I just checked and if we're doing like for like the cheapest BYD Seal is $50k AUD (510km range, 0-100 in 7.5). The cheapest model 3 is $59k (520km range, 0-100 in 6.1). So I guess closer to 20%.

If you're comparing the Atto 1 it's $26k for 200 range, 0-100 in 11.1. Not really a fair comparison.