That Dodge Avenger you just rented from Avis shares its basic platform with the handles-on-rails Mitsubishi Evo.An uninspired kid brother to Dodge’s feral-to-ferocious Charger sedans, the Avenger elicited little praise at its 2008 model year launch when it replaced the Stratus sedan. A victim of Daimler cost cutting and Chrysler indifference, the Avenger was high on Fiat chief Sergio Marchionne’s