Used 2021 GMC Sierra 1500 for Sale Nationwide
6,489 results
CarGurus Analysis:
2021 GMC Sierra 1500
With 6,483 currently listed for sale and an average price of $36,098.00, 32.6% of 2021 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 1500 4.9 / 5 stars.
79.9% of 2021 Sierra models on CarGurus are accident free.
The 2021 GMC Sierra 1500 is known for its luxurious features, exceptional engine performance, advanced technology, and comfortable interior, though some minor drawbacks exist like the absence of a key fob for full feature access.
CarGurus Analysis: 2021 GMC Sierra 1500
overall
Summary
With 6,483 currently listed for sale and an average price of $36,098.00, 32.6% of 2021 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Sierra 1500 4.9 / 5 stars.
79.9% of 2021 Sierra models on CarGurus are accident free.
The 2021 GMC Sierra 1500 is known for its luxurious features, exceptional engine performance, advanced technology, and comfortable interior, though some minor drawbacks exist like the absence of a key fob for full feature access.
Why it stands out
The 2021 GMC Sierra 1500 distinguishes itself through its upscale features, strong engine options, and overall comfort—attributes that have garnered high praise from owners. Notably available with a range of powertrains, including a compelling Duramax turbodiesel engine, the Sierra is well-suited for both daily driving and heavy-duty tasks. Its distinct styling, particularly seen in the Denali trim, enhances its appeal, giving buyers a sense of luxury that is often rivaled but seldom matched in the full-size truck segment. Furthermore, with innovative technology offerings like camera-based visibility enhancements and robust infotainment features, it meets the diverse needs of modern truck enthusiasts. However, when compared to some competitors, the interior materials do reflect a more utilitarian approach than expected at its price point, leaving room for improvement in perceived quality.
Other model years to consider
- Average price: $53,464.00
- Good/great deal percentage: 34.0%
- User rating: 5 / 5
- Total listings: 7,949
- Average price: $43,655.00
- Good/great deal percentage: 31.1%
- User rating: 5 / 5
- Total listings: 8,454
- Average price: $51,057.00
- Good/great deal percentage: 32.5%
- User rating: 4.6 / 5
- Total listings: 9,602
This analysis is based on CarGurus' proprietary market data from April 13, 2026, CarGurus experts' opinions, and generative AI.
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Matthew B
Reviewed a 2021 GMC AT4 Crew Cab 4WD on Jan 7, 2025
Best truck I have driven! Highway speeds are great and feels like I’m driving a Cadillac.
Brandon S
Reviewed a 2021 GMC SLT Crew Cab 4WD on Apr 1, 2026
Love the SLT and all the features it has definitely a great value and good driving truck with good suspension and quality
Anonymous
Reviewed a 2021 GMC AT4 Crew Cab 4WD on Jun 20, 2024
When the sales rep said “It has everything but the kitchen sink” I’m pretty sure it has those in it too! This is the most rugged yet luxurious truck I’ve ever ridden in much less owned. I can’t say enough about the features that makes everything from lining up with a trailer hitch to getting warnings via through the seat vibration when getting too close to something when backing up. Heck it even has a forward facing camera that helps up front. Two thumbs all the way around!
Donald P
Reviewed a 2021 GMC Sierra 1500 on Oct 8, 2023
I love everything about this truck, so much I bought one. I got one with the 3liter duramax. Hopefully it’ll be the last truck I’ll ever own.
2021 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| Elevation Crew Cab RWD | $45,700 |
| SLT Crew Cab RWD | $47,500 |
| Elevation Double Cab 4WD | $46,400 |
| SLE Crew Cab 4WD | $47,100 |
| Elevation Crew Cab 4WD | $49,000 |
| Denali Crew Cab 4WD | $59,300 |
| SLT Crew Cab 4WD | $50,800 |
| AT4 Crew Cab 4WD | $54,700 |
2021 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Sierra 1500 prices has changed over time.
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