MG IM6 vs Subaru Solterra

The Subaru Solterra costs £4,510 more than the MG IM6. On the headline specs that premium buys little measurable advantage - the two are closely matched on range, charging and space. The MG IM6 is not just cheaper - it also offers 99 miles more WLTP range, 246 kW faster peak rapid charging and 213 litres more boot space. On EVcarsguide's combined category scores, the MG IM6 comes out ahead overall.

The MG IM6 is £4,510 cheaper to buy. The Subaru Solterra is cheaper to charge, roughly £168 a year versus £200 for the MG IM6, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the MG IM6 comes out roughly £4,350 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 275 miles for the MG IM6 and 241 miles for the Subaru Solterra - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The MG IM6 goes roughly 34 miles further between charging stops. Both rapid-charge to 80% in a similar time, around 17-20 minutes.

The Subaru Solterra is the easier car for tight UK car parks: it is 128 mm narrower than the MG IM6. In a standard 2,400 mm bay that leaves about 540 mm of total clearance for the Subaru Solterra and about 412 mm of total clearance for the MG IM6. The MG IM6 also turns in a 1.0 m tighter circle, which helps with U-turns and multi-storey ramps.

Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the MG IM6 and 84% for the Subaru Solterra. 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.