Tesla North America has officially declared the Model Y the most efficient electric SUV on the US market — and the implication for owners is straightforward: you pay less every time you plug in. The claim, posted directly by Tesla's official North America account, frames efficiency not as an abstract spec but as a direct line to lower charging bills.
The efficiency advantage is backed by EPA ratings across the 2026 Model Y lineup. The base RWD and AWD variants achieve approximately 4 miles per kWh (250 Wh/mile), while the Premium RWD leads the pack with an EPA-estimated range of up to 357 miles. Even the Performance trim — the thirstiest of the bunch — still manages 105 MPGe combined, according to EPA data. For context, Edmunds' real-world testing of the Premium RWD recorded 26.8 kWh per 100 miles, a figure that holds up well against any competitor in the electric SUV segment.
This isn't the first time Tesla has made this case. A similar claim was put forward for the Model Y AWD in May 2023, citing EPA ratings at the time. What's changed since then is the vehicle itself: the redesigned "New Model Y" launched in April 2025 delivered a 5% range increase using the same battery energy — meaning the efficiency gains came from engineering, not just a bigger pack. The AWD trim of that refreshed model carries a 320-mile EPA-estimated range.
For owners, the math is simple. A more efficient SUV means fewer kilowatt-hours consumed per mile, which translates directly to lower Supercharger session costs and reduced home electricity bills. Over tens of thousands of miles, that gap compounds meaningfully — especially as electricity rates continue to vary by region and time of day. If you're deciding between Model Y trims, the RWD and Premium RWD variants offer the strongest efficiency figures in the lineup and the lowest long-term energy costs.
David covers the EV industry, regulatory developments, and accessory ecosystem. 15+ years writing about consumer tech. Based in London.
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