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Inventory Specials

Check out our specials offers. Halladay offers vehicles for any lifestyle you need.

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Service Specials

Drive safe with Halladay. Our OEM trained service techs will have your vehicle running safely in no time.

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Welcome to Halladay Auto Group

Plenty of dealerships promise a great selection and exceptional service, but here in Cheyenne, we deliver on it every day. Our showroom features a wide range of new and pre-owned Nissan, Subaru, GMC, and Cadillac vehicles, all in one convenient location.

When you visit, you’ll experience a no-pressure environment where our team is here to guide you, answer your questions, and give you the time and space to explore your options. Whether you’re browsing or ready to buy, we’re committed to helping you make a confident, informed decision on your next vehicle.

With a full-service center right on-site, our commitment to you doesn’t end when you drive off the lot – it’s just the beginning. That dedication to long-term care and customer satisfaction is what truly sets Halladay Auto Group apart and makes us your trusted destination for all things automotive.

If safety, reliability, and comfort are at the top of your list, you’ll feel right at home here. We offer an impressive lineup of new Nissan, Subaru, GMC, and Cadillac vehicles designed to fit a wide range of needs and budgets. Stop by Halladay Auto Group in Cheyenne and experience them for yourself. Our knowledgeable team at Nissan, Subaru, GMC, or Cadillac will walk you through each model’s standout features, advanced safety technology, and performance highlights – then get you behind the wheel for a test drive.

Top models our customers love include the GMC Sierra 1500, Subaru Outback, and Nissan Rogue.

Shopping for a pre-owned vehicle? You’ll find just as much quality and variety in our used inventory. At Halladay Auto Group, we carefully select our pre-owned vehicles to ensure they meet our high standards for reliability and value. No matter what you’re looking for, we’re here to help you find the right fit – and make sure you drive away completely confident in your choice.

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Our Reviews

Google logo
Google Oct 11, 2026

I traveled 90 miles to have Halladay look at my Cadillac SRX. They diagnosed the problems early, and gave me the option to choose which repairs I wanted to do. The service writers were friendly and answered all of my questions. I am very impressed with their professionalism.

Google logo
Google Oct 10, 2026

Tom Medina was amazing and helped me get my new Nissan versa thank you so much tom you were great

Google logo
Google Oct 9, 2026

Always excellent care. Cam is so kind, efficient and courteous. As well as everyone else. We truly appreciate the extra cleaning.

Google logo
Google Sep 27, 2026

Diagnostics went well. Quotes for fixing issues were drastically overpriced. I was quoted 3400 for a clutch replacement by your shop and quoted half that by another reputable mechanic.

Google logo
Google Jun 28, 2026

So I went up to Halladay Nissan in Cheyenne Saturday . So I went up there with a trade in and I knew exactly what I wanted to look at and what I wanted. When I got there I was meant to talk to Tom which ended up being busy so entrusted us to a guy named Tyler but really great guys. So after about an hour we were in talk on buying a 2017 Jeep Cherokee it was a nice clean ride and thats what I wanted. He got me approved and we were in process of haggling of course on ... Read More

Google logo
Google Jun 18, 2026

Came in to get my oil changed and asked if there was any way they could vacuum and they said that they didn't do that I wish they would have done that but other than that the service was fine

Google logo
Google Jun 11, 2026

Bad experience. I don’t think you want a review from me.

Google logo
Google Oct 11, 2026

I traveled 90 miles to have Halladay look at my Cadillac SRX. They diagnosed the problems early, and gave me the option to choose which repairs I wanted to do. The service writers were friendly and answered all of my questions. I am very impressed with their professionalism.

Google logo
Google Oct 10, 2026

Tom Medina was amazing and helped me get my new Nissan versa thank you so much tom you were great

Google logo
Google Oct 9, 2026

Always excellent care. Cam is so kind, efficient and courteous. As well as everyone else. We truly appreciate the extra cleaning.

Google logo
Google Sep 27, 2026

Diagnostics went well. Quotes for fixing issues were drastically overpriced. I was quoted 3400 for a clutch replacement by your shop and quoted half that by another reputable mechanic.

Google logo
Google Jun 28, 2026

So I went up to Halladay Nissan in Cheyenne Saturday . So I went up there with a trade in and I knew exactly what I wanted to look at and what I wanted. When I got there I was meant to talk to Tom which ended up being busy so entrusted us to a guy named Tyler but really great guys. So after about an hour we were in talk on buying a 2017 Jeep Cherokee it was a nice clean ride and thats what I wanted. He got me approved and we were in process of haggling of course on ... Read More

Google logo
Google Jun 18, 2026

Came in to get my oil changed and asked if there was any way they could vacuum and they said that they didn't do that I wish they would have done that but other than that the service was fine

Google logo
Google Jun 11, 2026

Bad experience. I don’t think you want a review from me.

Google logo
Google Oct 11, 2026

I traveled 90 miles to have Halladay look at my Cadillac SRX. They diagnosed the problems early, and gave me the option to choose which repairs I wanted to do. The service writers were friendly and answered all of my questions. I am very impressed with their professionalism.

Google logo
Google Oct 10, 2026

Tom Medina was amazing and helped me get my new Nissan versa thank you so much tom you were great

Google logo
Google Oct 9, 2026

Always excellent care. Cam is so kind, efficient and courteous. As well as everyone else. We truly appreciate the extra cleaning.

Google logo
Google Sep 27, 2026

Diagnostics went well. Quotes for fixing issues were drastically overpriced. I was quoted 3400 for a clutch replacement by your shop and quoted half that by another reputable mechanic.

Google logo
Google Jun 28, 2026

So I went up to Halladay Nissan in Cheyenne Saturday . So I went up there with a trade in and I knew exactly what I wanted to look at and what I wanted. When I got there I was meant to talk to Tom which ended up being busy so entrusted us to a guy named Tyler but really great guys. So after about an hour we were in talk on buying a 2017 Jeep Cherokee it was a nice clean ride and thats what I wanted. He got me approved and we were in process of haggling of course on ... Read More

Google logo
Google Jun 18, 2026

Came in to get my oil changed and asked if there was any way they could vacuum and they said that they didn't do that I wish they would have done that but other than that the service was fine

Google logo
Google Jun 11, 2026

Bad experience. I don’t think you want a review from me.

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Halladay Auto Group 41.12990991773776, -104.84086528650727.