Volkswagen Beetle Convertible from episode 2.8:
http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 9-head_games/img161.jpg

http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 9-head_games/img170.jpg


Another Crown School Coach from episode 2.8:
http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 9-head_games/img185.jpg

Mid-1990's Ford Crown Victoria from episode 3.8:
http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season3/5- 1-closeencounters/img062.jpg

1996-2001 GMC Savana from episode 2.3:
http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 4-duck_soup/img003.jpg

http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 4-duck_soup/img115.jpg

And from the same episode, a Lamborghini Miura:
http://evenstevens.disneytvzone.com/media/evenstevens/gallery/pictures/season2/2- 4-duck_soup/img159.jpg


I'll keep hunting for more.