Peugeot 407 — MPG & Fuel Costs 2025
A comfortable French cruiser with distinctive wide-mouth styling, highly popular with high-mileage company car drivers.
The Peugeot 407 succeeded the 406 and brought dramatic styling to the medium saloon class. It is remembered for its long front overhang and highly comfortable, soft ride quality.
The engine line-up was dominated by Peugeot's highly regarded HDi diesels, particularly the 1.6 HDi and 2.0 HDi. These engines made the 407 an exceptionally economical fleet cruiser.
Real-world motorway runs see the 2.0 HDi achieving 45+ MPG easily, while the petrol engines are considerably thirstier, averaging around 32 MPG in mixed cycles.
TL;DR
31 MPG
Real-world petrol
42 MPG
Real-world diesel
66L
Tank capacity
£90.29
Full tank (petrol)
20.1p
Per mile (petrol)
Real-World Fuel Economy: The Peugeot 407 achieves an estimated 31 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 66-litre tank completely costs approximately £90.29 (petrol) or £93.79 (diesel) at average UK fuel price rates.
Fuel economy at a glance
31
Real-world MPG
Petrol
36.7
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 | £1003 | £769 |
| 7,400 miles/yr(UK average) | £1485 | £1138 |
| 10,000 miles/yr | £2006 | £1538 |
| 15,000 miles/yr | £3009 | £2307 |
| 20,000 miles/yr | £4012 | £3076 |
| Full tank (66L) | £90.29 | £93.79 |
| Cost per mile | 20.1p | 15.4p |
Based on UK average fuel prices: petrol 136.8p/L · diesel 142.1p/L. Prices updated regularly.
How does the 407 compare?
Tips to get better MPG from your 407
Motorway cruising is the 407's home territory; keep it in top gear and let the torque do the work.
Ensure tyre tracking is correct to prevent scrubbing and increased rolling resistance.
Keep the heavy boot cleared of unnecessary sales samples or luggage.
Is the cheaper petrol station worth it?
In a Peugeot 407 achieving ~31 MPG real-world, if you fill 53 litres and the alternative station is 10p/litre cheaper:
£5.30
Gross saving on fuel
£0.60
Cost of 3-mile detour
£4.70
Net saving ✓
You could drive up to 26 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 407?
The Peugeot 407 achieves approximately 31 MPG in real-world petrol driving — around 12% lower than the official WLTP figure of 36.7 MPG due to real driving conditions. Diesel variants achieve around 42 MPG real-world.
How much does it cost to fill a Peugeot 407?
The Peugeot 407 has a fuel tank of 66 litres. At the UK average of 136.8p/litre for petrol, a full tank costs approximately £90.29. Diesel costs approximately £93.79 for a full tank.
What is the annual fuel cost for a Peugeot 407?
At the UK average annual mileage of 7,400 miles and current petrol price of 136.8p/litre, a Peugeot 407 costs approximately £1485 per year in fuel. At 10,000 miles/year the cost rises to £2006. Actual costs vary with your driving style and mileage.
Is it worth driving to a cheaper petrol station in a Peugeot 407?
In a Peugeot 407 doing ~31 MPG real-world, driving 3 miles round-trip to save 10p/litre on a 53-litre fill nets approximately £4.70 after the extra fuel cost. You could drive up to 26 miles before the saving is eaten up. Use the WorthThePump calculator for your exact situation.
How much does the Peugeot 407 cost per mile in fuel?
The Peugeot 407 costs approximately 20.1p per mile in petrol at current UK prices. Over a typical commute of 30 miles per day, that is approximately £6.03 per day in fuel.
What is the WLTP MPG figure for the Peugeot 407?
The official WLTP fuel economy figure for the Peugeot 407 is 36.7 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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