BMW X1 — MPG & Fuel Costs 2025
BMW's compact SUV. Practical interior with sliding seats, modern curved display, and efficient mild-hybrid engines.
The BMW X1 is a practical, premium compact SUV that offers a spacious cabin and a large boot in an easy-to-manage package. It features BMW's modern interior design with a large curved display and high-quality materials.
Engines are available with mild-hybrid assistance on the 20i petrol and 20d diesel, which helps to improve fuel economy in stop-start traffic. It is available with front-wheel drive (sDrive) or all-wheel drive (xDrive) depending on engine choice.
A real-world return of 48 MPG for the 18d diesel is highly respectable for a compact SUV, while the petrol models manage around 38 MPG. It is a highly practical family car with low running costs.
TL;DR
38 MPG
Real-world petrol
48 MPG
Real-world diesel
45L
Tank capacity
£61.56
Full tank (petrol)
16.4p
Per mile (petrol)
Real-World Fuel Economy: The BMW X1 achieves an estimated 38 MPG (petrol) and 48 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 45-litre tank completely costs approximately £61.56 (petrol) or £63.95 (diesel) at average UK fuel price rates.
Fuel economy at a glance
38
Real-world MPG
Petrol
45.6
Official WLTP
Petrol
48
Real-world MPG
Diesel
56.5
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £818 | £673 |
| 7,400 miles/yr(UK average) | £1211 | £996 |
| 10,000 miles/yr | £1637 | £1346 |
| 15,000 miles/yr | £2455 | £2019 |
| 20,000 miles/yr | £3273 | £2692 |
| Full tank (45L) | £61.56 | £63.95 |
| Cost per mile | 16.4p | 13.5p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the X1 compare?
Tips to get better MPG from your X1
Opt for front-wheel drive (sDrive) over all-wheel drive (xDrive) if you want to save weight and improve MPG.
Keep speeds down on high-speed roads; the X1's taller body creates more drag than a 1 Series hatchback.
Utilize the built-in Eco modes to smooth out acceleration and gearshift timings.
Is the cheaper petrol station worth it?
In a BMW X1 achieving ~38 MPG real-world, if you fill 36 litres and the alternative station is 10p/litre cheaper:
£3.60
Gross saving on fuel
£0.49
Cost of 3-mile detour
£3.11
Net saving ✓
You could drive up to 22 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 BMW X1?
The BMW X1 achieves approximately 38 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 45.6 MPG due to real driving conditions. Diesel variants achieve around 48 MPG real-world.
How much does it cost to fill a BMW X1?
The BMW X1 has a fuel tank of 45 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £61.56. Diesel costs approximately £63.95 for a full tank.
What is the annual fuel cost for a BMW X1?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a BMW X1 costs approximately £1211 per year in fuel. At 10,000 miles/year the cost rises to £1637. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a BMW X1?
In a BMW X1 doing ~38 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 36-litre fill nets approximately £3.11 after the extra fuel cost. You could drive up to 22 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the BMW X1 cost per mile in fuel?
The BMW X1 costs approximately 16.4p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.92 per day in fuel.
What is the WLTP MPG figure for the BMW X1?
The official WLTP fuel economy figure for the BMW X1 is 45.6 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 X1
Enter your registration and we'll calculate whether the cheaper station nearby is worth the detour — factoring in your X1's real-world MPG.
Try WorthThePump — it's free