Used 2021 GMC Yukon XL for Sale Nationwide

## Summary - With 1,535 currently listed for sale on CarGurus and an **average price of $43,850.00**, 32.6% of 2021 GMC Yukon XLs for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 GMC Yukon XL 4.8 / 5 stars. - **77.5% of 2021 Yukon XL models on CarGurus are accident free**. - The 2021 GMC Yukon XL boasts a spacious interior, advanced technology, and multiple powertrain options, including a fuel-efficient diesel engine. ## Why it stands out The 2021 GMC Yukon XL stands out in the large SUV market for its enhanced passenger and cargo space, owing to its longer wheelbase compared to the standard Yukon. Notable improvements include an independent rear suspension which greatly enhances ride comfort and handling. The available 3.0L Duramax turbo-diesel engine represents a significant upgrade for buyers looking for fuel efficiency without sacrificing power. Furthermore, generous technical features such as advanced driver assistance systems and a user-friendly infotainment system with wireless connectivity elevate the driving experience. Despite the size, its nimble handling and spacious third-row seating make it appealing for families and road trips. ## Other model years to consider - **[2023 GMC Yukon XL](https://www.cargurus.com/Cars/l-Used-2023-GMC-Yukon-XL-c32387)** - Average price: $58,998.00 - Good/great deal percentage: 36.3% - User rating: 4.88 / 5 - Total listings: 2,139 - **[2022 GMC Yukon XL](https://www.cargurus.com/Cars/l-Used-2022-GMC-Yukon-XL-c31965)** - Average price: $48,719.00 - Good/great deal percentage: 34.0% - User rating: 5 / 5 - Total listings: 2,165 - **[2020 GMC Yukon XL](https://www.cargurus.com/Cars/l-Used-2020-GMC-Yukon-XL-c29248)** - Average price: $30,047.00 - Good/great deal percentage: 34.2% - User rating: 5 / 5 - Total listings: 1,402 This analysis is based on CarGurus' proprietary market data from February 10, 2026, CarGurus experts' opinions, and generative AI.