BMW M240I vs Mercedes-Benz CLA45

Official fuel use, running costs and specs, side by side.

Side by side

Specs are for each car's newest version. The better figure is in green.

BMW M240IMercedes-Benz CLA45

A typical year's fuel

New Zealand
$2,413 (better)
$2,416
Australia
$2,000 (better)
$2,003
United Kingdom
£1,466 (better)
£1,468
United States
$1,864 (better)
$1,866

Official figures

Uses
7.5 L/100km (better)
7.5 L/100km
UK
38 mpg (better)
38 mpg
US
32 mpg (better)
31 mpg

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.

M240I or CLA45?

Which uses less fuel, the BMW M240I or the Mercedes-Benz CLA45?

The BMW M240I, at 7.5 L/100km (38 mpg UK, 32 mpg US) to the Mercedes-Benz CLA45's 7.5 L/100km (38 mpg UK, 31 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.

Rated 4.7 by drivers · 700,000 downloads

The Roadtrip app showing a drive into London that costs £4.81 each, with fuel prices along the way