The 2021 Mercedes-Benz GLA 250 is available as a 4-door, 5-seat sport utility. Starting at $36,230, the 2021 Mercedes-Benz GLA 250 GLA 250 FWD 4dr is powered by a 2.0LL , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 34-mpg on the highway. The top of the line 2021Mercedes-BenzGLA 250GLA 250 AWD 4dr , priced at $ 38,230 , is powered by a 2.0LL , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 33-mpg on the highway.