The Model Y L range test just delivered a record 358 miles, the longest any Model Y has ever achieved in our testing.
Edmunds confirmed the 2027 Model Y L range with their rear-wheel-drive Premium model on 20-inch wheels, beating its EPA rating by 12 percent. This Model Y L 358 miles result tops every other variant we've put through the same loop, including the Long Range AWD at 327 miles and the standard Model Y at 337 miles.
Why the efficiency jump matters
Tesla applied lessons from previous models to the larger body: 23 percent better thermal efficiency, a new alloy for heat management, and up to 15 percent faster cabin cooling. Those upgrades show up directly in the Model Y L real world range numbers. The bigger question now is what happens with the smaller 19-inch wheels. If the 20-inch setup already clears 358 miles, the 19-inch Model Y L RWD range could push toward 400 miles.
That kind of efficiency in a bigger vehicle makes me wonder why Tesla hasn't applied the same package to the Model X or Cybertruck yet.
What this means for buyers
If you're waiting on the Model Y L RWD, the range test results suggest it could be the most practical long-distance Tesla yet. Check the latest Model Y L RWD release date and price rumors for timing details. Early impressions from U.S. roads are also available in our Model Y L driving review.
Bottom line
The Model Y L range test proves Tesla can still move the needle on efficiency even as vehicles get larger. A 400-mile Model Y L RWD range would be a genuine game changer for anyone who racks up highway miles.
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