The 2020 e-tron Sportback has an EPA range of . It is better than in the 2019 e-tron SUV, partially because a larger percentage of the battery capacity is usable. The e-tron's battery management system keeps part of the battery capacity as a buffer, which is not part of the usable capacity; now the size of that buffer was decreased to unlock more usable capacity. This change was introduced in the e-tron SUV during the production run, while in the e-tron Sportback, which entered production later, it was available from the beginning.