J.K. Motors BMW635L6 vs Rolls-Royce Dawn

The Dawn costs less to run, by the official figures: about $670 a year less in New Zealand, $550 in Australia, £400 in the UK and $510 in the US.

First car

Second car

Side by side

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

J.K. Motors BMW635L6Rolls-Royce Dawn

A typical year's fuel

New Zealand: $5,433; $4,767 (better)
Australia: $4,498; $3,950 (better)
United Kingdom: £3,301; £2,896 (better)
United States: $4,197; $3,683 (better)

Official figures

Uses: 16.8 L/100km; 14.7 L/100km (better)
UK: 17 mpg; 19 mpg (better)
US: 14 mpg; 16 mpg (better)

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.

BMW635L6 or Dawn?

Which is cheaper to run, the J.K. Motors BMW635L6 or the Rolls-Royce Dawn?

The Rolls-Royce Dawn: about $670 a year less in New Zealand, $550 in Australia, £400 in the UK and $510 in the US than the J.K. Motors BMW635L6 at today's average prices and a typical year's driving.

Which uses less fuel, the J.K. Motors BMW635L6 or the Rolls-Royce Dawn?

The Rolls-Royce Dawn, at 14.7 L/100km (19 mpg UK, 16 mpg US) to the J.K. Motors BMW635L6's 16.8 L/100km (17 mpg UK, 14 mpg US), by their latest official figures.

Each on its own

J.K. Motors

BMW635L6

1992–1993

16.8 L/100km · 17 mpg UK

Rolls-Royce

Dawn

2016–2021

14.7 L/100km · 19 mpg UK

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.

Plan a trip on the web

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