Tesla Roadster 3.0 can reach up to 400 miles range thanks to the new battery packs and new tyre design. The Lotus based platform roadster was the first car introduced back in 2008 to use a full lithium battery pack and it only had a capacity of 57 kWh. But today, Elon Musk had announced that the new battery pack will have bigger capacity with 70 kWh. But still MotorAuthority reported that the new roadster still not compatible to use the Tesla Supercharger. It may be due to the fact people will drive the car as weekend car not to travel as far as Tesla Model S.
To improve the efficiently of this roadster, Tesla have use a new design tyre. Tesla said it can help to reduce rolling resistance and they also add some minor updates to its bearing and residual brake drag.
More features yet to be added to this Tesla Roadster from time to time and in near future they will come up with new aero kit that will help to improve more of its aerodynamics. The Tesla Roadster will have full overhaul with new platform expected in 2018.