Alfa Romeo Junior Elettrica vs BYD ATTO 2

The Alfa Romeo Junior Elettrica costs £3,050 more than the BYD ATTO 2. For that premium it adds 41 miles more WLTP range. The BYD ATTO 2 is not just cheaper - it also offers a 1.1s quicker 0-62mph time. On EVcarsguide's combined category scores, the Alfa Romeo Junior Elettrica comes out ahead overall.

The BYD ATTO 2 is £3,050 cheaper to buy. Running costs are almost identical - about £160 a year either way, at 8,000 miles on an off-peak home tariff. Add 5 years of charging and the BYD ATTO 2 comes out roughly £3,090 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 176 miles for the Alfa Romeo Junior Elettrica and 178 miles for the BYD ATTO 2 - effectively matched, and both well below their WLTP figures because sustained high speed is the hardest case for an EV.

The Alfa Romeo Junior Elettrica is the easier car for tight UK car parks: it is 49 mm narrower than the BYD ATTO 2. In a standard 2,400 mm bay that leaves about 619 mm of total clearance for the Alfa Romeo Junior Elettrica and about 570 mm of total clearance for the BYD ATTO 2.

Over a 8-year ownership window EVcarsguide's degradation model projects roughly 84% battery health for the Alfa Romeo Junior Elettrica and 90% for the BYD ATTO 2. That gives the BYD ATTO 2 a modest edge in retained real-world range. The BYD ATTO 2's LFP-type pack tolerates daily 100% charging, while the Alfa Romeo Junior Elettrica's NMC-type pack lasts longest kept to about 80% for everyday use. Both batteries carry a 8-year manufacturer warranty.