Audi A1 — MPG & Fuel Costs 2025
Audi's smallest model. Premium styling and tech in a compact supermini package, powered by highly efficient petrol engines.
The Audi A1 Sportback is a premium supermini that brings executive tech and sharp design to the compact car segment. It is aimed at drivers who want a small car that doesn't compromise on interior design or styling.
Power comes exclusively from turbocharged TFSI petrol engines, ranging from a 1.0-litre three-cylinder to a punchy 1.5-litre four-cylinder. These engines are responsive, quiet, and highly efficient under normal driving conditions.
Daily drivers can expect around 46 MPG in real-world driving. The A1's lightweight build and compact proportions make it highly efficient in city traffic and comfortable enough for the occasional motorway trek.
TL;DR
46 MPG
Real-world petrol
40L
Tank capacity
£54.72
Full tank (petrol)
13.5p
Per mile (petrol)
Real-World Fuel Economy: The Audi A1 achieves an estimated 46 MPG in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 40-litre tank completely costs approximately £54.72 at average UK fuel price rates.
Fuel economy at a glance
46
Real-world MPG
Petrol
54.3
Official WLTP
Petrol
Annual fuel costs by mileage
| Annual mileage | Petrol |
|---|---|
| 5,000 miles/yr | £676 |
| 7,400 miles/yr(UK average) | £1000 |
| 10,000 miles/yr | £1352 |
| 15,000 miles/yr | £2028 |
| 20,000 miles/yr | £2704 |
| Full tank (40L) | £54.72 |
| Cost per mile | 13.5p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the A1 compare?
Tips to get better MPG from your A1
Keep engine RPMs low by upshifting early; the small turbo engines produce peak torque low in the rev range.
Turn off the air conditioning when not needed to save up to 2 MPG on local urban journeys.
Drive smoothly to maintain momentum; braking forces you to waste fuel accelerating the car back to speed.
Is the cheaper petrol station worth it?
In a Audi A1 achieving ~46 MPG real-world, if you fill 32 litres and the alternative station is 10p/litre cheaper:
£3.20
Gross saving on fuel
£0.41
Cost of 3-mile detour
£2.79
Net saving ✓
You could drive up to 24 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 A1?
The Audi A1 achieves approximately 46 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 54.3 MPG due to real driving conditions. Diesel variants achieve around N/A MPG real-world.
How much does it cost to fill a Audi A1?
The Audi A1 has a fuel tank of 40 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £54.72. Diesel costs approximately £56.84 for a full tank.
What is the annual fuel cost for a Audi A1?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Audi A1 costs approximately £1000 per year in fuel. At 10,000 miles/year the cost rises to £1352. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Audi A1?
In a Audi A1 doing ~46 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 32-litre fill nets approximately £2.79 after the extra fuel cost. You could drive up to 24 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Audi A1 cost per mile in fuel?
The Audi A1 costs approximately 13.5p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.05 per day in fuel.
What is the WLTP MPG figure for the Audi A1?
The official WLTP fuel economy figure for the Audi A1 is 54.3 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
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