The 2021 Audi Q3 compact crossover SUV comes with a new entry-level trim, a lower starting price, and a less potent engine than the 2020 version, Audi announced this week. The new Q3 40 slides in under the Q3 45 and shaves $700 off of last year's starting price to cost $35,095, including $1,095 destination fees. Both models come with a 2.0-liter...