Citroen C5 Aircross — MPG & Fuel Costs 2025
Citroen's comfort-focused family SUV, utilizing Progressive Hydraulic Cushions and economical BlueHDi diesel engines.
TL;DR
38 MPG
Real-world petrol
49 MPG
Real-world diesel
53L
Tank capacity
£72.50
Full tank (petrol)
16.4p
Per mile (petrol)
Real-World Fuel Economy: The Citroen C5 Aircross achieves an estimated 38 MPG (petrol) and 49 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 53-litre tank completely costs approximately £72.50 (petrol) or £75.31 (diesel) at average UK fuel price rates.
Fuel economy at a glance
38
Real-world MPG
Petrol
45.6
Official WLTP
Petrol
49
Real-world MPG
Diesel
57.7
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £818 | £659 |
| 7,400 miles/yr(UK average) | £1211 | £976 |
| 10,000 miles/yr | £1637 | £1318 |
| 15,000 miles/yr | £2455 | £1978 |
| 20,000 miles/yr | £3273 | £2637 |
| Full tank (53L) | £72.50 | £75.31 |
| Cost per mile | 16.4p | 13.2p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the C5 Aircross compare?
Tips to get better MPG from your C5 Aircross
Charge the PHEV battery nightly to maximize electric-only running.
Select Eco mode to keep the gearbox in higher gears for longer.
Avoid carrying unused heavy luggage in the large boot.
Is the cheaper petrol station worth it?
In a Citroen C5 Aircross achieving ~38 MPG real-world, if you fill 42 litres and the alternative station is 10p/litre cheaper:
£4.20
Gross saving on fuel
£0.49
Cost of 3-mile detour
£3.71
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 Citroen C5 Aircross?
The Citroen C5 Aircross 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 49 MPG real-world.
How much does it cost to fill a Citroen C5 Aircross?
The Citroen C5 Aircross has a fuel tank of 53 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £72.50. Diesel costs approximately £75.31 for a full tank.
What is the annual fuel cost for a Citroen C5 Aircross?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Citroen C5 Aircross 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 Citroen C5 Aircross?
In a Citroen C5 Aircross doing ~38 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 42-litre fill nets approximately £3.71 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 Citroen C5 Aircross cost per mile in fuel?
The Citroen C5 Aircross 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 Citroen C5 Aircross?
The official WLTP fuel economy figure for the Citroen C5 Aircross 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
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