Fiat Doblo — MPG & Fuel Costs 2025
Fiat's highly practical, van-derived family MPV with sliding doors and massive cargo loading capabilities.
TL;DR
33 MPG
Real-world petrol
46 MPG
Real-world diesel
60L
Tank capacity
£82.08
Full tank (petrol)
18.8p
Per mile (petrol)
Real-World Fuel Economy: The Fiat Doblo achieves an estimated 33 MPG (petrol) and 46 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
33
Real-world MPG
Petrol
39.2
Official WLTP
Petrol
46
Real-world MPG
Diesel
54.3
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £942 | £702 |
| 7,400 miles/yr(UK average) | £1395 | £1039 |
| 10,000 miles/yr | £1885 | £1404 |
| 15,000 miles/yr | £2827 | £2106 |
| 20,000 miles/yr | £3769 | £2809 |
| Full tank (60L) | £82.08 | £85.26 |
| Cost per mile | 18.8p | 14.0p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Doblo compare?
Tips to get better MPG from your Doblo
The boxy shape creates drag; limit motorway speeds to 65 mph to preserve MPG.
Organize and clean out cargo regularly; carrying extra gear costs fuel.
Upshift early; the MultiJet diesel engines are designed to operate efficiently at low RPM.
Is the cheaper petrol station worth it?
In a Fiat Doblo achieving ~33 MPG real-world, if you fill 48 litres and the alternative station is 10p/litre cheaper:
£4.80
Gross saving on fuel
£0.57
Cost of 3-mile detour
£4.23
Net saving ✓
You could drive up to 25 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 Fiat Doblo?
The Fiat Doblo achieves approximately 33 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 39.2 MPG due to real driving conditions. Diesel variants achieve around 46 MPG real-world.
How much does it cost to fill a Fiat Doblo?
The Fiat Doblo 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 Fiat Doblo?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Fiat Doblo costs approximately £1395 per year in fuel. At 10,000 miles/year the cost rises to £1885. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Fiat Doblo?
In a Fiat Doblo doing ~33 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 48-litre fill nets approximately £4.23 after the extra fuel cost. You could drive up to 25 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Fiat Doblo cost per mile in fuel?
The Fiat Doblo costs approximately 18.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £5.64 per day in fuel.
What is the WLTP MPG figure for the Fiat Doblo?
The official WLTP fuel economy figure for the Fiat Doblo is 39.2 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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