Mazda 6 vs Mercedes-Benz E350
The E350 costs less to run, by the official figures: about $110 a year less in New Zealand, $90 in Australia, £70 in the UK and $80 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
- New Zealand
- $2,335
- $2,225 (better)
- Australia
- $1,937
- $1,846 (better)
- United Kingdom
- £1,419
- £1,352 (better)
- United States
- $1,804
- $1,719 (better)
Official figures
- Uses
- 7.2 L/100km
- 6.9 L/100km (better)
- UK
- 39 mpg
- 41 mpg (better)
- US
- 33 mpg
- 34 mpg (better)
- On a full tank
- 859 km
- 1,163 km (better)
Space
- Seats
- 5
- 5
- Boot
- 474 L
- 540 L (better)
- Length
- 4,865 mm
- 4,879 mm
- Weight
- 1,470 kg
- 1,700 kg
Engine
- Engine
- 2.5 L 4-cylinder petrol
- 3.5 L V6 petrol
- Power
- 138 kW
- 225 kW (better)
- Torque
- 250 Nm
- 370 Nm (better)
- Gearbox
- 6-speed automatic
- 7-speed automatic
- Drive
- FWD
- RWD
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 E350?
Which is cheaper to run, the Mazda 6 or the Mercedes-Benz E350?
The Mercedes-Benz E350: about $110 a year less in New Zealand, $90 in Australia, £70 in the UK and $80 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 E350?
The Mercedes-Benz E350, at 6.9 L/100km (41 mpg UK, 34 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 E350?
The Mercedes-Benz E350, at 540 L to the Mazda 6's 474 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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