Audi A2 — MPG & Fuel Costs 2025
An ultra-advanced, lightweight aluminum city car. Extremely fuel-efficient and highly space-efficient.
The Audi A2 was ahead of its time, featuring an all-aluminum spaceframe chassis that made it incredibly light. It has a distinctive aerodynamic wedge shape.
Powering the A2 were efficient 1.4-litre petrol and three-cylinder TDI diesel engines. The TDI diesel version is legendary for its ability to return high fuel economy.
Real-world fuel economy is outstanding, with TDI diesel models easily returning over 60 MPG under mixed driving, and the petrol versions averaging a solid 42 MPG.
TL;DR
42 MPG
Real-world petrol
59 MPG
Real-world diesel
34L
Tank capacity
£46.51
Full tank (petrol)
14.8p
Per mile (petrol)
Real-World Fuel Economy: The Audi A2 achieves an estimated 42 MPG (petrol) and 59 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 34-litre tank completely costs approximately £46.51 (petrol) or £48.31 (diesel) at average UK fuel price rates.
Fuel economy at a glance
42
Real-world MPG
Petrol
47.1
Official WLTP
Petrol
59
Real-world MPG
Diesel
65.7
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £740 | £547 |
| 7,400 miles/yr(UK average) | £1096 | £810 |
| 10,000 miles/yr | £1481 | £1095 |
| 15,000 miles/yr | £2221 | £1642 |
| 20,000 miles/yr | £2961 | £2190 |
| Full tank (34L) | £46.51 | £48.31 |
| Cost per mile | 14.8p | 10.9p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the A2 compare?
Tips to get better MPG from your A2
With a weight of only 895kg, smooth driving inputs yield exceptional fuel economy.
Use high-quality low-rolling-resistance tyres to maintain the car's extreme efficiency.
Clean intake valves regularly to ensure optimal fuel combustion.
Is the cheaper petrol station worth it?
In a Audi A2 achieving ~42 MPG real-world, if you fill 27 litres and the alternative station is 10p/litre cheaper:
£2.70
Gross saving on fuel
£0.44
Cost of 3-mile detour
£2.26
Net saving ✓
You could drive up to 18 miles round-trip before the saving disappears entirely.
Calculate for your exact situationPopular variants
Frequently asked questions
What is the real-world MPG of the Audi A2?
The Audi A2 achieves approximately 42 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 47.1 MPG due to real driving conditions. Diesel variants achieve around 59 MPG real-world.
How much does it cost to fill a Audi A2?
The Audi A2 has a fuel tank of 34 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £46.51. Diesel costs approximately £48.31 for a full tank.
What is the annual fuel cost for a Audi A2?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Audi A2 costs approximately £1096 per year in fuel. At 10,000 miles/year the cost rises to £1481. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Audi A2?
In a Audi A2 doing ~42 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 27-litre fill nets approximately £2.26 after the extra fuel cost. You could drive up to 18 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Audi A2 cost per mile in fuel?
The Audi A2 costs approximately 14.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.44 per day in fuel.
What is the WLTP MPG figure for the Audi A2?
The official WLTP fuel economy figure for the Audi A2 is 47.1 MPG. However, real-world MPG is typically 10–15% lower than WLTP due to cold starts, air conditioning, motorway speeds, and varying loads. WorthThePump uses a 12% real-world penalty to give a more accurate estimate.
Related guides
Find the cheapest fuel for your A2
Enter your registration and we'll calculate whether the cheaper station nearby is worth the detour — factoring in your A2's real-world MPG.
Try WorthThePump — it's free