kW/t

3.9 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	BMW M4 Convertible (G83) Competition 3.0	Ford Mustang VI Convertible Facelift 2017 GT/CS 5.0 V8
Consumption	10.2 L/100 km23.1 mpg US27.7 mpg UK	11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km	17.85 LC100 km	20.30 LC100 km
Cost / 100 mi	28.73 LC100 mi	32.67 LC100 mi
Annual fuel used	1,530 L404 US gal337 UK gal	1,740 L460 US gal383 UK gal
Annual fuel cost	2,678 LC/year	3,045 LC/year