When we still has a Toyota Sienna, I was able to roll my Cannondale road bike into the trunk (with the third row seats folded flat) and put the front wheel and handlebars between the second row seats. It would stay there in place while driving without moving at all. It was the perfect setup for that. It even worked with my wife’s bike in the van as well. That’s one of the few times I actually regret having sold the Sienna. Of course, now I’m getting more than twice the gas mileage with our Prius with a hitch mount rack more or less permanently installed.