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- Plano, Texas, USA
From my experience if your brand new CX-5 out of the dealership is getting poor gas mileage than others with the same model, it’ll be like that way almost forever. My theory is each and the same engine and drivetrain will be built a bit different with thousands of parts. Some will be more efficient and some will be less. The engine and the drivetrain of your new CX-5 unfortunately is on the less efficient side hence it comes with poorer fuel economy. My 2016 CX-5 GT AWD with a 2.5L NA unfortunately is also on the less efficient side and the gas mileage isn’t impressive since new. I can only get average 24.5 mpg on daily drive in the city, and 26 ~ 28 mpg on the highway. A recent 250-mile road trip from Dallas to Austin our CX-5 got 27 mpg driving at 70 ~ 75 mph, and 26 mpg on the way back driving at 80 mph. Yes once I drove strictly under 70 mph on the highway several years ago from Houston to Dallas just to test the mpg and the result was close to 30 mpg. But that is a dangerous way to drive on Texas highway with the speed that slow.I had a chevy cruze prior to this. Great mpg but the miles starting getting high and along came the issues so I sold it. It was a 2013 with a auto 6 spd. Jump forward 10 years to this 2023 cx5 and it has a 6 spd while others are 7/8/9 speeds. Gearing and a transmission for mpg would help. My wife has a 23' Tucson and gets better mpg. Any guess why?
And discussing mpg without mentioning engine type (2.0L、2.5L NA、2.5T、2.2D) and drivetrain (FWD、AWD) on the CX-5 is meaningless.