Mazda 6 vs Mercedes-Benz CLA-Class
The CLA-Class 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
- $1,804
- $1,781 (better)
- New Zealand
- $2,335
- $2,306 (better)
- Australia
- $1,935
- $1,911 (better)
- United Kingdom
- £1,419
- £1,401 (better)
Official figures
- Uses
- 33 mpg
- 33 mpg (better)
- Also
- 7.2 L/100km
- 7.1 L/100km (better)
- On a full tank
- 534 miles (better)
- 375 miles
Space
- Seats
- 5
- 5
- Boot
- 474 L (better)
- 470 L
- Length
- 4,865 mm
- 4,688 mm
- Weight
- 1,470 kg
- 1,475 kg
Engine
- Engine
- 2.5 L 4-cylinder petrol
- 1.3 L 4-cylinder turbo petrol
- Power
- 138 kW (better)
- 120 kW
- Torque
- 250 Nm
- 250 Nm
- Gearbox
- 6-speed automatic
- 7-speed dual-clutch
- Drive
- FWD
- FWD
Safety
- ANCAP
- ★★★★★
- –
- Euro NCAP
- ★★★★★
- ★★★★★
- Airbags
- 6
- –
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.
6 or CLA-Class?
Which is cheaper to run, the Mazda 6 or the Mercedes-Benz CLA-Class?
The Mercedes-Benz CLA-Class: about $20 a year less in the US than the Mazda 6 at today's average prices and a typical year's driving.
Which uses less fuel, the Mazda 6 or the Mercedes-Benz CLA-Class?
The Mercedes-Benz CLA-Class, at 7.1 L/100km (40 mpg UK, 33 mpg US) to the Mazda 6's 7.2 L/100km (39 mpg UK, 33 mpg US), by their latest official figures.
Which has the bigger boot, the Mazda 6 or the Mercedes-Benz CLA-Class?
The Mazda 6, at 474 L to the Mercedes-Benz CLA-Class's 470 L, for their newest versions.
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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