3 ms·
my car consumes 5% more with AC on. it's a 2002 Mazda. So, I don't believe 25% number.
by bgnn 2y ago
my car consumes 5% more with AC on. it's a 2002 Mazda. So, I don't believe 25% number.
- grecy 2y agoI feel the same way. I've never had a vehicle that consumed more than 5% extra with A/C. With my current diesel I can't notice a difference at all.
- boomboomsubban 2y agoMy source was a government site, make of it what you will. I may have worded it more strongly than I should have. https://www.fueleconomy.gov/feg/hotweather.shtml https://www.fueleconomy.gov/feg/hotweather.shtml
- chrisco255 2y agoConsumer Reports did a study on this and it only reduced gas mileage by 3% on a Honda. https://shop.advanceautoparts.com/r/advice/car-maintenance/common-ac-and-fuel-efficiency-myths-debunked https://shop.advanceautoparts.com/r/advice/car-maintenance/c...
- boomboomsubban 2y agoAt 65mph and ~85 degrees. The page I linked sources several studies testing at many other temperatures and speeds.
- chrisco255 2y agoNo car takes a 25% hit from the A/C in gas mileage.
- boomboomsubban 2y ago>The internal combustion engine (ICE) variant has an estimated fuel efficiency of 14.7 mpg‑US (16.0 L/100 km), decreasing to 8.6 mpg‑US (27 L/100 km) when the air conditioning is on.
- rsynnott 2y agoIt may be a “worst case, only when actively cooling at maximum power” figure. In reality you’d expect ambient conditions to make a big difference to aircon energy use.