Mercedes-Benz G-Class Electric vs MG IM6

The Mercedes-Benz G-Class Electric costs £106,875 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 106 miles more WLTP range and 196 kW faster peak rapid charging. On EVcarsguide's combined category scores, the MG IM6 comes out ahead overall.

The MG IM6 is £106,875 cheaper to buy. The MG IM6 is cheaper to charge, roughly £200 a year versus £280 for the Mercedes-Benz G-Class Electric, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the MG IM6 comes out roughly £107,275 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 235 miles for the Mercedes-Benz G-Class Electric and 275 miles for the MG IM6 - both below their WLTP figures, because sustained high speed is the hardest case for an EV. The MG IM6 goes roughly 39 miles further between charging stops.

The Mercedes-Benz G-Class Electric is the easier car for tight UK car parks: it is 57 mm narrower than the MG IM6. In a standard 2,400 mm bay that leaves about 469 mm of total clearance for the Mercedes-Benz G-Class Electric and about 412 mm of total clearance for the MG IM6. The MG IM6 also turns in a 3.4 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 Mercedes-Benz G-Class Electric and 84% for the MG IM6. 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.