BYD ATTO 2 vs XPENG G6

The XPENG G6 costs £9,140 more than the BYD ATTO 2. For that premium it adds 78 miles more WLTP range, 300 kW faster peak rapid charging and 171 litres more boot space. On EVcarsguide's combined category scores, the XPENG G6 comes out ahead overall.

The BYD ATTO 2 is £9,140 cheaper to buy. The BYD ATTO 2 is cheaper to charge, roughly £160 a year versus £192 for the XPENG G6, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD ATTO 2 comes out roughly £9,300 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 178 miles for the BYD ATTO 2 and 193 miles for the XPENG G6 - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV.

The BYD ATTO 2 is the easier car for tight UK car parks: it is 90 mm narrower than the XPENG G6. In a standard 2,400 mm bay that leaves about 570 mm of total clearance for the BYD ATTO 2 and about 480 mm of total clearance for the XPENG G6. The BYD ATTO 2 also turns in a 1.1 m tighter circle, which helps with U-turns and multi-storey ramps.

Over a 8-year ownership window EVcarsguide's degradation model projects roughly 90% battery health for the BYD ATTO 2 and 90% for the XPENG G6. That is close enough that capacity loss should not decide between them. Both use LFP-type cells, which are happy charged to 100% every day. Both batteries carry a 8-year manufacturer warranty.