Patman
Staff member
In southern Ontario it very very seldom gets cold enough. All in all I would bet if you were pressed to make a choice in your part of the country you would take a 30 all day. Chances are where you live it won't normally become cold enough for that 0w20 but it definitely will get hot enough for a 30.
I have made my choice and for the Civic I will still always choose 0w20 over 5w30. Even if the fuel economy benefit is a fraction of a MPG, it will still make a difference over hundreds of thousands of miles and I’m still confident that this engine will last a long time on it. This engine does not get stressed at all, so it will do just fine with a lower HTHS oil.
I just think that every situation is different and in my situation there is no need for a 5w30 here. This 2.0 engine has port injection so it isn’t prone to fuel dilution, and it has a CVT so with a very light foot on the gas the engine rarely gets above 2000 rpm. It really couldn’t live an easier life than it does with me
