BMW Z4 vs Mazda MX-5

The MX-5 costs less to run, by the official figures: about $780 a year less in New Zealand, $640 in Australia, £470 in the UK and $600 in the US.

Mazda MX-5

Side by side

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

BMW Z4Mazda MX-5

A typical year's fuel

New Zealand
$3,043
$2,264 (better)
Australia
$2,517
$1,873 (better)
United Kingdom
£1,849
£1,375 (better)
United States
$2,351
$1,749 (better)

Official figures

Uses
9.4 L/100km
7.0 L/100km (better)
UK
30 mpg
40 mpg (better)
US
25 mpg
34 mpg (better)
On a full tank
553 km
643 km (better)

Space

Seats
2
2
Boot
–
144 L
Length
4,324 mm
3,915 mm
Weight
1,470 kg
1,000 kg

Engine

Engine
2.0 L 4-cylinder turbo petrol
2.0 L 4-cylinder petrol
Power
145 kW (better)
135 kW
Torque
320 Nm (better)
205 Nm
Gearbox
8-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.

Z4 or MX-5?

Which is cheaper to run, the BMW Z4 or the Mazda MX-5?

The Mazda MX-5: about $780 a year less in New Zealand, $640 in Australia, £470 in the UK and $600 in the US than the BMW Z4 at today's average prices and a typical year's driving.

Which uses less fuel, the BMW Z4 or the Mazda MX-5?

The Mazda MX-5, at 7.0 L/100km (40 mpg UK, 34 mpg US) to the BMW Z4's 9.4 L/100km (30 mpg UK, 25 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