Tesla's Model 3

First California, then the world.

Tesla Inc.'s (TSLA) Model 3 was the best-selling mid-size premium sedan sold in California in the first quarter, according to a  California New Car Dealers Association report based on new registrations. 

More than 3,700 Model 3s were registered in the state in the first quarter giving it a 14.3% market share. Meanwhile, 3,323 Mercedes C-Classes were registered in the quarter for a 12.7% market share, and 3,260 BWW 3-Series for a 12.5% market share.

Californian's registered 7,530 new Tesla vehicles in the first quarter of 2018, a 58.6% increase from first quarter 2017. Tesla increased its overall market share to 1.5% of total vehicle registrations in the first quarter from 0.9% last year. 

Luxury and sports cars accounted for 10% of overall registrations, while non-luxury SUVs made up the largest share of overall registrations, accounting for 29% of the market. 

Tesla shares were up 0.5% to $276.40 in trading on Wednesday.