The 2021 Mazda CX-3 small crossover SUV remains unchanged from 2020 and starts at the same $21,740 price, including $1,100 destination fee, the automaker announced this week. The only news may be that it's still available to shoppers in the U.S. A larger 2020 Mazda CX-30 small crossover, designed for North American drivers, now shares the same...