Peugeot 306 — MPG & Fuel Costs 2025
Peugeot's classic family hatchback, legendary for its sharp handling, ride comfort, and bulletproof XUD diesel engines.
The Peugeot 306 is widely regarded as one of the best-handling family hatchbacks of its era, combining a stylish Pininfarina design with robust build quality.
Engines range from simple petrols to the bulletproof 1.9-litre XUD turbodiesel and later 2.0-litre HDi common-rail diesel engines.
Real-world fuel economy averages 42 MPG for the diesel and 33 MPG for the petrol versions under mixed driving conditions.
TL;DR
33 MPG
Real-world petrol
42 MPG
Real-world diesel
60L
Tank capacity
£82.08
Full tank (petrol)
18.8p
Per mile (petrol)
Real-World Fuel Economy: The Peugeot 306 achieves an estimated 33 MPG (petrol) and 42 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
38.7
Official WLTP
Petrol
42
Real-world MPG
Diesel
49.6
Official WLTP
Diesel
Annual fuel costs by mileage
| Annual mileage | Petrol | Diesel |
|---|---|---|
| 5,000 miles/yr | £942 | £769 |
| 7,400 miles/yr(UK average) | £1395 | £1138 |
| 10,000 miles/yr | £1885 | £1538 |
| 15,000 miles/yr | £2827 | £2307 |
| 20,000 miles/yr | £3769 | £3076 |
| Full tank (60L) | £82.08 | £85.26 |
| Cost per mile | 18.8p | 15.4p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the 306 compare?
Tips to get better MPG from your 306
The naturally aspirated 1.9 D is simple and slow, but extremely efficient if driven smoothly.
Use gear ratios sensibly; the diesel works best when cruising at low revs.
Anticipate road conditions to avoid heavy braking and preserve momentum.
Is the cheaper petrol station worth it?
In a Peugeot 306 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 Peugeot 306?
The Peugeot 306 achieves approximately 33 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 38.7 MPG due to real driving conditions. Diesel variants achieve around 42 MPG real-world.
How much does it cost to fill a Peugeot 306?
The Peugeot 306 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 Peugeot 306?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Peugeot 306 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 Peugeot 306?
In a Peugeot 306 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 Peugeot 306 cost per mile in fuel?
The Peugeot 306 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 Peugeot 306?
The official WLTP fuel economy figure for the Peugeot 306 is 38.7 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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