Mercedes-Benz SL63 vs Porsche Boxster
The Boxster costs less to run, by the official figures: about $20 a year less in the US.
Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- United States
- $2,474
- $2,449 (better)
- New Zealand
- $3,202
- $3,169 (better)
- Australia
- $2,657
- $2,626 (better)
- United Kingdom
- £1,945
- £1,925 (better)
Official figures
- Uses
- 24 mpg
- 24 mpg (better)
- Also
- 9.9 L/100km
- 9.8 L/100km (better)
- On a full tank
- 439 miles (better)
- 406 miles
Space
- Seats
- 2
- 2
- Length
- 4,631 mm
- 4,379 mm
- Weight
- –
- 1,335 kg
Engine
- Engine
- 4.0 L V8 twin-turbo petrol
- 2.0 L 4-cylinder turbo petrol
- Power
- 430 kW (better)
- 220 kW
- Torque
- 900 Nm (better)
- 380 Nm
- Gearbox
- 9-speed automatic
- 6-speed manual
- Drive
- RWD
- RWD
A typical year: New Zealand 11,000 km (Ministry of Transport's average for a light vehicle); Australia 11,100 km (ABS Survey of Motor Vehicle Use average); United Kingdom 11,265 km (DfT National Travel Survey average of about 7,000 miles); United States 21,726 km (FHWA average of about 13,500 miles). Real costs depend on how and where you drive. Work out a particular trip.
SL63 or Boxster?
Which is cheaper to run, the Mercedes-Benz SL63 or the Porsche Boxster?
The Porsche Boxster: about $20 a year less in the US than the Mercedes-Benz SL63 at today's average prices and a typical year's driving.
Which uses less fuel, the Mercedes-Benz SL63 or the Porsche Boxster?
The Porsche Boxster, at 9.8 L/100km (29 mpg UK, 24 mpg US) to the Mercedes-Benz SL63's 9.9 L/100km (29 mpg UK, 24 mpg US), by their latest official figures.
Each on its own
Other comparisons
What will the drive cost?
Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and splits it between everyone in the car.
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