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 Ada, Oklahoma

Used 2026 GMC Sierra 1500 AT4X Crew Cab

$67,995

speed 25,914 mi

sell

Key features

Gasoline
Gas V8 6.2L/
4WD

location_on

Red McCombs Ford

San Antonio, TX (375.8 mi)

(844) 338-5455

Used 2022 GMC Sierra 1500 Elevation Crew Cab

$33,226

speed 66,221 mi

sell

Key features

Gasoline
5.3L V8
4WD

location_on

Ancira Chrysler Jeep Dodge Ram San Antonio

San Antonio, TX (375.8 mi)

(210) 898-4987

Used 2026 GMC Sierra 1500 AT4 Crew Cab

$61,200

speed 19,597 mi

sell

Key features

Gasoline
Gas V8 6.2L/
4WD

location_on

Red McCombs Ford

San Antonio, TX (375.8 mi)

(844) 338-5455

Used 2020 GMC Sierra 1500 Denali Crew Cab

$34,758

speed 95,993 mi

sell

Key features

Gasoline
8 Cylinder Engine
4x4

location_on

McRee Ford, Inc.

Dickinson, TX (378.1 mi)

(346) 955-6947

Used 2023 GMC Sierra 1500 Pro Crew Cab

$29,458

speed 60,301 mi

sell

Key features

Gasoline
4 Cylinder Engine
4x4

location_on

McRee Ford, Inc.

Dickinson, TX (378.1 mi)

(346) 955-6947

Used 2023 GMC Sierra 1500 Denali Crew Cab

$49,527

speed 25,023 mi

sell

Key features

Diesel
Straight 6 Cylinder Engine
4x4

location_on

McRee Ford, Inc.

Dickinson, TX (378.1 mi)

(346) 955-6947

Used 2023 GMC Sierra 1500 Denali Ultimate Crew Cab

$49,495

speed 85,389 mi

sell

Key features

Gasoline
Gas V8 6.2L/376
4x4

location_on

Landers Ford South

Southaven, MS (379.5 mi)

(662) 438-4236

Used 2023 GMC Sierra 1500 SLT Crew Cab

$40,690

speed 51,290 mi

sell

Key features

Diesel
Turbocharged Diesel I6 3.0L/
4x4

location_on

Landers Ford South

Southaven, MS (379.5 mi)

(662) 438-4236

Used 2024 GMC Sierra 1500 SLT Crew Cab

$39,195

speed 97,000 mi

sell

Key features

Diesel
Turbocharged Diesel I6 3.0L/
4x4

location_on

Landers Ford South

Southaven, MS (379.5 mi)

(662) 438-4236

Used 2026 GMC Sierra 1500 Denali Crew Cab

$61,690

speed 2,998 mi

sell

Key features

Diesel
Turbocharged Diesel I6 3.0L/
4x4

location_on

Landers Ford South

Southaven, MS (379.5 mi)

(662) 438-4236

Used 2023 GMC Sierra 1500 AT4 Crew Cab

$48,900 List Price

$48,867

speed 52,817 mi

sell

Key features

Diesel
3.0L Straight 6 Cylinder Engine
4WD

location_on

All American Chrysler Jeep Dodge of Odessa

Odessa, TX (383.3 mi)

(432) 286-1053

Used 2024 GMC Sierra 1500 AT4 Crew Cab

$54,270

speed 47,004 mi

sell

Key features

Gasoline
6.2L 8 Cylinder Engine
4WD

location_on

All American Chrysler Jeep Dodge of Odessa

Odessa, TX (383.3 mi)

(432) 286-1053

Used 2017 GMC Sierra 1500 SLE Double Cab

$15,812

speed 156,586 mi

sell

Key features

Gasoline
Gas V8 5.3L/325
4x4

location_on

Landers Ford Memphis

Memphis, TN (387 mi)

(901) 441-8126

Used 2020 GMC Sierra 1500 Denali Crew Cab

contact for price

speed 132,881 mi

sell

Key features

Diesel
4WD
Denali

location_on

Chuck Hutton Chevrolet

Memphis, TN (387 mi)

(901) 763-8367

Used 2024 GMC Sierra 1500 Denali Crew Cab

$56,488

speed 20,416 mi

sell

Key features

Diesel
4x4
Denali

location_on

JP Ford

Blytheville, AR (390.4 mi)

(870) 597-5158

Used 2020 GMC Sierra 1500 AT4 Crew Cab

contact for price

speed 112,187 mi

sell

Key features

Gasoline
8 Cylinder Engine
4x4

location_on

Mac Haik's Southway Ford

San Antonio, TX (391.3 mi)

(830) 521-7826

Used 2021 GMC Sierra 1500 Elevation Crew Cab

contact for price

speed 87,297 mi

sell

Key features

Gasoline
8 Cylinder Engine
4x4

location_on

Mac Haik's Southway Ford

San Antonio, TX (391.3 mi)

(830) 521-7826