2014 Tesla Model S AWD (85 kW-hr battery pack) MPG & Specs — Real Fuel Cost
Quick answer
The 2014 Tesla Model S AWD (85 kW-hr battery pack) gets an EPA-estimated 86/94 MPG (city/highway) and 89 MPG combined, with an estimated $850/year fuel cost.
The 2014 Tesla Model S AWD (85 kW-hr battery pack) with the listed electricity engine returns an EPA-estimated 86 MPG in the city and 94 MPG on the highway, for a combined 89 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | — |
| Transmission | Automatic (A1) |
| Drive | 4-Wheel Drive |
| Fuel type | Electricity |
| Vehicle class | Large Cars |
| MPG — city | 86 |
| MPG — highway | 94 |
| MPG — combined | 89 |
| Annual fuel cost* | $850 |
| CO₂ tailpipe | — |
| EPA GHG score | 10/10 |
| Electric range | 242 mi |
How efficient is it?
As an all-electric vehicle, the 2014 Tesla Model S AWD (85 kW-hr battery pack) is rated in MPGe rather than MPG, and running costs are dominated by electricity rather than fuel. That is about 240% better than the typical Large Cars of its era (26 MPG class average), making it one of the more efficient choices in its class.
Fuel economy and running costs
At about $850 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2014 Tesla Model S AWD (85 kW-hr battery pack). Over five years that is roughly $4,250 at today's prices — before insurance, maintenance, and depreciation.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.