But there are differences between iOS and Android loyalists.
The research also found that iOS users also skew more toward Honda than do Android users.
One of the key insights from the new analysis found that car shoppers using smartphones to access Edmunds.com are just as likely — if not more likely — to engage in serious shopping behaviors than visitors using desktop computers, laptops and tablets.
"Not all mobile users are just playing," said Edmunds.com Chief Economist Dr. Lacey Plache. "Many are really serious about using their phones to assist in buying a car."
Smartphone users view local inventory listings at rates more than 30 percent higher than their wired counterparts.
According to Edmunds' research, 55 percent of smartphone visitors are Millennials or buyers ages 18 to 34.
Smartphone users are also at least 2.5 times more likely to click on ads than wired site visitors, and mobile engagement has tripled compared to last year.
Edmunds' mobile site users and traffic have more than doubled since 2012.
Edmunds says: A smartphone is becoming an indispensable tool in the search for a new vehicle.