BMW‘s 3 Series was new for 2020, so the 2021 BMW 3 Series hasn’t changed much. There is one exception: The 2021 BMW 3 Series is now available again as a plug-in hybrid model with gasoline and electric power. The new PHEV 3 Series is called the BMW 330e, and it’s also sold as an all-wheel-drive model called the 330e xDrive.
BMW says that the new PHEV 3 Series can travel 22 miles on electricity alone, or 20 miles for the xDrive model, receiving power from a lithium-ion battery under the back seat. The Environmental Protection Agency-estimated fuel economy is 28 miles per gallon in combined driving for the rear-wheel-drive 330e and 25 mpg combined for the AWD 330e xDrive. For the record, the previous 3 Series PHEV, from 2018, had an electric range of only 14 miles, but it had a better EPA fuel economy rating of 30 mpg combined.
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