Sierra Auto Group is highly praised for its excellent service department, with customers describing the staff as very helpful, courteous, and professional. Many reviewers highlight the painless and straightforward car buying experience, with clear communication and well-maintained vehicles. The dealership's team, including managers and service reps, are recognized for their outstanding care and friendly attitude. Customers appreciate the good customer service, competitive prices on parts and services, and the overall positive atmosphere. Some mention longer wait times and higher costs for certain services, but overall, the business is trusted for vehicle maintenance and sales. The team’s professionalism and friendly approach make Sierra Auto Group a recommended place for buying and servicing vehicles.