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Welcome to Diamond GMC of Banning
At Diamond GMC of Banning, we pride ourselves on being the go-to GMC dealer in Banning, CA. Our commitment to the community and our customers is unmatched, providing a welcoming atmosphere and a wide selection of new and used vehicles. Whether you're seeking a powerful truck or an efficient SUV, Diamond GMC of Banning is your ultimate destination.
2026
Sierra 1500
From the hardworking Pro and the well-equipped SLT to the off-road ready AT4 and the luxurious Denali Ultimate, there's a GMC Sierra 1500 pickup truck ready to help you take on whatever lies ahead.
View InventoryTop GMC Service and Parts Center Serving Banning, CA
Our state-of-the-art service center is dedicated to maintaining your vehicle's performance. Utilizing advanced diagnostic tools and genuine GMC parts, our certified technicians are ready to assist you with everything from routine maintenance to complex repairs. Trust us to keep your vehicle running smoothly, just as the day you bought it. Schedule your service appointment now.
Learn More| Monday | 9:00AM - 9:00PM |
| Tuesday | 9:00AM - 9:00PM |
| Wednesday | 9:00AM - 9:00PM |
| Thursday | 9:00AM - 9:00PM |
| Friday | 9:00AM - 9:00PM |
| Saturday | 9:00AM - 9:00PM |
| Sunday | 10:00AM - 8:00PM |
| Monday | 7:00AM - 6:00PM |
| Tuesday | 7:00AM - 6:00PM |
| Wednesday | 7:00AM - 6:00PM |
| Thursday | 7:00AM - 6:00PM |
| Friday | 7:00AM - 6:00PM |
| Saturday | 8:00AM - 2:00PM |
| Sunday | Closed |
| Monday | 7:00AM - 6:00PM |
| Tuesday | 7:00AM - 6:00PM |
| Wednesday | 7:00AM - 6:00PM |
| Thursday | 7:00AM - 6:00PM |
| Friday | 7:00AM - 6:00PM |
| Saturday | 8:00AM - 2:00PM |
| Sunday | Closed |
Check Out the New GMC Sierra 1500 in Banning
The new GMC Sierra 1500, also showcased at our Banning showroom, is a versatile full-size pickup truck that combines rugged capability with modern technology and premium features. It offers a bold design with a massive grille, signature C-shaped LED lighting, and available Denali Ultimate and AT4X trims for luxury and off-road performance. Under the hood, the new GMC Sierra 1500 offers multiple powertrains, including a 5.3L V8 (355 hp, 383 lb-ft torque), a 6.2L V8 (420 hp, 460 lb-ft torque), and a 3.0L Duramax Turbo-Diesel (305 hp, 495 lb-ft torque). These engines pair with an 8-speed or 10-speed automatic transmission for smooth power delivery. The new GMC Sierra 1500 is a great companion for Banning drivers. Inside, it features a 13.4-inch touchscreen, a 12.3-inch digital gauge cluster, Super Cruise hands-free driving, and premium leather seating. With an expected max towing capacity over 13,200 lbs* and a starting price of $38,300*, the new GMC Sierra 1500 is built for work and comfort in and around Banning.
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Test-Drive a GMC Acadia in Banning
The new GMC Acadia, also showcased at our Banning store, is a midsize SUV that offers more space, advanced technology, and powerful performance. With a redesigned exterior, it features a bold grille, sleek LED lighting, and available Denali and AT4 trims for luxury and off-road capability. Under the hood, the new GMC Acadia is powered by a 2.5L turbocharged 4-cylinder engine, delivering 328 hp and 326 lb-ft of torque, paired with an 8-speed automatic transmission. Front-wheel drive (FWD) is standard, while all-wheel drive (AWD) is available for enhanced traction. Inside, the Acadia boasts a 15-inch touchscreen infotainment system, a 11-inch digital gauge cluster, wireless Apple CarPlay and Android Auto, and a premium Bose audio system. Safety is a priority with adaptive cruise control, lane-keeping assist, blind-spot monitoring, and Super Cruise hands-free driving. With a more spacious cabin, modern features, and a starting price of around $43,000*, the new GMC Acadia is a top choice for families and adventurers alike. Head do our Banning store to learn more!
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Buy Or Lease the new GMC Hummer EV in Banning
The new GMC Hummer EV, also showcased at our Banning store, is an all-electric powerhouse that blends extreme off-road capability with advanced technology. Available in pickup and SUV configurations, it offers a rugged design, high-strength chassis, and innovative features like CrabWalk™ mode, allowing diagonal movement for better maneuverability on rough terrain. Powered by GM’s Ultium battery platform, the Hummer EV delivers up to 830 horsepower* and 11,500 lb-ft* of torque in the EV3X trim, achieving 0-60 mph in about 3 seconds. The new GMC Hummer EV, also available at our Banning showroom, offers an estimated range of over 300 miles and supports 350 kW fast charging, adding nearly 100 miles in 10 minutes. Key features include UltraVision with underbody cameras for off-road visibility, a Power eTrunk for extra front storage, and Extract Mode, which raises the suspension for additional clearance. With a starting price of around $96,550*, the new GMC redefines electric off-road performance with groundbreaking technology. Learn more at our Banning store.
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Test-drive the new GMC Sierra 2500 HD in Banning
The new GMC Sierra 2500 HD, also showcased at our Banning store, is a powerful heavy-duty truck designed for towing, hauling, and off-road capability. It features a bold exterior with a large grille, LED lighting, and available Denali Ultimate and AT4X trims for added luxury and rugged performance. Under the hood, the new GMC Sierra 2500 HD, also available at our Banning showroom, offers two engine options: a 6.6L V8 gas engine producing 401 hp and 464 lb-ft of torque, and a 6.6L Duramax Turbo-Diesel V8 delivering 470 hp and 975 lb-ft of torque. Both engines are paired with a 10-speed Allison automatic transmission for improved power delivery and efficiency. Inside, the Sierra 2500 HD offers a 13.4-inch touchscreen, a 12.3-inch digital gauge cluster, Super Cruise hands-free driving, and premium materials. Safety features include adaptive cruise control, blind-spot monitoring, and a 360-degree camera system. With an expected towing capacity of over 36,000 lbs*, the new GMC Sierra 2500 HD is built for serious work and premium comfort. Drop by our Banning store to learn more!
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Warning: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.p65warnings.ca.gov/passenger-vehicle.