About Horizon Auto Center

Horizon Auto Center is your local new-car dealership alternative. We’ve been your auto maintenance and repair center, specializing in European vehicles while servicing all makes and models, in Rockwall, TX since 2001. We sell and service new tires and wheels for customers from Rockwall, TX, Heath, TX, Fate, TX, and surrounding areas. We’re your one-stop shop for auto services and truck accessories. Our facility is equipped to handle anything from basic maintenance to major engine repairs. We offer courtesy shuttles and loaner cars. Or, for those who wait, we have complimentary Wi-Fi, coffee, and water.

Top Services

  • Air Conditioning Recharge
  • Alternator Replacement
  • Brake Pad and Rotor Replacement
  • Catalytic Converter Replacement
  • Scheduled Maintenance Service
  • Timing Chain Replacement
  • Transmission Fluid Services
  • Transmission Repair
  • Turbocharger Replacement
  • Water Pump Replacement

Top Vehicles Serviced

  • Acura
  • Audi
  • BMW
  • Honda
  • Hyundai
  • Jeep
  • Mazda
  • Mercedes-Benz
  • Nissan
  • Subaru
  • Toyota
  • Volkswagen


  • Lifetime/Lifetime warranty (whichever comes first) for parts & labor*

Services Offered

  • Air conditioning diagnosis
  • Air conditioning recharge
  • HVAC blower motor
  • Brake master cylinder
  • Brake pad replacement
  • Brake rotor Replacement
  • Brake shoe replacement
  • Radiator replacement
  • Vehicle exterior wash
  • Vehicle interior detail
  • Brake system diagnosis
  • Check engine light diagnosis
  • Diagnose my vehicle
  • Electrical system diagnosis
  • Catalytic Converter replacement
  • Oxygen sensor replacement
  • Engine mount replacement
  • Timing Chain replacement
  • Turbocharger replacement
  • Water Pump replacement
  • Exhaust replacement
  • Muffler replacement
  • Fuel pump replacement
  • Fuel system repairs
  • Hybrid battery replacement
  • Hybrid inverter assembly
  • Ignition system diagnosis
  • Coolant system flush
  • Drive belt replacement
  • Engine oil and filter change
  • Minor/external transmission service
  • Serpentine / drive belt
  • Spark plug replacement
  • Timing belt replacement
  • Tire rotation
  • Alternator replacement
  • Battery replacement
  • Starter replacement
  • Safety or Emission inspection
  • Suspension ball joint
  • Wheel alignment
  • Tire replacement
  • Axle shaft oil seal replacement
  • Transmission diagnosis
  • Transmission repair
  • Valve body service

Other Services

Truck Accessories, Detailing, Texas State Inspection

Vehicles Serviced

  • Acura
  • Audi
  • BMW
  • Buick
  • Cadillac
  • Chevrolet
  • Chrysler
  • Dodge
  • FIAT
  • Ford
  • GMC
  • Honda
  • Hyundai
  • Infiniti
  • Isuzu
  • Jaguar
  • Jeep
  • Kia
  • Land Rover
  • Lexus
  • Lincoln
  • MINI
  • Mazda
  • Mercedes-Benz
  • Mercury
  • Mitsubishi
  • Nissan
  • Oldsmobile
  • Pontiac
  • Porsche
  • Ram
  • Saab
  • Saturn
  • Scion
  • Subaru
  • Suzuki
  • Toyota
  • Volkswagen
  • Volvo
  • smart


    • Early drop off
    • Shuttle service
    • Free wifi
    • State inspection
    • Wait on site

Other Amenities

Free coffee & water

2000 BMW 3 Series
"Very friendly owner. Competitive price. "
"Heath was so nice and helpful. He gave me a great deal on two new tires. He Didn’t try to sell me something I didn’t need. He told me I really only needed 2 new tires. I greatly appreciate his honesty!! They got me in and out quickly! Great experience!!"
"Very good mechanic shop Always keeps u updated and goes out of their way to make the customer experience great. Joseph is a great one to deal with. They have done excellent work on my truck. Would recommend highly to anyone"
"They service all of our local fleet and always do a great job. Very fast and always treat us like a priority to get our vehicles back on the road quickly. Highly recommended trustworthy team of professionals."
"Truck department installed a 5.5 inch lift on my ram 2500. Did a great job and went above and beyond what was expected. Knew all the answers to every question I asked and offered multiple solutions to parts I am wanting to add to my truck. Will be working with them completely to build the rest of my truck."
"Friendly employees. They installed a bed cover on my pickup truck. They did a good job and were quick."


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