BMW M5 vs Cadillac Ats
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.
A typical year's fuel
- New Zealand
- $3,202
- $3,169 (better)
- Australia
- $2,654
- $2,629 (better)
- United Kingdom
- £1,945
- £1,925 (better)
- United States
- $2,474
- $2,449 (better)
Official figures
- Uses
- 9.9 L/100km
- 9.8 L/100km (better)
- On a full tank
- 687 km (better)
- 633 km
Space
- Seats
- 5
- 5
- Boot
- 530 L (better)
- 300 L
- Length
- 4,966 mm
- 4,643 mm
- Weight
- 1,855 kg
- 1,560 kg
Engine
- Engine
- 4.4 L V8 twin turbo petrol
- 2.0 L 4-cylinder turbo petrol
- Power
- 441 kW (better)
- 203 kW
- Torque
- 750 Nm (better)
- 353 Nm
- Gearbox
- 8-speed automatic
- 6-speed automatic
- Drive
- AWD
- RWD
Safety
- Airbags
- –
- 10
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 Ats?
Which uses less fuel, the BMW M5 or the Cadillac Ats?
The Cadillac Ats, 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.
Which has the bigger boot, the BMW M5 or the Cadillac Ats?
The BMW M5, at 530 L to the Cadillac Ats's 300 L, for their newest versions.
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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