Ford StreetKa — MPG & Fuel Costs 2025
Ford's stylish, sporty two-seat roadster based on the Ka supermini, offering fun handling and convertible styling.
The Ford StreetKa is a quirky, fun two-seat roadster designed in collaboration with Pininfarina, featuring flared wheel arches and a folding fabric roof.
It is powered by a basic but robust 1.6-litre Duratec petrol engine, delivering a sporty drive and direct handling.
Real-world fuel economy is around 30 MPG in mixed driving, making it a highly accessible and fun weekend cruiser.
TL;DR
30 MPG
Real-world petrol
40L
Tank capacity
£54.72
Full tank (petrol)
20.7p
Per mile (petrol)
Real-World Fuel Economy: The Ford StreetKa achieves an estimated 30 MPG in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 40-litre tank completely costs approximately £54.72 at average UK fuel price rates.
Fuel economy at a glance
30
Real-world MPG
Petrol
35.8
Official WLTP
Petrol
Annual fuel costs by mileage
| Annual mileage | Petrol |
|---|---|
| 5,000 miles/yr | £1036 |
| 7,400 miles/yr(UK average) | £1534 |
| 10,000 miles/yr | £2073 |
| 15,000 miles/yr | £3109 |
| 20,000 miles/yr | £4146 |
| Full tank (40L) | £54.72 |
| Cost per mile | 20.7p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the StreetKa compare?
Tips to get better MPG from your StreetKa
Drive smoothly on highways; the car is geared for acceleration rather than high-speed efficiency.
Upshift early to utilize the 1.6-litre engine's low-end pull.
Ensure tyre pressures are adjusted correctly for maximum rolling efficiency.
Is the cheaper petrol station worth it?
In a Ford StreetKa achieving ~30 MPG real-world, if you fill 32 litres and the alternative station is 10p/litre cheaper:
£3.20
Gross saving on fuel
£0.62
Cost of 3-mile detour
£2.58
Net saving ✓
You could drive up to 15 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 Ford StreetKa?
The Ford StreetKa achieves approximately 30 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 35.8 MPG due to real driving conditions. Diesel variants achieve around N/A MPG real-world.
How much does it cost to fill a Ford StreetKa?
The Ford StreetKa has a fuel tank of 40 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £54.72. Diesel costs approximately £56.84 for a full tank.
What is the annual fuel cost for a Ford StreetKa?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Ford StreetKa costs approximately £1534 per year in fuel. At 10,000 miles/year the cost rises to £2073. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Ford StreetKa?
In a Ford StreetKa doing ~30 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 32-litre fill nets approximately £2.58 after the extra fuel cost. You could drive up to 15 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Ford StreetKa cost per mile in fuel?
The Ford StreetKa costs approximately 20.7p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £6.21 per day in fuel.
What is the WLTP MPG figure for the Ford StreetKa?
The official WLTP fuel economy figure for the Ford StreetKa is 35.8 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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