Mitsubishi Colt — MPG & Fuel Costs 2025
Mitsubishi's compact and highly reliable supermini. Offering a spacious, sliding rear seat layout and very low running costs.
The sixth-generation Mitsubishi Colt was a highly successful supermini in the UK, praised for its sliding rear seats and bulletproof mechanical reliability.
Engines range from compact three-cylinder petrols to a highly efficient 1.5-litre three-cylinder turbodiesel engine sourced from Mercedes-Benz.
Real-world fuel economy is very strong, with the diesel returning around 54 MPG and petrol models averaging around 48 MPG.
TL;DR
48 MPG
Real-world petrol
54 MPG
Real-world diesel
47L
Tank capacity
£64.30
Full tank (petrol)
13.0p
Per mile (petrol)
Real-World Fuel Economy: The Mitsubishi Colt achieves an estimated 48 MPG (petrol) and 54 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 47-litre tank completely costs approximately £64.30 (petrol) or £66.79 (diesel) at average UK fuel price rates.
Fuel economy at a glance
48
Real-world MPG
Petrol
56.5
Official WLTP
Petrol
54
Real-world MPG
Diesel
64.2
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £648 | £598 |
| 7,400 miles/yr(UK average) | £959 | £885 |
| 10,000 miles/yr | £1296 | £1196 |
| 15,000 miles/yr | £1943 | £1794 |
| 20,000 miles/yr | £2591 | £2393 |
| Full tank (47L) | £64.30 | £66.79 |
| Cost per mile | 13.0p | 12.0p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Colt compare?
Tips to get better MPG from your Colt
The Colt is lightweight; keeping driving style defensive yields excellent MPG.
Upshift early to utilize the engine's low-end pull.
Ensure tyre pressures are adjusted correctly for maximum rolling efficiency.
Is the cheaper petrol station worth it?
In a Mitsubishi Colt achieving ~48 MPG real-world, if you fill 38 litres and the alternative station is 10p/litre cheaper:
£3.80
Gross saving on fuel
£0.39
Cost of 3-mile detour
£3.41
Net saving ✓
You could drive up to 29 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 Mitsubishi Colt?
The Mitsubishi Colt achieves approximately 48 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 56.5 MPG due to real driving conditions. Diesel variants achieve around 54 MPG real-world.
How much does it cost to fill a Mitsubishi Colt?
The Mitsubishi Colt has a fuel tank of 47 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £64.30. Diesel costs approximately £66.79 for a full tank.
What is the annual fuel cost for a Mitsubishi Colt?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Mitsubishi Colt costs approximately £959 per year in fuel. At 10,000 miles/year the cost rises to £1296. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Mitsubishi Colt?
In a Mitsubishi Colt doing ~48 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 38-litre fill nets approximately £3.41 after the extra fuel cost. You could drive up to 29 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Mitsubishi Colt cost per mile in fuel?
The Mitsubishi Colt costs approximately 13.0p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £3.90 per day in fuel.
What is the WLTP MPG figure for the Mitsubishi Colt?
The official WLTP fuel economy figure for the Mitsubishi Colt is 56.5 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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