The 2021 Chevrolet Silverado RST equipped with the 5.3-liter EcoTec3 V8 engine offers a powerful and refined take on the classic full-size pickup truck. As a street-oriented trim with bold styling and upgraded tech, the RST delivers a more athletic appearance than lower trims while retaining all the strength and utility expected from a Silverado. With its balance of power, comfort, and technology, this truck is ideal for drivers who need dependable performance both at work and in everyday life.

At the heart of the RST is the 5.3L V8 engine, producing 355 horsepower and 383 lb-ft of torque. This engine features Dynamic Fuel Management (DFM), which intelligently activates and deactivates cylinders to improve fuel efficiency without sacrificing performance. When paired with the available 10-speed automatic transmission (standard on select 4WD configurations), the Silverado delivers smooth, responsive acceleration and efficient highway cruising. The RST can tow up to 11,500 pounds when properly equipped, making it suitable for hauling trailers, boats, or work equipment. Fuel economy ranges from approximately 16–23 MPG, depending on drivetrain and configuration.

In terms of design, the RST stands out with body-color bumpers, door handles, and grille surround, giving it a sportier, more cohesive look. It also features LED lighting and 18- or 20-inch wheels, depending on the package. Inside, the cabin is practical yet modern, with user-friendly controls, ample storage, and available upgrades like dual-zone climate control, heated seats, and a power driver’s seat. Tech-wise, the RST comes equipped with the Chevrolet Infotainment 3 system featuring an 8-inch touchscreen, Apple CarPlay, Android Auto, Bluetooth, and available Wi-Fi hotspot capability. A rearview camera is standard, and higher trims or option packages can include advanced driver assistance features like blind spot monitoring, forward collision alert, and lane departure warning.

The ride quality of the RST is composed and quiet, especially with the 10-speed transmission. It handles well for a truck of its size and is comfortable on long drives or daily commutes. Off-road capabilities are modest compared to the Trail Boss or Z71 trims, but the RST still features auto-locking rear differentials and can be optioned with 4WD, making it versatile in challenging weather or light off-road conditions.

In terms of reliability, the 5.3L V8 is widely regarded as dependable, with many owners seeing long lifespans when properly maintained. However, some reports mention issues with the 8-speed automatic transmission in earlier model years (such as hesitation or hard shifts), and potential concerns over the lifter system used in the DFM technology, especially at higher mileage. These issues are not universal, and many are resolved with regular maintenance and software updates.