BMW 528I vs Mercedes-Benz B170

The B170 costs less to run, by the official figures: about $10 a year less in the US.

BMW 528I

Side by side

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

BMW 528IMercedes-Benz B170

A typical year's fuel

United States
$1,811
$1,799 (better)
New Zealand
$2,345
$2,328 (better)
Australia
$1,944
$1,931 (better)
United Kingdom
£1,424
£1,415 (better)

Official figures

Uses
32 mpg
33 mpg (better)
Also
7.3 L/100km
7.2 L/100km (better)
On a full tank
600 miles
–

Space

Seats
5
–
Length
4,841 mm
–

Engine

Engine
3.0 L 6-cylinder petrol
–
Power
190 kW
–
Torque
310 Nm
–
Gearbox
6-speed automatic
–
Drive
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.

528I or B170?

Which is cheaper to run, the BMW 528I or the Mercedes-Benz B170?

The Mercedes-Benz B170: about $10 a year less in the US than the BMW 528I at today's average prices and a typical year's driving.

Which uses less fuel, the BMW 528I or the Mercedes-Benz B170?

The Mercedes-Benz B170, at 7.2 L/100km (39 mpg UK, 33 mpg US) to the BMW 528I's 7.3 L/100km (39 mpg UK, 32 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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The Roadtrip app showing a drive into London that costs £4.81 each, with fuel prices along the way