Cupra Tavascan vs MG S6 EV

The Cupra Tavascan costs £9,345 more than the MG S6 EV. For that premium it adds 30 kW more power and a 2.4s quicker 0-62mph time. The MG S6 EV is not just cheaper - it also offers 134 litres more boot space. On EVcarsguide's combined category scores, the Cupra Tavascan comes out ahead overall.

The MG S6 EV is £9,345 cheaper to buy. The Cupra Tavascan is cheaper to charge, roughly £152 a year versus £184 for the MG S6 EV, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the MG S6 EV comes out roughly £9,185 cheaper overall. These figures cover list price and home charging only - insurance, servicing, tyres and depreciation will move the real total.

EVcarsguide estimates a real-world motorway range of about 294 miles for the Cupra Tavascan and 232 miles for the MG S6 EV - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The Cupra Tavascan goes roughly 62 miles further between charging stops. A rapid charge to 80% takes around 28 minutes in the Cupra Tavascan and 38 in the MG S6 EV, so the Cupra Tavascan loses less time at each stop. That makes the Cupra Tavascan the stronger long-distance car.

The Cupra Tavascan is the easier car for tight UK car parks: it is 51 mm narrower than the MG S6 EV. In a standard 2,400 mm bay that leaves about 539 mm of total clearance for the Cupra Tavascan and about 488 mm of total clearance for the MG S6 EV.

Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Cupra Tavascan and 84% for the MG S6 EV. That is close enough that capacity loss should not decide between them. Both use NMC-type cells, so for daily use keep the charge limit near 80% to slow degradation. Both batteries carry a 8-year manufacturer warranty.