Peugeot 508 hatchback - MPG, running costs & CO2

The latest Peugeot 508 follows in its predecessor's footsteps by vying for company fleet sales, but the French brand is keen for it to appeal to private buyers, too. A choice of fuel-efficient diesel and petrol engines – the latter of which pack lots of power – look set to please both customer types, while other running costs should be well contained.

Peugeot 508 MPG & CO2

Those who cover more than around 12,000 miles per year might be best served by the 508's diesel engine. Economy figures impress, with up to 62mpg possible for the 1.5-litre BlueHDi 130 diesel with the eight-speed automatic gearbox. Because the engine is compliant with the latest emissions regulations, this model doesn’t incur the 4% company-car tax surcharge like some diesels do, so Benefit-in-Kind is reasonable.

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In the petrol camp, the PureTech 130 is said to return up to 49mpg, which would have been impressive even for a diesel a few years ago. If you want more power, the PureTech 180’s 44mpg figure – along with the 42.2mpg claimed for the range-topping PureTech 225 – is very respectable for a car with such a strong turn of speed.

Officially, the 508 Hybrid can manage between 166.2mpg and 235.4mpg, but its real-world economy will depend entirely on how often you can charge the battery. Do so and you'll be able to make use of its 39-mile driving range at speeds of up to 84mph. Perhaps most importantly, its official 29g/km CO2 emissions figure means it qualifies for the lowest BiK payments of any version, costing company-car drivers less than half as much each year as the 1.5-litre BlueHDi diesel. It's also exempt from the London Congestion Charge.

The 11.8kWh battery pack takes under two hours to charge using a 7kW home wallbox, but it's worth noting that the 7kW on-board charger is a £300 option. Without this the 508 PHEV will charge at a rate of 3.7kW.

The 508 PSE hybrid trades ultimate efficiency for power but still offers a 26-mile electric range and a BiK rate that’s nearly a third as much as an Audi S4 or Mercedes-AMG C43.

Most versions of the Peugeot 508 sit comfortably below the £40,000 mark, so won't cost more than the standard rate for annual road tax. Those that surpass the threshold will cost almost £500 a year in the first five renewal years.

Insurance

The Association of British Insurers (ABI) has published official ratings for the latest Peugeot 508, with the entry-level BlueHDi 130 sitting in groups 22-24. The range-topping BlueTech 225 models sit in group 32 out of 50.

Servicing

Peugeot 508 owners will need to schedule a workshop visit at least annually, and Peugeot offers service packages to suit your specific circumstances. This will also help manage outgoing costs.

Warranty

Peugeot's warranty matches the three-year/unlimited-mileage policy offered by premium rivals, but still comes some way short of the seven-year/100,000-mile warranty offered by the Kia Stinger.