Hyundai Santa Fe PHEV vs MG HS PHEV: 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.
| Spec | Hyundai Santa Fe PHEV | MG HS PHEV |
|---|---|---|
| Battery | 13.8 kWh | 16.6 kWh |
| WLTP electric range | 36 mi | 32 mi |
| WLTP combined MPG | 168 mpg | 155 mpg |
| Real-world petrol-only MPG | 38 mpg | 38 mpg |
Annual running cost (10,000 mi · 60% on battery)
| Cost | Hyundai Santa Fe PHEV | MG HS PHEV |
|---|---|---|
| Battery £/mile | 2.3p | 2.3p |
| Petrol £/mile | 18.7p | 18.7p |
| Blended £/mile | 8.9p | 8.9p |
| Annual cost | £886 | £886 |
| Break-even fuel price | £0.20/L | £0.20/L |
Annual running cost difference
£0
The Hyundai Santa Fe PHEV is roughly £0 cheaper a year (0%) at these assumptions.
The honest take. On running costs alone, the Hyundai Santa Fe 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 Hyundai Santa Fe PHEV and MG HS PHEV side-by-side · adjust to your miles and tariff · save your comparison free