VS
At a Glance
Power
430 kW
523 kW
Torque
800 Nm
800 Nm
Fuel
13.4 l/100km
11.8 l/100km
Towing
—
—
0-100 km/h
3.6 s
2.5 s
Engine
3982 cc
3591 cc
Choosing between the Mercedes-AMG SL and the Porsche 911 is one of the most common decisions South African car buyers face. The Mercedes-AMG SL delivers 430 kW while the Porsche 911 produces 523 kW. On fuel, the SL returns 13.4 l/100km while the 911 uses 11.8 l/100km — important in a market where fuel prices change monthly. Pricing starts at R3 982 166 for the SL and R5 658 000 for the 911. 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
430 kW
523 kW
Torque
800 Nm
800 Nm
0-100 kph
3.6 s
2.5 s
Top Speed
315 Km/h
322 Km/h
Engine & Drivetrain
Engine Capacity
3982 cc
3591 cc
Engine Layout
V
boxer
Cylinders
8
6
Fuel Type
petrol
petrol-electric hybrid
Forced Induction Device
turbocharger
turbocharger
Transmission
automatic
automatic
Number of Gears
9
8
Drive Wheels
all
all
Full Time 4x4
✓ Standard
✓ Standard
Fuel Economy
Fuel Consumption Average
13.4 l/100km
11.8 l/100km
Fuel Tank Capacity
70 l
63 l
CO2 Emissions
334 g/km
270 g/km
Dimensions
Length
4705 mm
4551 mm
Width
1915-2100 mm
1900-2033 mm
Height
1354 mm
1305 mm
Wheelbase
2700 mm
2450 mm
Ground Clearance
—
93-103 mm
Kerb Weight
1895 DIN / 1970 EU Kg
1740 DIN / 1815 EU Kg
Doors
2
2
Seats
2+2
2 (opt 2+2)
Load Volume
213 l
92 front + 373 rear l
Towing & Payload
Towing Capacity
—
—
Load Capacity
350 l
385 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)
6
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
Optional
✓ 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
✓ Standard
Reversing Camera
Optional
Optional
Park Distance Rear
✓ Standard
✓ Standard
Park Distance Front
✓ Standard
✓ Standard
Sunroof
—
Optional
Heated Seats
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
Optional
Alloy Wheels
✓ Standard
✓ Standard
Warranty & Service
Warranty Period
2
2
Warranty Distance
unlimited Km
unlimited Km
Service Intervals
service interval indicator
15000
The Verdict
Which Wins?
Overall Winner
Porsche 911
3 / 4 categories
Performance
911
Fuel Economy
911
Value
SL
Practicality
911
Pros & Cons
Mercedes-AMG SL
Lower starting price (R3 982 166)
Higher fuel consumption (13.4 l/100km)
Less power than rival (430 kW vs 523 kW)
Porsche 911
More powerful engine (523 kW)
Better fuel economy (11.8 l/100km)
Quicker 0-100 km/h (2.5 ss)
Higher starting price
Frequently Asked Questions
Which is more fuel efficient, the SL or 911?
The SL uses 13.4 l/100km and the 911 uses 11.8 l/100km on the combined cycle. The 911 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 SL or 911?
The SL produces 430 kW and 800 Nm of torque while the 911 delivers 523 kW and 800 Nm of torque. The 911 is the more powerful option.
What is the price difference between the SL and 911?
The SL starts from R3 982 166 and the 911 from R5 658 000. The SL is cheaper by R1 675 834 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the SL or 911?
The SL has a braked towing capacity of 0 Kg and the 911 can tow not specified. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the SL or the 911?
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.