As well as offering discounted charging via its Supercharger network, Tesla also covers all servicing costs when you buy a car via a finance plan. VerdictWinner: Tesla Model 3With every new arrival in the electric car sector, it’s getting harder for the Model 3 to maintain its position as a front-runner. However, it has clear advantages over the Mazda 6e, including a more pleasant driving experience and less intrusive safety systems. Runner up: Mazda 6eWhile the Mazda 6e is the company’s most convincing EV yet, it’s not without caveats. Tesla Model 3Unlike the rest of the line-up, the base Model 3 can only be upgraded with black or white paint.