VS
At a Glance
Power
309kW@8300
300 engine kW
Torque
400Nm@3900
500 Nm
Fuel
12.3
9.1 l/100km
Towing
1700
1800 Kg
0-100 km/h
5.1
4.6 s
Engine
3999
1991 cc
Choosing between the BMW M3 and the Mercedes-AMG C-Class is one of the most common decisions South African car buyers face. The BMW M3 delivers 309kW@8300 while the Mercedes-AMG C-Class produces 300 engine kW. On fuel, the M3 returns 12.3 while the C-Class uses 9.1 l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 094 150 for the M3 and R1 714 255 for the C-Class. 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.
Performance
Power Output
309kW@8300
300 engine kW
Torque
400Nm@3900
500 Nm
0-100 kph
5.1
4.6 s
Top Speed
250
250 Km/h
Engine & Drivetrain
Engine Capacity
3999
1991 cc
Engine Layout
LONGITUDINAL V 8
inline
Cylinders
8
4
Fuel Type
UNLEADED
petrol-electric hybrid
Forced Induction Device
—
turbocharger
Transmission
AUTOMATIC
automatic
Number of Gears
7
9
Drive Wheels
REAR
all
Full Time 4x4
✗
✓ Standard
Low Range
✗
—
Fuel Economy
Fuel Consumption Average
12.3
9.1 l/100km
Fuel Consumption Urban
17.3
—
Fuel Consumption Highway
9.4
—
Fuel Tank Capacity
63
66 l
CO2 Emissions
295
201 g/km
Dimensions
Length
4615
4791 mm
Width
1804-1804
1824-2033 mm
Height
1392
1450 mm
Wheelbase
2761
2865 mm
Ground Clearance
143
—
Kerb Weight
1830
1840 Kg
Doors
2
4
Seats
4
5
Load Volume
—
455 l
Towing & Payload
Towing Capacity
1700
1800 Kg
Load Capacity
350
510 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
—
✓ Standard
Stability Control
DYNAMIC STABILITY CONTROL
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6
6 (opt 8)
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
✓ Standard
Optional
Adaptive Cruise Control
✓ Standard
Optional
Bluetooth
✗
✓ Standard
Satellite Navigation
Optional
Optional
Reversing Camera
—
Optional
Park Distance Rear
Optional
✓ Standard
Park Distance Front
Optional
✓ Standard
Sunroof
✗
Optional
Heated Seats
BOTH FRONT
Optional
Electric Seat Adjustment
✓ Standard
—
Keyless Entry
✗
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
24
2
Warranty Distance
—
unlimited Km
Service Plan
M
—
Service Intervals
30000
service interval indicator
The Verdict
Which Wins?
Overall Winner
Mercedes-AMG C-Class
3 / 4 categories
Performance
C-Class
Fuel Economy
C-Class
Value
M3
Practicality
C-Class
Pros & Cons
BMW M3
Lower starting price (R1 094 150)
Higher fuel consumption (12.3)
Mercedes-AMG C-Class
Better fuel economy (9.1 l/100km)
Higher towing capacity (1800 Kg)
Quicker 0-100 km/h (4.6 ss)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the M3 or C-Class?
The M3 uses 12.3 and the C-Class uses 9.1 l/100km on the combined cycle. The C-Class 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 M3 or C-Class?
The M3 produces 309kW@8300 and 400Nm@3900 of torque while the C-Class delivers 300 engine kW and 500 Nm of torque. They produce similar power outputs.
What is the price difference between the M3 and C-Class?
The M3 starts from R1 094 150 and the C-Class from R1 714 255. The M3 is cheaper by R620 105 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the M3 or C-Class?
The M3 has a braked towing capacity of 1700 and the C-Class can tow 1800 Kg. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the M3 or the C-Class?
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.