2012 CTS Coupe 3.6 MPG ?
What’s the best MPG I can expect. These are heavy cars I know. Here’s the thing. I love seeing the max I can get. I’ve made my own oil additive for yrs now. Come spring I’ll be ready to compare/ compete. lol.
What’s the best MPG I can expect. These are heavy cars I know. Here’s the thing. I love seeing the max I can get. I’ve made my own oil additive for yrs now. Come spring I’ll be ready to compare/ compete. lol.