PHEVMax

Kia Niro PHEV vs Volvo XC90 Recharge T8: which is cheaper to run?

Both are plug-in hybrids; both look attractive on the brochure. The interesting question is how much one costs you over a real year of UK driving — at your tariff, your mileage and your charging habits. Here's the honest side-by-side at typical UK assumptions.

SpecKia Niro PHEVVolvo XC90 Recharge T8
Battery11.1 kWh18.8 kWh
WLTP electric range30 mi43 mi
WLTP combined MPG270 mpg235 mpg
Real-world petrol-only MPG58 mpg33 mpg

Annual running cost (10,000 mi · 60% on battery)

CostKia Niro PHEVVolvo XC90 Recharge T8
Battery £/mile2.3p2.3p
Petrol £/mile12.2p21.5p
Blended £/mile6.3p10.0p
Annual cost£629£999
Break-even fuel price£0.30/L£0.17/L
Annual running cost difference
£370
The Kia Niro PHEV is roughly £370 cheaper a year (37%) at these assumptions.
The honest take. On running costs alone, the Kia Niro PHEV is the cheaper of the two at typical UK numbers. But running cost is only one variable — purchase price, finance, tax, insurance and depreciation usually swamp it. Use the free calculator below to plug in your own annual mileage, your home electricity tariff, and what % of your driving you'll realistically do on battery. Two minutes and you'll know which car is actually cheaper for your driving.
Run your own numbers — both PHEVs pre-loaded Calculator opens with the Kia Niro PHEV and Volvo XC90 Recharge T8 side-by-side · adjust to your miles and tariff · save your comparison free