Tesla's online configurator indicates a new NEDC range value of the Tesla Model Y Long Range AWD version - 640 km (398 miles). That's a noticeable improvement of 46 km (29 miles) or 7.7% over the previous value of 594 km (369 miles). The other two versions: Standard Range RWD and Performance have the same range ratings as previously - respectively 525 km (326 miles) and 566 km (352 miles).