Renault Megane — MPG & Fuel Costs 2025
Renault's family hatchback and estate, offering highly comfortable highway ride and economical engine choices.
TL;DR
45 MPG
Real-world petrol
54 MPG
Real-world diesel
47L
Tank capacity
£64.30
Full tank (petrol)
13.8p
Per mile (petrol)
Real-World Fuel Economy: The Renault Megane achieves an estimated 45 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
45
Real-world MPG
Petrol
53.3
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 | £691 | £598 |
| 7,400 miles/yr(UK average) | £1023 | £885 |
| 10,000 miles/yr | £1382 | £1196 |
| 15,000 miles/yr | £2073 | £1794 |
| 20,000 miles/yr | £2764 | £2393 |
| Full tank (47L) | £64.30 | £66.79 |
| Cost per mile | 13.8p | 12.0p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the Megane compare?
Tips to get better MPG from your Megane
Charge the PHEV battery nightly to maximize electric-only running for daily commutes.
Use Eco mode to keep the gearbox in higher gears for longer, lowering engine RPM.
Maintain consistent motorway cruising speeds to get the best out of the dCi diesel.
Is the cheaper petrol station worth it?
In a Renault Megane achieving ~45 MPG real-world, if you fill 38 litres and the alternative station is 10p/litre cheaper:
£3.80
Gross saving on fuel
£0.41
Cost of 3-mile detour
£3.39
Net saving ✓
You could drive up to 27 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 Renault Megane?
The Renault Megane achieves approximately 45 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 53.3 MPG due to real driving conditions. Diesel variants achieve around 54 MPG real-world.
How much does it cost to fill a Renault Megane?
The Renault Megane 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 Renault Megane?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Renault Megane costs approximately £1023 per year in fuel. At 10,000 miles/year the cost rises to £1382. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Renault Megane?
In a Renault Megane doing ~45 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 38-litre fill nets approximately £3.39 after the extra fuel cost. You could drive up to 27 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Renault Megane cost per mile in fuel?
The Renault Megane costs approximately 13.8p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £4.14 per day in fuel.
What is the WLTP MPG figure for the Renault Megane?
The official WLTP fuel economy figure for the Renault Megane is 53.3 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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