Audi A3 vs BMW 120I
The 120I costs less to run, by the official figures: about $60 a year less in the US.


Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- United States
- $1,554
- $1,494 (better)
- New Zealand
- $2,012
- $1,934 (better)
- Australia
- $1,667
- $1,603 (better)
- United Kingdom
- £1,222
- £1,175 (better)
Official figures
- Uses
- 38 mpg
- 39 mpg (better)
- Also
- 6.2 L/100km
- 6.0 L/100km (better)
- On a full tank
- 450 miles
- 551 miles (better)
Space
- Seats
- 5
- 5
- Boot
- 380 L (better)
- 330 L
- Towing, braked
- 1,500 kg
- –
- Length
- 4,343 mm
- 4,227 mm
- Weight
- 1,220 kg
- 1,330 kg
Engine
- Engine
- 1.0 L 3-cylinder turbo petrol
- 2.0 L 4-cylinder petrol
- Power
- 81 kW
- 125 kW (better)
- Torque
- 200 Nm
- 200 Nm
- Gearbox
- 6-speed manual
- 6-speed manual
- Drive
- FWD
- RWD
Safety
- ANCAP
- ★★★★★
- –
- Euro NCAP
- ★★★★★
- ★★★★★
- Airbags
- 7 (better)
- 6
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.
A3 or 120I?
Which is cheaper to run, the Audi A3 or the BMW 120I?
The BMW 120I: about $60 a year less in the US than the Audi A3 at today's average prices and a typical year's driving.
Which uses less fuel, the Audi A3 or the BMW 120I?
The BMW 120I, at 6.0 L/100km (47 mpg UK, 39 mpg US) to the Audi A3's 6.2 L/100km (45 mpg UK, 38 mpg US), by their latest official figures.
Which has the bigger boot, the Audi A3 or the BMW 120I?
The Audi A3, at 380 L to the BMW 120I's 330 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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