The upcoming Audi Q4 E-Tron battery-electric compact crossover SUV will spawn a more coupe-like version dubbed the Q4 Sportback E-Tron. A prototype for the coupe-like version has been spotted, and it looks a lot like the striking Q4 Sportback E-Tron concept Audi unveiled in July. Lamborghini has just built its 10,000th Aventador. That’s an…