Alfa Romeo Giulietta — MPG & Fuel Costs 2025
Alfa Romeo's stylish family hatchback. Eye-catching design, sporty drive characteristics, and highly efficient JTDM diesel engines.
TL;DR
40 MPG
Real-world petrol
51 MPG
Real-world diesel
60L
Tank capacity
£82.08
Full tank (petrol)
15.5p
Per mile (petrol)
Real-World Fuel Economy: The Alfa Romeo Giulietta achieves an estimated 40 MPG (petrol) and 51 MPG (diesel) in real-world UK driving conditions, accounting for a 12% WLTP real-world penalty.
Forecourt Fuel Cost: Refueling the 60-litre tank completely costs approximately £82.08 (petrol) or £85.26 (diesel) at average UK fuel price rates.
Fuel economy at a glance
40
Real-world MPG
Petrol
47.9
Official WLTP
Petrol
51
Real-world MPG
Diesel
60.1
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £777 | £633 |
| 7,400 miles/yr(UK average) | £1151 | £937 |
| 10,000 miles/yr | £1555 | £1267 |
| 15,000 miles/yr | £2332 | £1900 |
| 20,000 miles/yr | £3109 | £2533 |
| Full tank (60L) | £82.08 | £85.26 |
| Cost per mile | 15.5p | 12.7p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Giulietta compare?
Tips to get better MPG from your Giulietta
Select 'Natural' mode on the DNA selector rather than 'Dynamic' for standard commuting to save fuel.
Accelerate smoothly through the gears to prevent the turbo engine from running rich under high load.
Check tyre pressures regularly to prevent rolling resistance from lowering your MPG.
Is the cheaper petrol station worth it?
In a Alfa Romeo Giulietta achieving ~40 MPG real-world, if you fill 48 litres and the alternative station is 10p/litre cheaper:
£4.80
Gross saving on fuel
£0.47
Cost of 3-mile detour
£4.33
Net saving ✓
You could drive up to 31 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 Alfa Romeo Giulietta?
The Alfa Romeo Giulietta achieves approximately 40 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 47.9 MPG due to real driving conditions. Diesel variants achieve around 51 MPG real-world.
How much does it cost to fill a Alfa Romeo Giulietta?
The Alfa Romeo Giulietta has a fuel tank of 60 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £82.08. Diesel costs approximately £85.26 for a full tank.
What is the annual fuel cost for a Alfa Romeo Giulietta?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Alfa Romeo Giulietta costs approximately £1151 per year in fuel. At 10,000 miles/year the cost rises to £1555. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Alfa Romeo Giulietta?
In a Alfa Romeo Giulietta doing ~40 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 48-litre fill nets approximately £4.33 after the extra fuel cost. You could drive up to 31 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Alfa Romeo Giulietta cost per mile in fuel?
The Alfa Romeo Giulietta costs approximately 15.5p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.65 per day in fuel.
What is the WLTP MPG figure for the Alfa Romeo Giulietta?
The official WLTP fuel economy figure for the Alfa Romeo Giulietta is 47.9 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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