BMW X5 — MPG & Fuel Costs 2025
BMW's large luxury SUV. Supreme comfort, exceptional technology, and highly efficient inline-six diesel engines.
TL;DR
33 MPG
Real-world diesel
80L
Tank capacity
£109.44
Full tank (petrol)
Real-World Fuel Economy: The BMW X5 achieves an estimated 33 MPG in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 80-litre tank completely costs approximately £113.68 at average UK fuel price rates.
Fuel economy at a glance
33
Real-world MPG
Diesel
39.2
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Diesel |
|---|---|
| 5,000 miles/yr | £979 |
| 7,400 miles/yr(UK average) | £1449 |
| 10,000 miles/yr | £1958 |
| 15,000 miles/yr | £2936 |
| 20,000 miles/yr | £3915 |
| Full tank (80L) | £113.68 |
| Cost per mile | 19.6p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the X5 compare?
Tips to get better MPG from your X5
The X5 is highly capable but heavy; drive defensively to keep fuel economy in check.
Use the Eco Pro mode to optimize active roll stabilization and engine maps.
Check tyre pressures before loading up the cabin to prevent rolling resistance from lowering your MPG.
Is the cheaper petrol station worth it?
In a BMW X5 achieving ~33 MPG real-world, if you fill 64 litres and the alternative station is 10p/litre cheaper:
£6.40
Gross saving on fuel
£0.59
Cost of 3-mile detour
£5.81
Net saving ✓
You could drive up to 33 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 X5?
The BMW X5 achieves approximately 33 MPG diesel in real-world conditions, around 12% lower than the official WLTP figure of 39.2 MPG.
How much does it cost to fill a BMW X5?
The BMW X5 has a fuel tank of 80 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £109.44. Diesel costs approximately £113.68 for a full tank.
What is the annual fuel cost for a BMW X5?
At 7,400 miles/year and 142.1p/litre diesel, a BMW X5 costs approximately £1449 per year in diesel.
Is it worth driving to a cheaper petrol station in a BMW X5?
In a BMW X5 doing ~33 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 64-litre fill nets approximately £5.81 after the extra fuel cost. You could drive up to 33 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the BMW X5 cost per mile in fuel?
The BMW X5 costs approximately 19.6p per mile in diesel at current UK prices.
What is the WLTP MPG figure for the BMW X5?
The official WLTP fuel economy figure for the BMW X5 is 39.2 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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