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2026 Chevrolet Silverado 1500 vs. 2026 GMC Sierra 1500
Truck buyers in Herculaneum often narrow their list to two GM pickups: the Chevrolet Silverado 1500 and the GMC Sierra 1500. They share engineering, engines and a lot of hardware, so the real differences come down to trim lineup, price, styling and a few features. This page lays out the facts from Chevrolet and GMC so drivers from Festus, Pevely, Arnold and across Jefferson County can compare them clearly.
Shared Engines and Transmissions
Both trucks offer the same four engine families:
- TurboMax: 310 horsepower and 430 lb-ft of torque with an 8-speed automatic.
- 5.3L V8 with a 10-speed automatic.
- 6.2L V8 with a 10-speed automatic.
- Duramax 3.0L Turbo-Diesel with a 10-speed automatic.
On the Silverado, Chevrolet lists the 5.3L V8 at 355 horsepower and 383 lb-ft, the 6.2L V8 at 420 horsepower and 460 lb-ft, and the Duramax 3.0L at 305 horsepower and 495 lb-ft with an EPA-estimated 28 MPG highway.
Towing and Payload
- Silverado 1500 maximum towing: 13,300 pounds when properly equipped.
- Sierra 1500 maximum towing: 13,300 pounds when properly equipped with the Duramax, Double Cab 2WD and Max Trailering Package, per GMC.
- Silverado 1500 maximum payload: 2,260 pounds.
- Sierra 1500 maximum payload: 2,230 pounds on Regular Cab configurations, per GMC.
For a camper headed to the lake or a trailer of mulch from a landscape yard in Arnold, the two trucks land in the same range. Exact ratings depend on cab, bed, engine and equipment.
Trims and Starting MSRP
Silverado 1500 (10 models, starting MSRP):
- WT $37,200, Custom $42,700, LT $48,200, RST $51,300, Custom Trail Boss $53,200, LTZ $58,000, LT Trail Boss $60,000, High Country $63,200, ZR2 $71,800.
Sierra 1500 (starting MSRP):
- Pro $38,600, SLE $49,000, Elevation $50,800, SLT $55,400, Denali $66,100, AT4 $68,300, AT4X $79,900, Denali Ultimate $84,400.
The Silverado lineup starts $1,400 lower and offers more trims under $55,000, including the off-road-focused Custom Trail Boss and LT Trail Boss. MSRP excludes destination freight, tax, title, license, dealer fees and options.
Bed and Tailgate
- Silverado 1500: Durabed with 89.1 cubic feet of standard cargo volume and 12 standard tie-downs rated at 500 pounds per corner. The available Multi-Flex Tailgate has six configurations, including a full-width step that holds up to 375 pounds.
- Sierra 1500: available six-function MultiPro tailgate.
Off-Road Models
- Silverado 1500: Custom Trail Boss, LT Trail Boss and ZR2. The ZR2 comes standard with the Duramax 3.0L turbo-diesel.
- Sierra 1500: AT4 and AT4X. GMC notes the AT4X has front and rear electronic locking differentials.
Technology and Cameras
Both trucks offer a 13.4-inch diagonal touchscreen, a 12.3-inch Driver Information Center, an available 15-inch Head-Up Display and up to 14 camera views. On the Silverado, the eight-camera system is available on LT, RST, LT Trail Boss, LTZ, ZR2 and High Country.
Super Cruise with trailering is available on the Silverado High Country. On the Sierra, Super Cruise is standard on Denali Ultimate and available on Denali.
Safety
Chevy Safety Assist is standard on every 2026 Silverado 1500 and includes Forward Collision Alert with Automatic Emergency Braking, Front Pedestrian Braking, Lane Keep Assist with Lane Departure Warning and Following Distance Indicator. GMC groups its standard driver assistance features under GMC Pro Safety.
Which One Fits Your Driveway?
If the goal is the same GM capability at a lower starting price with a deep bench of trims, the Silverado 1500 deserves a close look. At Sapaugh Chevrolet in Herculaneum, our team can line up WT, LT, RST, Trail Boss, LTZ, High Country and ZR2 trucks side by side and match one to your trailer and budget.
Frequently Asked Questions
Do the Silverado 1500 and Sierra 1500 share engines?
Yes. Both offer TurboMax, 5.3L V8, 6.2L V8 and Duramax 3.0L Turbo-Diesel engines.
Which tows more?
Both are rated up to 13,300 pounds when properly equipped.
Which has a lower starting price?
The 2026 Silverado 1500 WT starts at $37,200 MSRP. The 2026 Sierra 1500 Pro starts at $38,600 MSRP.
What is the Silverado's maximum payload?
Up to 2,260 pounds when properly equipped.
Which off-road trims are available?
Silverado offers Custom Trail Boss, LT Trail Boss and ZR2. Sierra offers AT4 and AT4X.
Where can I compare Silverado 1500 trucks near Festus?
Sapaugh Chevrolet at 1435 McNutt Street in Herculaneum, MO, keeps a wide selection of 2026 Silverado 1500 trucks.