Following a mid-model-year update for 2024, the 2025 Audi Q4 E-Tron electric crossover receives a few more significant changes for the new model year. The single-motor, rear-wheel-drive model gets an 81-hp boost to 282 hp, which lowers the 0-60 mph time by 1.7 seconds, to 6.2 seconds, according to Audi. Revisions to the 82-kwh battery pack (with…