this post was submitted on 06 Jan 2024
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It's the same with gas, you just didn't notice it as much. Gas cars definitely get way lower mileage in the winter.
In mine the torque converter clutch won't lock until the transmission is warm. That takes a while in winter.
You notice some differences just from the air temperature going into the engine too. Especially in a turbocharged car.
Colder air means denser air. Denser air means more oxygen molecules in the same volume of air. More oxygen means the engine can put more fuel and produce a bit more power.
Depending on your driving style, i.e. If you have a heavy foot, this means a bit more power and fun, but you're burning a bit more gas too.
Denser air also means more drag. Few IC cars are optimised for aerodynamics
Something else i dont see mentioned often either is that ICE cars generate heat as a waste byproduct of producing power, but electric cars dont produce usable heat, so if your in an area where its cold then using the AC heating will be additional battery usage coming off your driving range
By FAR the biggest impact on range in the winter for me is climate control.