Citroen C2 — MPG & Fuel Costs 2025
Citroen's quirky small three-door hatchback, offering a sliding split tailgate and highly economical engine options.
TL;DR
41 MPG
Real-world petrol
56 MPG
Real-world diesel
41L
Tank capacity
£56.09
Full tank (petrol)
15.2p
Per mile (petrol)
Real-World Fuel Economy: The Citroen C2 achieves an estimated 41 MPG (petrol) and 56 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 41-litre tank completely costs approximately £56.09 (petrol) or £58.26 (diesel) at average UK fuel price rates.
Fuel economy at a glance
41
Real-world MPG
Petrol
48.7
Official WLTP
Petrol
56
Real-world MPG
Diesel
65.7
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £758 | £577 |
| 7,400 miles/yr(UK average) | £1122 | £854 |
| 10,000 miles/yr | £1517 | £1154 |
| 15,000 miles/yr | £2275 | £1730 |
| 20,000 miles/yr | £3034 | £2307 |
| Full tank (41L) | £56.09 | £58.26 |
| Cost per mile | 15.2p | 11.5p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the C2 compare?
Tips to get better MPG from your C2
The HDi diesel version is extremely fuel-efficient; maintain steady throttle on highway trips.
Keep tyre pressures checked to ensure rolling efficiency.
Shift up early; the naturally aspirated petrol engines do not require high revs.
Is the cheaper petrol station worth it?
In a Citroen C2 achieving ~41 MPG real-world, if you fill 33 litres and the alternative station is 10p/litre cheaper:
£3.30
Gross saving on fuel
£0.46
Cost of 3-mile detour
£2.84
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 Citroen C2?
The Citroen C2 achieves approximately 41 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 48.7 MPG due to real driving conditions. Diesel variants achieve around 56 MPG real-world.
How much does it cost to fill a Citroen C2?
The Citroen C2 has a fuel tank of 41 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £56.09. Diesel costs approximately £58.26 for a full tank.
What is the annual fuel cost for a Citroen C2?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Citroen C2 costs approximately £1122 per year in fuel. At 10,000 miles/year the cost rises to £1517. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Citroen C2?
In a Citroen C2 doing ~41 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 33-litre fill nets approximately £2.84 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 Citroen C2 cost per mile in fuel?
The Citroen C2 costs approximately 15.2p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.56 per day in fuel.
What is the WLTP MPG figure for the Citroen C2?
The official WLTP fuel economy figure for the Citroen C2 is 48.7 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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