Used 2021 GMC Sierra 1500 for Sale near Alabama
520 results
CarGurus Analysis:
2021 GMC Sierra 1500
With 6,547 currently listed for sale and an average price of $36,148.00, 27.0% 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.
79.6% of 2021 GMC Sierra 1500 models on CarGurus are accident free.
The 2021 GMC Sierra 1500 features multiple powertrain options and advanced camera-based technology, making it a versatile choice for various buyers.
CarGurus Analysis: 2021 GMC Sierra 1500
overall
Summary
With 6,547 currently listed for sale and an average price of $36,148.00, 27.0% 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.
79.6% of 2021 GMC Sierra 1500 models on CarGurus are accident free.
The 2021 GMC Sierra 1500 features multiple powertrain options and advanced camera-based technology, making it a versatile choice for various buyers.
Why it stands out
The 2021 GMC Sierra 1500 distinguishes itself in the competitive full-size pickup market largely due to its diverse range of configurations, appealing luxury features, and solid performance. It offers an impressive optional Duramax turbodiesel engine that provides both efficiency and robust towing capabilities. While the Sierra shares its platform with the Chevrolet Silverado 1500, it differentiates itself through unique styling, such as the upscale Denali trim and the innovative carbon-fiber composite cargo bed. This year, the model emphasizes user-friendly technology, including an 8-inch touchscreen with wireless Apple CarPlay and Android Auto, enhancing the driving experience. Potential buyers will appreciate its spacious and comfortable interior and the numerous off-road options available in trims like the AT4. Although some interior materials can feel less premium, the truck offers an excellent overall value for those seeking a capable and stylish full-size pickup.
Other model years to consider
- Average price: $53,344.00
- Good/great deal percentage: 28.2%
- User rating: 5 / 5
- Total listings: 8,147
- Average price: $43,614.00
- Good/great deal percentage: 27.0%
- User rating: 5 / 5
- Total listings: 8,627
- Average price: $51,076.00
- Good/great deal percentage: 27.9%
- User rating: 4.6 / 5
- Total listings: 9,646
This analysis is based on CarGurus' proprietary market data from April 20, 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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