It generated a raw score of 103 on a scale that only goes up to 100.

The high-performance Tesla's incredible showing actually forced Consumer Reports to reset its scoring system with P85D as the new benchmark.

Actually, these shouldn't be all that surprising.

After all, the car the P85D bumped from the top spot is its own sibling — the single-engine Model S, which CR tested in 2013.

"Usually, when you review the base model and then the performance model, you get more performance but lose efficiency," Consumer Reports' auto editor Mark Rechtin told Business Insider in an interview. "That didn't happen here. In fact, it got more efficient. The car defies the laws of physics."