Audi e-tron Sportback vs Audi Q8 Sportback e-tron

The Audi e-tron Sportback costs £9,600 more than the Audi Q8 Sportback e-tron. For that premium it adds 87 litres more boot space and 50 kW more power. On EVcarsguide's combined category scores, the Audi e-tron Sportback comes out ahead overall.

The Audi Q8 Sportback e-tron is £9,600 cheaper to buy. Running costs are almost identical - about £224 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the Audi Q8 Sportback e-tron comes out roughly £9,640 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 231 miles for the Audi e-tron Sportback and 242 miles for the Audi Q8 Sportback e-tron - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV. Both rapid-charge to 80% in a similar time, around 30-31 minutes.

The two are within 0 mm on width, so neither is meaningfully easier to thread into a tight space. In a standard 2,400 mm bay that leaves about 465 mm of total clearance for the Audi e-tron Sportback and about 465 mm of total clearance for the Audi Q8 Sportback e-tron.

Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Audi e-tron Sportback and 84% for the Audi Q8 Sportback e-tron. 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.