Audi Q3 — MPG & Fuel Costs 2025
Audi's popular family SUV. Spacious, premium cabin design, and a comfortable ride with efficient engine options.
The Audi Q3 is a premium mid-size SUV that appeals to families who want premium badge appeal alongside practical passenger space. It features a sliding rear seat and a large, square boot that handles luggage with ease.
The engine line-up is based around the 1.5-litre TFSI petrol and the 2.0-litre TDI diesel. Drivers seeking more power can opt for the 2.0-litre TFSI petrol with Quattro all-wheel drive, though this comes with higher fuel consumption.
A real-world return of 35 MPG for the petrol model is average for this class, while the diesel version manages a more respectable 45 MPG. It is a highly comfortable, quiet family cruiser.
TL;DR
35 MPG
Real-world petrol
45 MPG
Real-world diesel
58L
Tank capacity
£79.34
Full tank (petrol)
17.8p
Per mile (petrol)
Real-World Fuel Economy: The Audi Q3 achieves an estimated 35 MPG (petrol) and 45 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 58-litre tank completely costs approximately £79.34 (petrol) or £82.42 (diesel) at average UK fuel price rates.
Fuel economy at a glance
35
Real-world MPG
Petrol
42.2
Official WLTP
Petrol
45
Real-world MPG
Diesel
53.3
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £888 | £718 |
| 7,400 miles/yr(UK average) | £1315 | £1062 |
| 10,000 miles/yr | £1777 | £1436 |
| 15,000 miles/yr | £2665 | £2153 |
| 20,000 miles/yr | £3554 | £2871 |
| Full tank (58L) | £79.34 | £82.42 |
| Cost per mile | 17.8p | 14.4p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Q3 compare?
Tips to get better MPG from your Q3
Keep speeds down on high-speed roads; the Q3's SUV profile creates more drag than the A3 hatchback.
If driving a Quattro model, remember it carries a fuel economy penalty due to extra weight and driveline drag.
Select 'Efficiency' mode to optimize the climate control and engine mapping for fuel savings.
Is the cheaper petrol station worth it?
In a Audi Q3 achieving ~35 MPG real-world, if you fill 46 litres and the alternative station is 10p/litre cheaper:
£4.60
Gross saving on fuel
£0.53
Cost of 3-mile detour
£4.07
Net saving ✓
You could drive up to 26 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 Q3?
The Audi Q3 achieves approximately 35 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 42.2 MPG due to real driving conditions. Diesel variants achieve around 45 MPG real-world.
How much does it cost to fill a Audi Q3?
The Audi Q3 has a fuel tank of 58 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £79.34. Diesel costs approximately £82.42 for a full tank.
What is the annual fuel cost for a Audi Q3?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Audi Q3 costs approximately £1315 per year in fuel. At 10,000 miles/year the cost rises to £1777. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Audi Q3?
In a Audi Q3 doing ~35 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 46-litre fill nets approximately £4.07 after the extra fuel cost. You could drive up to 26 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Audi Q3 cost per mile in fuel?
The Audi Q3 costs approximately 17.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £5.34 per day in fuel.
What is the WLTP MPG figure for the Audi Q3?
The official WLTP fuel economy figure for the Audi Q3 is 42.2 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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