Used 2021 Mercedes-Benz GLS for Sale Nationwide
63 results
CarGurus Analysis:
2021 Mercedes-Benz GLS
With 63 currently listed for sale and an average price of $70,543.00 CAD, 34.9% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
100.0% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS-Class brings a new level of luxury to full-size SUVs, featuring three rows of spacious seating, advanced technology, and impressive performance capabilities.
CarGurus Analysis: 2021 Mercedes-Benz GLS
overall
Summary
With 63 currently listed for sale and an average price of $70,543.00 CAD, 34.9% of 2021 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals.
Favourably reviewed: Owners rated the 2021 Mercedes-Benz GLS 4.67 / 5 stars.
100.0% of 2021 GLS models on CarGurus are accident free.
The 2021 Mercedes-Benz GLS-Class brings a new level of luxury to full-size SUVs, featuring three rows of spacious seating, advanced technology, and impressive performance capabilities.
Why it stands out
The 2021 Mercedes-Benz GLS is often regarded as the S-Class of SUVs, a designation that reflects its unwavering commitment to luxury and comfort. With spacious three-row seating for up to seven occupants and an emphasis on high-quality materials, the GLS creates an inviting atmosphere, making it an ideal choice for families or those who value comfort during long journeys. The model comes standard with advanced features such as the MBUX infotainment system and driver-assistance technologies, enhancing both usability and safety.
Under the hood, buyers can choose among several potent engine options, including a robust twin-turbocharged V8 available in the GLS 580 and the AMG GLS 63 performance variant, allowing for exhilarating acceleration and superb handling. The GLS also offers impressive off-road capabilities with adjustable air suspension, further reinforcing its appeal as a luxury SUV that doesn't compromise on performance. While it sits at a premium price point that can rival competitors like the Cadillac Escalade and BMW X7, its blend of luxury, capability, and cutting-edge technology makes the GLS a standout choice in the full-size SUV segment.
Other model years to consider
- Average price: $56,472.00 CAD
- Good/great deal percentage: 37.0%
- User rating: 5 / 5
- Total listings: 54
- Average price: $37,419.00 CAD
- Good/great deal percentage: 45.3%
- User rating: 4.8 / 5
- Total listings: 53
- Average price: $102,817.00 CAD
- Good/great deal percentage: 25.5%
- User rating: 5 / 5
- Total listings: 51
This analysis is based on CarGurus' proprietary market data from June 22, 2026, CarGurus experts' opinions, and generative AI.
4.7 Overall rating
Filter by rating
Wilber R
Reviewed a 2021 Mercedes-Benz GLS on Sep 4, 2024
Excellent car, very good finish full of attributes, spacious.
James C
Reviewed a 2021 Mercedes-Benz GLS on Dec 22, 2022
I feel that the features listed for this vehicle is good. I just didnt see one option that would have made me buy the vehicle fast. I did not see the multi contour massage feature. I wished that it would have been made clear on the listing.
Michelle A
Reviewed a 2021 Mercedes-Benz 450 4MATIC on Apr 8, 2023
Very nice ride, drives so well and well built. I love it so far!!
2021 Mercedes-Benz GLS Trims
| Trim type | MSRP |
|---|---|
| 450 4MATIC | $76,000 |
| AMG GLS 63 4MATIC AWD | $132,100 |
| 580 4MATIC | $98,850 |
| 600 Mercedes-Maybach 4MATIC | $160,500 |
2021 Mercedes-Benz GLS Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 Mercedes-Benz GLS prices has changed over time.
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