The tested Z06ís MPG ratings are 12 City and 19/21 Highway.
The 19 MPG is with the aero package (Z07) and get 21 MPG with a Z06 in the base trim.

The combined MPG rating is 14/15 (base/Z07).

From those numbers,
the gas guzzler tax for the 2023 Z06 came in at $2,600 for the base trim model
and $3,000 for Z06s with the Z07 aero.


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