The EPA has released the efficiency ratings for the Tesla Model 3 Dual Motor and Performance versions, which are both slightly less efficient than the long range rear-wheel drive version.
The EPA has given the 2018 Tesla Model 3 Dual Motor and Performance versions at a combined rating of 116 MPGe, compared to 130 MPGe for the standard rear-wheel drive Model 3. In the city the Dual Motor and Performance versions are rated at 120 MPGe and 112 MPGe on the highway. The rear-wheel drive version is rated at 136/123 MPGe.
All three versions have an official 310 mile driving range.