Jaguar I-Pace vs Porsche Cayenne

The Porsche Cayenne costs £16,850 more than the Jaguar I-Pace. For that premium it adds 66 miles more WLTP range, 290 kW faster peak rapid charging and 125 litres more boot space. On EVcarsguide's combined category scores, the Porsche Cayenne comes out ahead overall.

The Jaguar I-Pace is £16,850 cheaper to buy. The Jaguar I-Pace is cheaper to charge, roughly £208 a year versus £240 for the Porsche Cayenne, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Jaguar I-Pace comes out roughly £17,010 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 244 miles for the Jaguar I-Pace and 234 miles for the Porsche Cayenne - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV.

The Jaguar I-Pace is the easier car for tight UK car parks: it is 85 mm narrower than the Porsche Cayenne. In a standard 2,400 mm bay that leaves about 505 mm of total clearance for the Jaguar I-Pace and about 420 mm of total clearance for the Porsche Cayenne. The Jaguar I-Pace also turns in a 0.7 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 Jaguar I-Pace and 84% for the Porsche Cayenne. 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.