Diamond Bar, CA Isuzu & GMC Truck Dealership

At Reynolds Isuzu, we maintain one of Southern California's most comprehensive selections of new Isuzu and GMC commercial trucks. Our inventory features the legendary Isuzu N-Series lineup, including NPR, NQR, and NRR models renowned for their reliability and efficiency in urban delivery and service applications. These low-cab-forward trucks offer superior maneuverability, excellent visibility, and proven durability that keeps your business moving forward.

Our GMC commercial truck selection encompasses the versatile Sierra lineup, from the capable Sierra 1500 to the heavy-duty Sierra 2500HD and 3500HD models. These trucks seamlessly blend professional-grade engineering with premium comfort features, making them ideal for both demanding work applications and personal use. Whether you need a cab-and-chassis configuration, box truck, flatbed, or utility body setup, our experienced team will help you find the perfect commercial vehicle solution.

Located at 626-501-3561 and 345 N. Citrus Ave, West Covina, CA 91791, we proudly serve businesses throughout Diamond Bar, Los Angeles County, Orange County, Riverside County, and San Bernardino County. Our factory-trained professionals understand the unique demands of commercial operations and will work with you to configure the right truck for your specific business needs.

Find Your Perfect Commercial Truck

Explore our extensive inventory of new Isuzu and GMC commercial vehicles.

Understanding that not every business requires a brand-new vehicle, Reynolds Isuzu offers an exceptional selection of quality used Isuzu and GMC commercial trucks near Diamond Bar. Our pre-owned inventory undergoes rigorous inspection to ensure each vehicle meets our strict standards for reliability and performance. We believe in complete transparency, providing detailed vehicle history and condition reports so you can make an informed purchasing decision.

Our used truck selection includes recent-model Isuzu NPR, NQR, and NRR trucks with low mileage, as well as budget-friendly options for cost-conscious fleet managers and business owners. Each pre-owned commercial vehicle is carefully evaluated by our experienced technicians who understand the demands placed on commercial trucks. From box trucks and delivery vans to utility trucks and heavy-duty haulers, we maintain diverse inventory to meet various business requirements.

Shopping for used commercial trucks in the Diamond Bar area has never been more convenient. Browse our online inventory to compare specifications, view detailed photos, and get pricing information from the comfort of your office. When you find a vehicle that interests you, visit our West Covina location for a thorough inspection and test drive. Call 626-501-3561 to speak with our commercial truck specialists about current availability and financing options.

Discover Pre-Owned Value

Find reliable used commercial trucks at competitive prices.

Keeping your Isuzu or GMC commercial truck in peak operating condition is essential for business success, and our professional service center near Diamond Bar is equipped to handle all your maintenance and repair needs. With over 100 years of experience servicing commercial vehicles, our factory-trained technicians possess the expertise and specialized tools necessary to maintain Isuzu and GMC trucks to manufacturer specifications.

Our comprehensive service offerings include routine maintenance such as oil changes, brake inspections, transmission services, and preventive maintenance programs designed to maximize uptime and minimize costly breakdowns. We understand that commercial vehicles work harder than passenger cars, which is why we use only genuine OEM parts and follow strict maintenance protocols. From light-duty to heavy-duty commercial trucks, our service bays are equipped to handle vehicles of all sizes and configurations.

We recognize that vehicle downtime directly impacts your business profitability, so we strive to complete services efficiently without compromising quality. Our convenient scheduling system allows you to book appointments online, and we offer fleet maintenance programs for businesses with multiple vehicles. Located at 345 N. Citrus Ave, West Covina, CA 91791, we're easily accessible from Diamond Bar and throughout the San Gabriel Valley. Contact us at 626-501-3561 to schedule your service appointment today.

Expert Service You Can Trust

Keep your commercial trucks running at peak performance with professional maintenance.

Acquiring the right commercial truck for your business shouldn't be hindered by financing challenges. At Reynolds Isuzu, our experienced finance team specializes in commercial vehicle financing solutions tailored to businesses of all sizes. We work with a network of lenders who understand the unique needs of commercial vehicle purchases, enabling us to secure competitive rates and flexible terms that align with your business cash flow requirements.

Our financing options include traditional commercial loans, lease programs, and specialized fleet financing for businesses acquiring multiple vehicles. Whether you're purchasing a single Isuzu NPR for delivery operations or outfitting an entire fleet with GMC commercial trucks, we have the expertise to structure financing that makes sense for your business. We also offer seasonal payment plans and deferred payment options for businesses with cyclical cash flow patterns.

Understanding that every business has unique financial circumstances, we take time to understand your specific needs and present clear, transparent financing options. Our finance professionals are experienced in working with start-up businesses, established companies looking to expand their fleets, and everything in between. Take the first step by applying for pre-approval online or call our finance team at 626-501-3561 to discuss your commercial vehicle financing needs.

Finance Your Fleet Today

Secure competitive financing for your commercial vehicle needs.

When selecting a commercial truck partner in the Diamond Bar area, Reynolds Isuzu stands apart through our century-plus commitment to integrity, honesty, and superior customer service. As a third-generation family business established in 1915, we have built lasting relationships with thousands of commercial customers throughout Southern California. Our deep roots in the community and long-standing reputation reflect our unwavering dedication to treating every customer as family.

Our comprehensive approach means you can handle all aspects of your commercial vehicle needs in one location. From browsing our extensive new and used inventory to securing competitive financing, and from routine maintenance to major repairs, we provide seamless service that respects your valuable time. Our factory-trained technicians, genuine parts inventory, and state-of-the-art service facilities ensure your vehicles receive the professional care they deserve.

What truly distinguishes Reynolds Isuzu is our personalized approach that large corporations simply cannot match. We take time to understand your business operations, recommend the right vehicles for your specific applications, and provide ongoing support throughout your ownership experience. Located at 345 N. Citrus Ave, West Covina, CA 91791, we're conveniently positioned to serve Diamond Bar, Pasadena, Los Angeles, Ontario, Pomona, San Dimas, and the entire San Gabriel Valley region with the exceptional service that has defined our family business for over 105 years.

Experience the Reynolds Difference

Join our family of satisfied commercial customers and discover why Reynolds Isuzu is the right choice.