What is the difference between the GMC Sierra and Chevy Silverado?

The Sierra 1500 and Silverado 1500 share the same underlying platform, engines, and powertrain — but the Sierra is positioned as the more premium offering. The Sierra features more upscale interior materials, distinct exterior styling, and exclusive trims not available on the Silverado, including the Denali luxury trim and the AT4 off-road trim. The Silverado has its own off-road trim (Trail Boss) and tends to be priced slightly lower in the used market.

What is the GMC Sierra Denali?

The Denali is GMC's top-tier luxury trim for the Sierra 1500, featuring premium interior materials, exclusive exterior badging, a signature chrome grille, and the highest level of technology and comfort features in the lineup. In the used market, Denali trims command a premium over base and mid-level trims due to their feature content and strong buyer demand.

What is the GMC Sierra AT4?

The AT4 is GMC's off-road trim for the Sierra 1500, introduced in 2019. It includes a factory 2-inch lift, Rancho shocks, skid plates, hill descent control, and an off-road-tuned suspension. The AT4 competes directly with the Silverado Trail Boss and Ford F-150 Tremor in the light-duty off-road segment. A more capable AT4X variant was added in later model years.

What engines are available in the used GMC Sierra 1500?

The used Sierra 1500 market is dominated by the 5.3L EcoTec3 V8, which covers the majority of SLE, SLT, and AT4 trims. The 6.2L EcoTec3 V8 is available on higher trims including the Denali and provides the highest towing and performance output. Newer models also offer a 2.7L turbocharged four-cylinder. The 5.3L V8 is the most common and practical choice for most buyers.

Is the GMC Sierra 1500 reliable?

The Sierra 1500 shares its powertrain and platform reliability with the Silverado 1500 — generally strong, with the 5.3L V8 being a proven engine across hundreds of thousands of vehicles. The main issue to watch on pre-2021 models is the Active Fuel Management (AFM) system, which can cause lifter failures on high-mileage examples. Many owners and shops address this proactively with a DOD delete kit. Post-2021 models moved to the improved Dynamic Fuel Management (DFM) system.

GMC Sierra 1500 Trucks for Sale near Hollywood, Florida

Used 2022 GMC Sierra 1500 SLT Crew Cab

$31,225 List Price

$28,895

speed 137,010 mi

sell

Key features

Diesel
4WD
SLT

location_on

Long-Lewis Ford of the River Region

Prattville, AL (587.6 mi)

(334) 342-9890

Used 2025 GMC Sierra 1500 AT4 Crew Cab

$53,874

speed 30,489 mi

sell

Key features

Diesel
Turbocharged Diesel I6 3.0L/
4WD

location_on

Akins Ford Winder

Winder, GA (590 mi)

(770) 637-6503

Used 2019 GMC Sierra 1500 SLT Crew Cab

contact for price

speed 74,890 mi

sell

Key features

Gasoline
Gas V8 5.3L
4WD

location_on

Akins Ford Winder

Winder, GA (590 mi)

(770) 637-6503

Used 2021 GMC Sierra 1500 AT4 Crew Cab

$32,482

speed 100,474 mi

sell

Key features

Diesel
4x4
AT4

location_on

Akins Ford Winder

Winder, GA (590 mi)

(770) 637-6503

Used 2025 GMC Sierra 1500 SLT Crew Cab

$49,765

speed 21,023 mi

sell

Key features

Diesel
Turbocharged Diesel I6 3.0L/
4WD

location_on

Akins Ford Winder

Winder, GA (590 mi)

(770) 637-6503

Used 2021 GMC Sierra 1500 Denali Crew Cab

$43,675

speed 40,246 mi

sell

Key features

Gasoline
Gas V8 6.2L/376
4WD

location_on

Akins Ford Winder

Winder, GA (590 mi)

(770) 637-6503

Used 2022 GMC Sierra 1500 Pro Double Cab

$34,950

speed 83,169 mi

sell

Key features

Gas/E85
5.3
4x4

location_on

Worktrux - Mobile

Mobile, AL (591.9 mi)

(251) 319-5353

Used 2018 GMC Sierra 1500 SLT Crew Cab

$30,210

speed 88,391 mi

sell

Key features

Gasoline
4WD
SLT

location_on

Lithia Springs Ford

Lithia Springs, GA (599.2 mi)

(470) 924-8859

New 2026 GMC Sierra 1500 Pro Crew Cab

$46,060

sell

Key features

Gasoline
5.3L EcoTec3 V8 engine
4WD

location_on

Rick Hendrick GMC

Duluth, GA (600.2 mi)

(470) 450-1471

New 2026 GMC Sierra 1500 Pro Crew Cab

$52,310

sell

Key features

Gasoline
5.3L EcoTec3 V8 engine
4WD

location_on

Rick Hendrick GMC

Duluth, GA (600.2 mi)

(470) 450-1471

New 2026 GMC Sierra 1500 Pro Crew Cab

$40,229

sell

Key features

Gasoline
TurboMax™ engine
RWD

location_on

Rick Hendrick GMC

Duluth, GA (600.2 mi)

(470) 450-1471

New 2026 GMC Sierra 1500 Pro Crew Cab

$44,155

sell

Key features

Gasoline
5.3L EcoTec3 V8 engine
4WD

location_on

Rick Hendrick GMC

Duluth, GA (600.2 mi)

(470) 450-1471

Used 2025 GMC Sierra 1500 SLT Crew Cab

$35,949

speed 50,467 mi

sell

Key features

Gasoline
V-8 cyl
4x4

location_on

Gwinnett Place Ford

Duluth, GA (600.2 mi)

(833) 501-3528

Used 2025 GMC Sierra 1500 SLT Crew Cab

$36,949

speed 42,314 mi

sell

Key features

Gasoline
V-8 cyl
4x4

location_on

Gwinnett Place Ford

Duluth, GA (600.2 mi)

(833) 501-3528

Used 2024 GMC Sierra 1500 Elevation Crew Cab

$38,949

speed 73,853 mi

sell

Key features

Gasoline
V-8 cyl
4x4

location_on

Gwinnett Place Ford

Duluth, GA (600.2 mi)

(833) 501-3528

New 2026 GMC Sierra 1500 Pro Double Cab

$43,832

sell

Key features

Gasoline
8 Cylinder Engine
4x4

location_on

Jim Ellis Buick GMC Mall of Georgia

Buford, GA (601 mi)

(470) 619-5504

New 2026 GMC Sierra 1500 Pro Regular Cab

$31,332

sell

Key features

Gasoline
4 Cylinder Engine
4x2

location_on

Jim Ellis Buick GMC Mall of Georgia

Buford, GA (601 mi)

(470) 619-5504

Used 2021 GMC Sierra 1500 SLT Crew Cab

$33,120

speed 98,866 mi

sell

Key features

Gasoline
Gas V8 5.3L/325
4WD

location_on

Scott Evans Chrysler Jeep Dodge

Carrollton, GA (600.9 mi)

(470) 414-5136