Summary
The 2021 GMC Sierra 2500 Fleet/Base is a no-nonsense heavy-duty pickup built to handle demanding work with strength, reliability, and straightforward functionality. Designed for job sites and hauling needs, this truck offers robust capability with a focus on durability and value.



Vehicle Details
Under the hood, the Sierra 2500 Base comes equipped with a 6.6L V8 gas engine producing 401 horsepower and 464 lb-ft of torque, paired with a 6-speed automatic transmission. This powertrain delivers solid towing performance, with a maximum towing capacity of up to 14,500 lbs when properly equippedâ€"ideal for trailers, equipment, or heavy loads.

Inside, the regular cab layout offers seating for up to three with durable vinyl or cloth upholstery and easy-to-clean surfaces. The no-frills interior is designed for function, with manual climate controls, a tilt steering wheel, and ample in-cabin storage for tools and essentials.

Technology features include a 7-inch touchscreen infotainment system with Apple CarPlay and Android Auto, Bluetooth connectivity, and a rearview camera for improved visibility when backing up or hitching a trailer. USB ports, voice command, and steering wheel-mounted controls provide convenience without overcomplicating the workspace.

On the outside, the Sierra 2500 Base presents a tough, practical design with black grille and bumpers, halogen headlights, and 17-inch steel wheels. The durable bed includes 12 cargo tie-downs and is available with a spray-in bedliner for added protection during heavy use.

Safety essentials like StabiliTrak electronic stability control, trailer sway control, and daytime running lights are standard, offering confidence and control even when the job gets tough.

Built to get the work done without distractions, the 2021 GMC Sierra 2500 Fleet/Base is a dependable partner for business owners and drivers who need serious performance and straightforward utilityâ€"available now at JP Sides Mazda.

Our mission is to be easy to do business with and to be loved by our customers, our community, and our team members.

Locally owned and operated.

Equipment
**Key Features â€" 2021 GMC Sierra 2500 HD (Base / Fleet)**

**Engine & Performance**
- Standard engine: 6.6 L V8 gasoline, ~ 401 hp and ~ 464 lbâ€'ft torque
- Optional: 6.6 L Duramax turboâ€'diesel (higher power/torque)
- Automatic transmission (heavyâ€'duty automatic)
- Rear-wheel drive standard; 4×4 optional
- Twoâ€'speed transfer case when 4×4 equipped
- Rugged frame and suspension for heavy loads

**Fuel Economy**
- EPA ratings not fully comparable for heavy-duty trucks
- Gas engine: typical midâ€'teens mpg (city), somewhat higher on highway
- Diesel version yields better highway efficiency

**Exterior Highlights**
- Steel wheels (standard)
- Basic lighting: halogen or standard headlamps, daytime running lights
- Tow mirrors (on higher equipment)
- Basic body styling, no luxury trim accents on Base / Fleet version

**Interior Features**
- Bench seating (front) or split bench depending on configuration
- Vinyl or durable cloth upholstery
- Manual HVAC controls
- Basic interior trim (plastic surfaces for durability)
- Basic instrumentation cluster with analog gauges

**Technology & Infotainment**
- Base infotainment: small touchscreen or display, Bluetooth audio
- AM/FM radio, USB / auxiliary inputs
- Backup camera standard
- Basic connectivity (no premium options in base trim)

**Safety & Driver Assistance**
- Standard rearview camera
- Stability control, traction control
- Antiâ€'lock brakes (ABS)
- Airbags: front driver/passenger, side curtain
- Tire pressure monitoring
- May lack advanced driver assist features found on higher trims

**Dimensions & Capacity**
- Seating capacity: up to 6 (in bench seat config)
- Bed options: typically 6.5 ft or 8 ft beds
- Payload: ~ 3,500 â€" 3,900 lbs (varies by configuration)
- Towing capacity: up to ~ 18,500 lbs (with diesel and proper setup)
- Gross vehicle weight rating (GVWR): up to ~ 10,450 lbs
- Overall length, wheelbase, ground clearance depend on cab/bed/drive setup