About

Peterson Motor Co. in Boise, Idaho is the largest string of car dealerships in Idaho. We have been serving Idaho (Boise, Nampa, Twin Falls, etc.), eastern Oregon, northern Nevada, and Utah since 1928.  Our sales department, along with our service, body shop, and parts departments are superb. Allow us to demonstrate our commitment to excellence while providing you with your new Toyota, Lexus, Scion, Chevrolet, Pontiac, Cadillac, Buick, BMW, Dodge, Chrysler, or Jeep as well as used car needs!

We have hundreds and hundreds of the best Idaho used cars in stock, we have all brands, from Ford brands, to Honda, Infiniti, Mazda, Mercedes-Benz, Nissan, Subaru, and even Volkswagen among many others.

We have the largest selection of new car models in Idaho.  Some of our favorite Chevrolet models include the Chevrolet Avalanche, Malibu, Silverado, and Chevy Tahoe.  Toyota offers a wide variety of vehicles some of the models they offer are the Camry, Corolla, Tacoma, and Venza.  In Nampa Idaho, our Dodge franchise has some great new models as well, the Caliber, Charger, Ram, or Sprinter may be just what you need.  At our Chevrolet store in Boise, Cadillac offers some very high class vehicles a few of those include the CTS, SRX, Escalade, and EXT.  Chrysler Motors might surprise you with their vehicles some of our favorites are the 300, Pacifica, and Town & Country.  You can always expect Scion to be on the cutting edge of what is new and improved, the Tc, Xb, Xd are all three great vehicles.

Lexus continues to prove they give you the best as exemplified in all models, the LS, ES, IS and GX are some current models we love.  Jeep continues strong with American Tradition out at our Nampa location in providing such vehicles as the Commander, Liberty, Grand Cherokee, Patriot, and Wrangler.   The Enclave, Lucerne, and Lacrosse may surprise many as Buick vehicles with a lot of class.  As Pontiac transitions, get your hands on a new G8, G6, or Vibe.  BMW still is the ultimate driving machine, with their deep line of vehicles including some of our favorites, the 128i, 328i, X3, and X5.  If you seek a quality vehicle, on any of the aforementioned or another, you have come to the right place and will always find the lowest prices and best service at any of the Peterson Motor Dealerships.    

Our state of the art service departments will keep your Toyota, Lexus, Scion, Chevrolet, Pontiac, Cadillac, Buick, BMW, Dodge, Chrysler, or Jeep in excellent condition and our friendly staff will make your every visit to Peterson Motor Dealerships a pleasant one. Our certified service technicians will keep your vehicle running like the day you bought it.  Our body shop also is one of the best in the Northwest.

Our experienced sales staff is eager to share its knowledge and enthusiasm with you.  We encourage you to browse our online inventory, schedule a test drive and investigate financing options. You can also request more information about a vehicle using our online form or contacting the dealership directly.  

If you don't see a particular vehicle, click on CarFinder and complete the form. We will gladly inform you when a matching car arrives. If you'd like a see a vehicle in person, click on Dealership: Directions for step-by-step driving instructions to our site, or give us a call. We look forward to serving you!

We also offer parts and service for all the car lines we sell.