this post was submitted on 29 Dec 2023
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[โ€“] [email protected] 2 points 10 months ago (1 children)

automatic vehicles are more efficient

I find that very hard to believe when I can keep my car from unnecessarily downshifting when going up a slight incline. Or putting it in neutral while coasting.

Hell when I first got my car the avg mpg was 21mpg and after driving it for a few months I've gotten it up to 30.

This is obviously anecdotal evidence so if anyone has more info on it that'd be great

[โ€“] [email protected] 4 points 10 months ago* (last edited 10 months ago)

There's a few articles out there. A search on Google scholar might show some more results but I just clicked one of the first ones for, "automatic vs manual transmission efficiency"

To the driver, a continuously variable transmission (CVT) operates a lot like an automatic. You don't have to operate a clutch, and you simply put the car in drive to go. Unlike manuals and automatics, however, CVTs have infinite combinations of gear ratios. What that means is that a CVT can always send power to the wheels from the engine in the most fuel-efficient way possible.

Are today's manual transmission cars more efficient than automatics?

At least based on fuel efficiency, an up to date automatic will be more fuel efficient. A manual will always be more fun and have a place in my heart.