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BMW 4 Series vs Ford Mustang

420i Convertible M Sport A/T (g23) - 5.0 GT A/T

BMW 4 Series
BMW 4 Series
420i Convertible M Sport A/T (g23)
From R1 156 070
View Full Specs →
VS
Ford Mustang
Ford Mustang
5.0 GT A/T
From R1 340 000
View Full Specs →
At a Glance
Power
135 kW
328 kW
Torque
300 Nm
540 Nm
Fuel
6.6 l/100km
12.9 l/100km
Towing
1600 Kg
0-100 km/h
8.2 s
4.9 s
Engine
1998 cc
5038 cc

Choosing between the BMW 4 Series and the Ford Mustang is one of the most common decisions South African car buyers face. The BMW 4 Series delivers 135 kW while the Ford Mustang produces 328 kW. On fuel, the 4 Series returns 6.6 l/100km while the Mustang uses 12.9 l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 156 070 for the 4 Series and R1 340 000 for the Mustang. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.

Specification
BMW 4 SeriesFrom R1 156 070
Ford MustangFrom R1 340 000
Performance
Power Output
135 kW
328 kW
Torque
300 Nm
540 Nm
0-100 kph
8.2 s
4.9 s
Top Speed
236 Km/h
250 Km/h
Engine & Drivetrain
Engine Capacity
1998 cc
5038 cc
Engine Layout
inline
V
Cylinders
4
8
Fuel Type
petrol
petrol
Forced Induction Device
turbocharger
Transmission
automatic
automatic
Number of Gears
8
10
Drive Wheels
rear
rear
Fuel Economy
Fuel Consumption Average
6.6 l/100km
12.9 l/100km
Fuel Tank Capacity
59 l
60.5 l
CO2 Emissions
152 g/km
295 g/km
Dimensions
Length
4768 mm
4794 mm
Width
1852-2081 mm
1916-2097 mm
Height
1384 mm
1414 mm
Wheelbase
2851 mm
2720 mm
Kerb Weight
1690 DIN / 1765 EU Kg
1836 Kg
Doors
2
2
Seats
4
2+2
Load Volume
300-385 l
381 l
Towing & Payload
Towing Capacity
1600 Kg
Load Capacity
495 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6
7
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
Optional
✓ Standard
Adaptive Cruise Control
Optional
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
✓ Standard
Reversing Camera
Optional
✓ Standard
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Keyless Entry
Optional
✓ Standard
Tow Bar
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2
4
Warranty Distance
unlimited Km
120000 Km
Service Plan
Optional
Service Plan Years
6
Service Plan Distance
90000
Service Intervals
service interval indicator / 20000 km
15000

Which Wins?

Overall Winner
Tie
2 / 4 categories
Performance
Mustang
Fuel Economy
4 Series
Value
4 Series
Practicality
Mustang
BMW 4 Series
+Better fuel economy (6.6 l/100km)
+Lower starting price (R1 156 070)
-Less power than rival (135 kW vs 328 kW)
Ford Mustang
+More powerful engine (328 kW)
+Quicker 0-100 km/h (4.9 ss)
-Higher fuel consumption (12.9 l/100km)
-Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the 4 Series or Mustang?
The 4 Series uses 6.6 l/100km and the Mustang uses 12.9 l/100km on the combined cycle. The 4 Series is the more fuel-efficient choice. In South African conditions with a mix of highway and urban driving, real-world figures will be slightly higher.
Which has more power, the 4 Series or Mustang?
The 4 Series produces 135 kW and 300 Nm of torque while the Mustang delivers 328 kW and 540 Nm of torque. The Mustang is the more powerful option.
What is the price difference between the 4 Series and Mustang?
The 4 Series starts from R1 156 070 and the Mustang from R1 340 000. The 4 Series is cheaper by R183 930 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the 4 Series or Mustang?
The 4 Series has a braked towing capacity of 1600 Kg and the Mustang can tow not specified. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the 4 Series or the Mustang?
It depends on your priorities. If fuel economy matters most, check the L/100km figures above. If you need towing capacity, compare the towing ratings. For day-to-day South African driving - load shedding runs, potholed roads, school runs and highway commutes - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.

BMW 4 Series Variants

All 4 Series Specs →

Ford Mustang Variants

All Mustang Specs →

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