The 3,000 people across North America and Europe who have already reserved Tesla’s Model S saloon are going to have to wait a little longer for their new car. Tesla has now confirmed that deliveries are set to begin in 2012, with annual production anticipated to be around 20,000 units. That’s not a huge volume, but the Model S will be competing head-on with established premium saloons in concept and cost. After applying the $7,500 Federal Tax Credit, Tesla is aiming for a base price in the US of $49,900 (about £31,370 or €37,550 at today’s rates). That’s directly comparable to the $53,375 Jaguar XF, $50,975 BMW 535i and $50,275 Mercedes-Benz E350, for example. However, $49,900 only gets you a basic battery pack which offers a range of 160 miles (257 km). For those anticipating range anxiety, other packs that promise either 230 miles (370 km) or 300 miles (482 km) between charges will also be available. Both will be cost options, though, and Tesla has yet to say how much extra ...