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Sierra 1500

Denali Ultimate Package

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Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package

Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package Denver CO 80210

Automatic

Denali

Pro Value Package

X31 Off-Road Package

New 2024 GMC Sierra 1500 Pro w/ Pro Value Package

New 2024 GMC Sierra 1500 Pro w/ Pro Value Package Littleton CO 80129

SLT Premium Package

Suspension Package, Off-Road

Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package Denver CO 80224

Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package Centennial CO 80112

Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package Thornton CO 80234

Graphite Edition

New 2025 GMC Sierra 1500 Pro w/ Graphite Edition

New 2025 GMC Sierra 1500 Pro w/ Graphite Edition Littleton CO 80129

Used 2018 GMC Sierra 1500 SLT w/ SLT Premium Package Loveland CO 80537

4-Cylinder Turbo

Used 2021 GMC Sierra 1500 Elevation

Used 2021 GMC Sierra 1500 Elevation Littleton CO 80129

Elevation

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Used 2018 GMC Sierra 1500 Denali

Used 2018 GMC Sierra 1500 Denali Longmont CO 80504

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package

Used 2021 GMC Sierra 1500 SLT w/ SLT Premium Package Littleton CO 80129

SLE Value Package

Used 2018 GMC Sierra 1500 SLE w/ SLE Value Package

Used 2018 GMC Sierra 1500 SLE w/ SLE Value Package Sheridan CO 80110

All Terrain SLT Premium Package

All Terrain Package

Used 2018 GMC Sierra 1500 SLT

Used 2018 GMC Sierra 1500 SLT Dacono CO 80514

Used 2018 GMC Sierra 1500 4x4 Double Cab

Used 2018 GMC Sierra 1500 4x4 Double Cab Littleton CO 80129

4x4 Double Cab

Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package Aurora CO 80012

SLT Crew Cab Premium Plus Package

Used 2018 GMC Sierra 1500 SLT Broomfield CO 80020

Used 2023 GMC Sierra 1500 Elevation

Used 2023 GMC Sierra 1500 Elevation Littleton CO 80129

Texas SLT Premium Package

Used 2018 GMC Sierra 1500 SLT w/ Texas SLT Premium Package

Used 2018 GMC Sierra 1500 SLT w/ Texas SLT Premium Package Lone Tree CO 80124

Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package

Used 2021 GMC Sierra 1500 Elevation w/ X31 Off-Road Package Littleton CO 80129

Used 2018 GMC Sierra 1500 SLT Greeley CO 80634

Used 2020 GMC Sierra 1500 SLE w/ SLE Value Package

Used 2020 GMC Sierra 1500 SLE w/ SLE Value Package Littleton CO 80129

Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package Longmont CO 80504

6-Cylinder

Flexible Fuel

Used 2018 GMC Sierra 1500 SLE w/ SLE Value Package Thornton CO 80233

Denver

Used Cars for Sale

2018

Test drive Used 2018 GMC Sierra 1500 at home in Denver, CO. Search from 16 Used GMC Sierra 1500 cars for sale, including a  2018 GMC Sierra 1500 4x4 Double Cab, a  2018 GMC Sierra 1500 Denali, and a  2018 GMC Sierra 1500 SLE ranging in price from $23,897 to $37,488.

Used 2018 GMC Sierra 1500 for Sale in Denver, CO - Autotrader

Used 2018 GMC Sierra 1500 Denali for Sale

Search from 16 GMC Sierra 1500 for sale, including a Used 2018 GMC Sierra 1500 4x4 Double Cab, a Used 2018 GMC Sierra 1500 Denali, and a Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package ranging in price from $23,897 to $37,488.

Autotrader has 16 GMC Sierra 1500 for sale near Denver, CO, including a Used 2018 GMC Sierra 1500 4x4 Double Cab, a Used 2018 GMC Sierra 1500 Denali, and a Used 2018 GMC Sierra 1500 Denali w/ Denali Ultimate Package ranging in price from $23,897 to $37,488.

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Used 2018 GMC Sierra 1500 for Sale in Denver, CO

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Used 2018 GMC Sierra 1500 4x4 Double Cab

16 Results

Used 2018 GMC Sierra 1500 SLE

Used 2018 GMC Sierra 1500 SLT

Used 2018 GMC Sierra 1500 Denali