2016 Mazda CX-5 GT AWD w/Tech Pkg
- Plano, Texas, USA
Yes. The low side of the temperature range listed in Mazda’s international owner’s manual (again, see post #15) is -25°F on 5W-30 oil and -35°F on 0W-20. Not many times in history it has reached that low at -25°F in North Texas.Agree; It's hot most of the time, and 5W is plenty thin for our NTX climate "cold starts". 5w-30 synthetic in all my vehicles for 20 yrs, except the clapped out Ranger, which runs 20w-50.