BMW M5 vs Cadillac CTS

The CTS costs less to run, by the official figures: about £20 a year less in the UK.

BMW M5Cadillac CTS

Side by side

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

BMW M5Cadillac CTS

A typical year's fuel

United Kingdom
£1,945
£1,925 (better)
New Zealand
$3,202
$3,169 (better)
Australia
$2,654
$2,626 (better)
United States
$2,474
$2,449 (better)

Official figures

Uses
29 mpg
29 mpg (better)
Also
9.9 L/100km
9.8 L/100km (better)
On a full tank
427 miles
450 miles (better)

Space

Seats
5
5
Boot
530 L
–
Length
4,966 mm
5,019 mm
Weight
1,855 kg
1,880 kg

Engine

Engine
4.4 L V8 twin turbo petrol
2.0 L 4-cylinder turbo petrol
Power
441 kW
477 kW (better)
Torque
750 Nm
854 Nm (better)
Gearbox
8-speed automatic
8-speed automatic
Drive
AWD
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.

M5 or CTS?

Which is cheaper to run, the BMW M5 or the Cadillac CTS?

The Cadillac CTS: about £20 a year less in the UK than the BMW M5 at today's average prices and a typical year's driving.

Which uses less fuel, the BMW M5 or the Cadillac CTS?

The Cadillac CTS, at 9.8 L/100km (29 mpg UK, 24 mpg US) to the BMW M5's 9.9 L/100km (29 mpg UK, 24 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