Used 2020 GMC Sierra 1500 for Sale near Mississauga, ON
99 results
CarGurus Analysis:
2020 GMC Sierra 1500
With 102 currently listed for sale near Mississauga, ON and an average price of $33,496.00 CAD, 25.5% of 2020 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2020 GMC Sierra 1500 4.28 / 5 stars.
100.0% of 2020 Sierra models on CarGurus are accident free.
The 2020 GMC Sierra 1500 is praised for its spacious interior, advanced technology, and strong performance, making it a popular choice among truck enthusiasts.
CarGurus Analysis: 2020 GMC Sierra 1500
Summary
With 102 currently listed for sale near Mississauga, ON and an average price of $33,496.00 CAD, 25.5% of 2020 GMC Sierras for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2020 GMC Sierra 1500 4.28 / 5 stars.
100.0% of 2020 Sierra models on CarGurus are accident free.
The 2020 GMC Sierra 1500 is praised for its spacious interior, advanced technology, and strong performance, making it a popular choice among truck enthusiasts.
Why it stands out
The 2020 GMC Sierra 1500 distinguishes itself in the competitive full-size pickup truck market with its upscale design and robust performance capabilities. This model is part of the fifth generation, which has been well-received for its reliability and advanced features. Notable improvements include a variety of powerful engine options, including a 2.7-litre turbocharged four-cylinder and a 6.2-litre V8, catering to diverse buyer needs. The Sierra 1500 also offers excellent trailering capabilities and a comfortable ride, making it suitable for both work and leisure. While some users have reported issues with engine performance, the overall satisfaction among owners remains high, highlighting its appeal as a versatile and capable truck.
Other model years to consider
- Average price: $63,618.00 CAD
- Good/great deal percentage: 35.9%
- User rating: 5 / 5
- Total listings: 206
- Average price: $46,554.00 CAD
- Good/great deal percentage: 25.4%
- User rating: 5 / 5
- Total listings: 177
- Average price: $53,683.00 CAD
- Good/great deal percentage: 36.0%
- User rating: 4.64 / 5
- Total listings: 211
This analysis is based on CarGurus' proprietary market data from July 1, 2026, CarGurus experts' opinions, and generative AI.
4.3 Overall rating
Filter by rating
Jeremy S
Reviewed a 2020 GMC Denali Crew Cab 4WD on Nov 23, 2024
Great truck, great value, awesome vehicle accessories package. Highly recommend this truck.
Rodney C
Reviewed a 2020 GMC Sierra 1500 on Jun 30, 2025
Body dented and scratches, former work truck , transmission shutter , definitely abused, four wheel clunks when engaged , not a good value
Deborah E
Reviewed a 2020 GMC Sierra 1500 on Aug 7, 2022
Absolutely stunning vehicle. Pure luxury pick-up truck. Serious power, w/a 6.2L V8 engine; smooth, wonderful ride, lots of driver convenience & safety features; comfortable seating, roomy cab interior....I could go on. GMC has left nothing out of their Sierra Denali line. Beautiful truck - everyone Ive talked to feels the same. Commanding presence on the road. Tops Dodge Ram & Ford models, in my opinion. I have a 2020 model. The 2023 model tops even THAT!!!
Garry R
Reviewed a 2020 GMC Sierra 1500 on Feb 12, 2022
Great design and tecnology. Spacious and smooth ride. Comfortable for passengers and driver. The Denali leaves nothing to be desired.
2020 GMC Sierra 1500 Trims
| Trim type | MSRP |
|---|---|
| Elevation Double Cab 4WD | $43,800 |
| Double Cab 4WD | $36,800 |
| SLT Crew Cab 4WD | $50,400 |
| Crew Cab 4WD | $39,200 |
| AT4 Crew Cab 4WD | $53,700 |
| SLE Crew Cab 4WD | $43,700 |
| Denali Crew Cab 4WD | $58,600 |
| Elevation Crew Cab 4WD | $46,200 |
2020 GMC Sierra 1500 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Sierra 1500 prices has changed over time.
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