I estimate I would get almost 1.0 more MPG if I replaced my five speed manual with the six speed manual transmission from the 2016 Chevrolet Colorado, plus swap my 3.73 rear end for a 3.42. That would result in a lower first gear, a higher sixth gear, and a fifth gear slightly lower than my present fifth.
The dollar return would be negligible, but it would get me THAAAT close to 40 MPG in summer. 40 MPG is much more impressive than 39.5.
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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