BMW X2 — MPG & Fuel Costs 2025
A sporty, low-slung crossover based on the X1 but styled with coupe profiles and firmer chassis setups.
The BMW X2 is a stylish crossover that targets buyers wanting a more individual look and sportier driving feel than the family-oriented X1, featuring retro BMW badges on the C-pillars.
Underneath, it shares its mechanicals with the X1, meaning it is available with highly efficient petrol and diesel engines, mostly mated to 8-speed automatic gearboxes.
Real-world fuel economy is highly respectable, with the popular sDrive18d returning 46-48 MPG in daily mixed driving, and the sDrive20i petrol averaging 37 MPG.
TL;DR
37 MPG
Real-world petrol
46 MPG
Real-world diesel
51L
Tank capacity
£69.77
Full tank (petrol)
16.8p
Per mile (petrol)
Real-World Fuel Economy: The BMW X2 achieves an estimated 37 MPG (petrol) and 46 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 51-litre tank completely costs approximately £69.77 (petrol) or £72.47 (diesel) at average UK fuel price rates.
Fuel economy at a glance
37
Real-world MPG
Petrol
43.5
Official WLTP
Petrol
46
Real-world MPG
Diesel
54.3
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £840 | £702 |
| 7,400 miles/yr(UK average) | £1244 | £1039 |
| 10,000 miles/yr | £1681 | £1404 |
| 15,000 miles/yr | £2521 | £2106 |
| 20,000 miles/yr | £3362 | £2809 |
| Full tank (51L) | £69.77 | £72.47 |
| Cost per mile | 16.8p | 14.0p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the X2 compare?
Tips to get better MPG from your X2
The low-slung shape is more aerodynamic than the X1; drive at a steady speed on the motorway to exploit this.
Avoid using larger 20-inch wheels if you want to optimize ride quality and rolling efficiency.
Ensure tracking is correct as sports suspension is sensitive to drag misalignment.
Is the cheaper petrol station worth it?
In a BMW X2 achieving ~37 MPG real-world, if you fill 41 litres and the alternative station is 10p/litre cheaper:
£4.10
Gross saving on fuel
£0.50
Cost of 3-mile detour
£3.60
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 BMW X2?
The BMW X2 achieves approximately 37 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 43.5 MPG due to real driving conditions. Diesel variants achieve around 46 MPG real-world.
How much does it cost to fill a BMW X2?
The BMW X2 has a fuel tank of 51 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £69.77. Diesel costs approximately £72.47 for a full tank.
What is the annual fuel cost for a BMW X2?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a BMW X2 costs approximately £1244 per year in fuel. At 10,000 miles/year the cost rises to £1681. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a BMW X2?
In a BMW X2 doing ~37 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 41-litre fill nets approximately £3.60 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 BMW X2 cost per mile in fuel?
The BMW X2 costs approximately 16.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £5.04 per day in fuel.
What is the WLTP MPG figure for the BMW X2?
The official WLTP fuel economy figure for the BMW X2 is 43.5 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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