Used 2021 GMC Sierra 1500 for Sale near Ontario
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Sponsored by Welland Chevrolet Buick GMC Inc.
CarGurus Analysis:
2021 GMC Sierra 1500
With 533 currently listed for sale and an average price of $56,000.00 CAD, 32.1% of 2021 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2021 GMC Sierra 1500 4.9 / 5 stars.
100.0% of 2021 Sierra models on CarGurus are accident free.
The 2021 GMC Sierra 1500 features a luxurious interior, advanced technology, and exceptional engine performance, making it a strong contender in the full-size pickup market.
CarGurus Analysis: 2021 GMC Sierra 1500
overall
Summary
With 533 currently listed for sale and an average price of $56,000.00 CAD, 32.1% of 2021 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2021 GMC Sierra 1500 4.9 / 5 stars.
100.0% of 2021 Sierra models on CarGurus are accident free.
The 2021 GMC Sierra 1500 features a luxurious interior, advanced technology, and exceptional engine performance, making it a strong contender in the full-size pickup market.
Why it stands out
The 2021 GMC Sierra 1500 distinguishes itself with a blend of luxury and performance, appealing to buyers who seek both comfort and capability in a full-size pickup. Its standout features include an optional Duramax turbodiesel engine that delivers impressive torque and fuel efficiency, making it a practical choice for towing and hauling. The Sierra's interior is designed with high-quality materials, and the availability of advanced technology, such as a large touchscreen infotainment system and multiple camera views, enhances the driving experience. While some users noted minor drawbacks, such as the absence of a key fob and the need for additional packages to access full features, the overall consensus is that the Sierra offers great value for money. The truck's robust construction and 100% accident-free listings further solidify its reputation as a reliable choice in its class.
Other model years to consider
- Average price: $58,000.00 CAD
- Good/great deal percentage: 35.1%
- User rating: 5 / 5
- Total listings: 1,429
- Average price: $54,000.00 CAD
- Good/great deal percentage: 31.4%
- User rating: 5 / 5
- Total listings: 758
- Average price: $57,000.00 CAD
- Good/great deal percentage: 34.5%
- User rating: 4.64 / 5
- Total listings: 1,497
This analysis is based on CarGurus' proprietary market data from July 27, 2026, CarGurus experts' opinions, and generative AI.
5.0 Overall rating
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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
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.
Randy R
Reviewed a 2021 GMC Sierra 1500 on Jun 6, 2023
The features on the 2021 GMC Sierra was everything and more then what I expected. The value of the truck was decent considering the times we live in now. Would highly recommend GMC so far
2021 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| SLE Double Cab 4WD | $44,700 |
| Elevation Double Cab 4WD | $46,400 |
| Crew Cab 4WD | $39,700 |
| SLE Crew Cab 4WD | $47,100 |
| SLT Crew Cab 4WD | $50,800 |
| Denali Crew Cab 4WD | $59,300 |
| AT4 Crew Cab 4WD | $54,700 |
| Elevation Crew Cab 4WD | $49,000 |
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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