Used 2020 Mercedes-Benz GLS for Sale near Dallas, TX

## Summary - With 757 currently listed for sale on CarGurus and an **average price of $35,671.00**, 31.7% of 2020 Mercedes-Benz GLS models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2020 Mercedes-Benz GLS 4.83 / 5 stars. - **75.3% of 2020 GLS models on CarGurus are accident free**. - The 2020 Mercedes-Benz GLS is recognized for its roomy interior, offering three rows of seating and up to 94 cubic feet of cargo space, blending the luxury of the S-Class with family-friendly functionality. ## Why it stands out The 2020 Mercedes-Benz GLS stands out in the luxury SUV market with its exceptional combination of space, comfort, and performance. This model year marks the beginning of the second generation of GLS vehicles, introducing a more modern design and advanced technological features. With a powerful six-cylinder engine producing 362 horsepower and equipped with Airmatic air suspension that enhances driving comfort, the GLS provides an enjoyable ride on various terrains. Owners commend its premium interior materials and user-friendly technology, making it a top choice for families seeking luxury and practicality. Despite some drawbacks, such as third-row access and the AMG Line Package's impact on entry/exit, the 2020 model remains appealing for buyers looking for a spacious and sophisticated vehicle. ## Other model years to consider - **[2021 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2021-Mercedes-Benz-GLS-c29893)** - Average price: $53,999.00 - Good/great deal percentage: 35.6% - User rating: 4.93 / 5 - Total listings: 890 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,738.00 - Good/great deal percentage: 35.7% - User rating: 5 / 5 - Total listings: 995 - **[2023 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2023-Mercedes-Benz-GLS-c32328)** - Average price: $69,986.00 - Good/great deal percentage: 34.7% - User rating: 4 / 5 - Total listings: 1,195 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.