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2021 GMC Sierra - 5th Gen

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Showing 24 of 45 related listings

2021 GMC Sierra 2500HD Denali

Modified
6865 mi 82k mi
Manual transmission Automatic
LHD steering LHD
For Sale
$54,661
Beaverton Nissan
verified
verified Verified Seller
Jan 17, 2026
2021 GMC Sierra 3500 Denali
Marietta, Georgia, USA

2021 GMC Sierra 3500 Denali

Modified
6865 mi 110k mi
Manual transmission Automatic
LHD steering LHD
For Sale
$53,400
Jan 10, 2026

2021 GMC Sierra 2500 AT4

Modified
6865 mi 16k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$69,995
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Dec 20, 2025

2021 GMC Sierra 1500 AT4

Custom
6865 mi 49k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$43,995
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Unlimited Motors
verified
verified Verified Seller
Nov 13, 2025

2021 GMC Sierra 3500HD Denali

Modified
6865 mi 43k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$66,487
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Gladstone Mitsubishi
verified
verified Verified Seller
Nov 10, 2025

2021 GMC Sierra 3500HD Denali

Modified
6865 mi 71k mi
Manual transmission Automatic
LHD steering LHD
Not Sold
$42,500
info
Highest Bid
Oct 24, 2025
2021 GMC Sierra 2500HD Denali
Marietta, Georgia, USA

2021 GMC Sierra 2500HD Denali

Modified
6865 mi 44k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$59,800
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Oct 21, 2025
2021 GMC Sierra 2500 HD AT4
Marietta, Georgia, USA

2021 GMC Sierra 2500 HD AT4

Modified
6865 mi 85k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$58,800
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Sep 23, 2025
2021 GMC Sierra 1500 Denali Ultimate Hennessey HPE640
Aurora, Illinois, USA

2021 GMC Sierra 1500 Denali Ultimate Hennessey HPE640

Modified
6865 mi 69k mi
Manual transmission Automatic
LHD steering LHD
Not Sold
$43,250
info
Highest Bid
Jul 7, 2025

2021 GMC Sierra 1500 Harley-Davidson Edition Pickup

Modified
6865 mi 18k mi
Manual transmission Automatic
LHD steering LHD
Sold
$71,500
Apr 25, 2025

2021 GMC Sierra 2500HD Denali

Modified
6865 mi 54k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$61,947
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Exotic Motorsports of Oklahoma
verified
verified Verified Seller
Apr 24, 2025
2021 GMC Sierra 2500HD Denali 4X4
CAN

2021 GMC Sierra 2500HD Denali 4X4

Original & Highly Original
6865 mi 135k mi
Manual transmission Automatic
LHD steering LHD
Not Sold
$32,500
info
Highest Bid
Feb 27, 2025

2021 GMC Sierra 2500 AT4

Modified
6865 mi 43k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$65,921
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Feb 19, 2025
2021 GMC Sierra 1500 AT4
Westfield, IN, USA
78

2021 GMC Sierra 1500 AT4

Original & Highly Original
6865 mi 59k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$40,900
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Unlimited Motors
verified
verified Verified Seller
Feb 18, 2025

2021 GMC Sierra 2500HD AT4

Original & Highly Original
6865 mi 58k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$62,990
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Earth MotorCars
verified
verified Verified Seller
Jan 10, 2025

2021 GMC Sierra 1500 Denali

Original & Highly Original
6865 mi 72k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$40,900
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Jan 8, 2025

2021 GMC Sierra 1500 Denali

Original & Highly Original
6865 mi 57k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$45,900
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Dec 9, 2024

2021 GMC Sierra 1500 AT4

Original & Highly Original
6865 mi 36k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$49,900
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
High Octane Classics
verified
verified Verified Seller
Oct 24, 2024

2021 GMC Sierra 3500HD Denali Crew Cab

Modified
6865 mi 14k mi
Manual transmission Automatic
LHD steering LHD
Price Undisclosed
Avant Garde Collection
verified
verified Verified Seller
Oct 10, 2024

2021 GMC Sierra 3500HD Denali Crew Cab

Modified
6865 mi 14k mi
Manual transmission Automatic
LHD steering LHD
Sold
$72,500
Oct 7, 2024

2021 GMC Sierra 2500HD Denali Crew Cab

Original & Highly Original
6865 mi 26k mi
Manual transmission Automatic
LHD steering LHD
Sold
$57,000
Oct 4, 2024

2021 GMC Sierra 1500 SLT

Original & Highly Original
6865 mi 24k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$42,995
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Sep 26, 2024

2021 GMC Sierra 1500 SLT Crew Cab 4WD

Original & Highly Original
6865 mi 20k mi
Manual transmission Automatic
LHD steering LHD
Sold
$40,500
Jul 2, 2024

2021 GMC Sierra 1500 Denali

Original & Highly Original
6865 mi 18k mi
Manual transmission Automatic
LHD steering LHD
Last Asking
$54,991
info
This listing was either sold, or removed, by the seller. The last asking price is the last price detected by Classic.com.
Ferrari of Naples
verified
verified Verified Seller
May 3, 2024

Taxonomy

Markets related to the GMC Sierra - 5th Gen.

GMC Sierra
commute 1st Gen
directions_car C1500
directions_car C2500
directions_car C3500
directions_car K1500
directions_car K2500
directions_car K3500
commute 2nd Gen
directions_car 2500
directions_car 1500
directions_car 1500HD
directions_car 2500HD
directions_car 3500
directions_car 3rd Gen
directions_car 4th Gen
directions_car 5th Gen