VS
At a Glance
Power
140 kW
162 kW
Torque
400 Nm
440 Nm
Fuel
5.2 l/100km
4.7 l/100km
Towing
2000 Kg
1800 Kg
0-100 km/h
8.4 s
7.3 s
Engine
1968 cc
1993 cc
Choosing between the Audi A6 and the Mercedes-Benz C-Class is one of the most common decisions South African car buyers face. The Audi A6 delivers 140 kW while the Mercedes-Benz C-Class produces 162 kW. On fuel, the A6 returns 5.2 l/100km while the C-Class uses 4.7 l/100km — important in a market where fuel prices change monthly. Pricing starts at R1 192 400 for the A6 and R1 066 791 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
140 kW
162 kW
Torque
400 Nm
440 Nm
0-100 kph
8.4 s
7.3 s
Top Speed
237 Km/h
245 Km/h
Engine & Drivetrain
Engine Capacity
1968 cc
1993 cc
Engine Layout
inline
inline
Cylinders
4
4
Fuel Type
diesel
diesel
Forced Induction Device
turbocharger
turbocharger
Transmission
automatic
automatic
Number of Gears
7
9
Drive Wheels
front
rear
Fuel Economy
Fuel Consumption Average
5.2 l/100km
4.7 l/100km
Fuel Tank Capacity
73 l
66 l
CO2 Emissions
136 g/km
118 g/km
Dimensions
Length
4954 mm
4751 mm
Width
1886-2110 mm
1820-2033 mm
Height
1446 mm
1437 mm
Wheelbase
2928 mm
2865 mm
Kerb Weight
1645-1720 Kg
1755 Kg
Doors
4
4
Seats
5
5
Load Volume
530 l
455 l
Towing & Payload
Towing Capacity
2000 Kg
1800 Kg
Load Capacity
—
625 l
Safety
ABS
✓ Standard
✓ Standard
EBD
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Airbag Count
6 (opt 8)
7 (opt 9)
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
Optional
Adaptive Cruise Control
Optional
Optional
Bluetooth
✓ Standard
✓ Standard
Satellite Navigation
✓ Standard
Optional
Reversing Camera
Optional
Optional
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
Optional
Optional
Heated Seats
Optional
✓ Standard
Keyless Entry
Optional
Optional
Tow Bar
Optional
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
1
2
Warranty Distance
unlimited Km
unlimited Km
Service Intervals
service interval indicator (max 30000)
service interval indicator
The Verdict
Which Wins?
Overall Winner
Mercedes-Benz C-Class
3 / 4 categories
Performance
C-Class
Fuel Economy
C-Class
Value
C-Class
Practicality
A6
Pros & Cons
Audi A6
Higher towing capacity (2000 Kg)
Higher fuel consumption (5.2 l/100km)
Less power than rival (140 kW vs 162 kW)
Higher starting price
Mercedes-Benz C-Class
More powerful engine (162 kW)
Better fuel economy (4.7 l/100km)
Lower starting price (R1 066 791)
Quicker 0-100 km/h (7.3 ss)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the A6 or C-Class?
The A6 uses 5.2 l/100km and the C-Class uses 4.7 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 A6 or C-Class?
The A6 produces 140 kW and 400 Nm of torque while the C-Class delivers 162 kW and 440 Nm of torque. The C-Class is the more powerful option.
What is the price difference between the A6 and C-Class?
The A6 starts from R1 192 400 and the C-Class from R1 066 791. The C-Class is cheaper by R125 609 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the A6 or C-Class?
The A6 has a braked towing capacity of 2000 Kg 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 A6 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.