Why Rimrock Auto Group?

Rimrock 20 Years

Rimrock Auto Group is the largest auto group in southern Montana as such we have the largest selection of new and used vehicles available to you today.

Come experience the 'Rimrock Way'! With our friendly, knowledgeable staff. You'll be happy you did.

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We are an enterprise centered around families

Rimrock 20 Years

The Rimrock Automotive Group is an enterprise centered around families. Its gracious corporate culture is enlivened by the purpose of ‘serving people.’.

With eight brands, an automotive detail and graphics shop, a quick lube and body shop, we are here to serve!

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The Rimrock Automotive Group Approach

Customer Care

The Rimrock Automotive Group approach to good corporate citizenship aligns with our values of 'serving people' and endeavors to maximize the positive impact upon people we have as a business enterprise

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Your One Stop for Everything Automotive


Whether you're looking for a new truck, a used car, service, parts, the latest accessories or anything in between, Rimrock Auto Group has it.

Since we're the largest group in our area, we've got the vehicle that you need at a price you can afford. Call today at 406-651-5000

With eight manufacturers under the Rimrock Auto Group banner, our new and used selection is second to none.

  • New Inventory: We carry GMC, Chevrolet, Subaru, Cadillac, Mercedes-Benz, Volkswagen and Kia vehicles in our extensive inventory of new vehicles.
  • Used Inventory: We offer a pre-owned inventory of almost three-hundred-fifty units spread across our Billings and Laurel locations!

Welcome to the Rimrock Auto Group

Rimrock Auto Group, treats the needs of each individual customer with paramount concern. Being one of the largest Auto Groups in the Montana / Wyoming region, selling GMC, Chevrolet, Cadillac, Subaru, Volkswagen, Kia, and Mercedes-Benz, we know that you have high expectations, and as your primary Billings car dealer we enjoy the challenge of meeting and exceeding those standards each and every time. Our new and upgraded service departments have state of the art computer diagnostics equipment to make sure all your service appointments and needed repairs are efficient and accurate. Allow us to demonstrate our commitment to excellence!

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 by calling (866) 694-4116.

If you don't see a particular vehicle, just send us your info, 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 that dealership, or give us a call. We look forward to serving you! Please checkout all of our dealer site links at the top of the page or below.

Rimrock Auto Group Advantages



Why buy from Rimrock?




The Rimrock Automotive Group regards the needs of each and every customer with the utmost concern. We understand our customers have high expectations, and we certainly have competition. But as one of the largest automotive dealer networks in Montana, we enjoy rising up to the challenge! View our accessory and detailing, center, Autotrim/CarNu!

Our dealerships maintain customer-focused servicemarks, such as “Driving to be the Best!” (Rimrock GMC Cadillac) and “Montana’s Low Price Leader, with Dedicated Family Service!” (Subaru) — and we genuinely want to live those words by our actions! That’s that kind of customer-focused dedication that drives us to be the best! View our used inventory, now!

Our experienced sales staff is eager to share its knowledge and enthusiasm for our products with you. We encourage you to browse our extensive online inventory of new and used motor vehicles online, then schedule a vehicle demonstration, and you may explore available financing options! For customers with less than stellar credit, we work with an extensive network of lenders and financiers, and will exhaust all available resources to secure financing! That’s our commitment to you, the customer!

If you are unable to find a particular vehicle in our inventory, use on our online contact forms for the respective dealer (i.e., Rimrock Chevrolet), and we will gladly inform you when a matching car arrives. We work for you, and look forward to serving you! If you have any questions, cares or concerns, then simply give us a call and we will be ready to help you!

Whether you’re in Billings, Bozeman, Helena, Miles City, Great Falls, or anywhere in between in Montana, or in Wyoming — we have what you’re looking for as well as competitive pricing and great service! We carry an extensive inventory of new GMC, Subaru, Chevrolet, Cadillac, Kia, Mercedes-Benz and Volkswagen vehicles, as well as quality pre-owned brands such as Chevrolet, Pontiac, Ford, Acura, Audi, Buick, Chrysler, Lincoln, Mazda, Dodge, Saturn, Toyota, GM, Hyundai, Honda, Jeep, and more!

  • CarNu Detailing Center | Billings MT Car Wash, Detail, Protection
    Visit the CarNu web site at http://www.autotrimbillings.com/carnu-detailing-center/ Why is Detailing Important? It’s more than about “looking pretty.” Auto detailing is a professional, thorough cleaning, polishing and waxing of an automobile, both inside and out, to produce a show-quality level of detail. But more importantly, it helps maintain and protect your finish. “Remember, we don’t just […]
  • Seasons greetings from Rimrock Subaru
    On behalf of the Rimrock family, General Manager R. Ernie Lee would like to extend his best wishes and happy holidays from our family to yours. Come experience the Rimrock difference today at Rimrock Subaru, 324 South 24th Street West, Billings, MT 59102. We’ve got some great year-end deals during our Subaru Share the Love […]