New and Used Luxury Cars for Sale 10 Miles From Thornton, CO

Whether you know exactly what you're looking for or you have absolutely no idea, Sill-TerHar Motors has an extensive inventory of new and used cars that you won't find anywhere else in the Thornton area. From Ford, Mazda, and Volvo to Aston Martin, Lamborghini, Maserati and Jaguar models, our new car lineup truly has something for everyone.

Once you take that fateful test drive and fall for the car, truck, van or SUV of your dreams, our car loan and lease experts will be ready to talk numbers with you. Benefiting from a large network of lenders in the Thornton area, we'll lock down the lowest interest rates available.

What's more, you'll rest easy knowing that our auto repair and car parts centers are only 10 miles away. With regularly scheduled maintenance from Sill-TerHar Motors you can actually extend your vehicle's lifespan!
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Directions to Sill-TerHar Motors from Thornton, CO

  • Get on I-25 N from Thornton Pkwy
  • Follow I-25 N and E 120th Ave to Nickel St in Broomfield County
  • Take Industrial Ln to Alter St
  • Our Mazda, Jaguar, Ford, Volvo, Lincoln, Aston Martin, Lamborghini & Maserati dealership near Thornton will be on the right.


Sill-TerHar Motors

150 Alter St
Directions Broomfield, CO 80020

  • Sales: (303) 469-1801
  • Parts & Service: (303) 469-1801
  • Parts: (303) 469-1801


  • Monday 8:00 am - 7:00 pm
  • Tuesday 8:00 am - 7:00 pm
  • Wednesday 8:00 am - 7:00 pm
  • Thursday 8:00 am - 7:00 pm
  • Friday 8:00 am - 7:00 pm
  • Saturday 8:00 am - 6:00 pm
  • Sunday Closed

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