Used 2021 BMW X3 for Sale near Portland, ME

## Summary - With 2,151 currently listed for sale on CarGurus and an **average price of $24,888.00**, 31.1% of 2021 BMW X3 models for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 BMW X3 4.71 / 5 stars and CarGurus experts gave it an 7.5 / 10. - **81.3% of 2021 X3 models on CarGurus are accident free**. - The 2021 BMW X3 is one of the cornerstones of the luxury compact SUV market, known for its spacious interior, solid driving dynamics, and a wealth of technology upgrades, making it an appealing choice for buyers seeking comfort and performance. ## Why it stands out The 2021 BMW X3 distinguishes itself with its blend of comfort and capability, appealing to drivers who value both a spirited driving experience and luxury. This model year enhances its appeal by including more standard safety features and cutting-edge technology updates, positioning it well in the competitive luxury compact SUV segment. Drivers have highlighted features such as its impressively comfortable seating and strong engine performance. However, some users expressed a desire for improved interior storage and the addition of certain tech options that are offered by competing brands. The driving dynamics are further complemented by multiple powertrain options, including a responsive turbocharged four-cylinder and a high-performance inline-six available in the M40i trim. Overall, the 2021 BMW X3 delivers a compelling combination of style, performance, and practicality. ## Other model years to consider - **[2024 BMW X3](https://www.cargurus.com/Cars/l-Used-2024-BMW-X3-c32998)** - Average price: $38,255.00 - Good/great deal percentage: 25.3% - User rating: 5 / 5 - Total listings: 4,106 - **[2022 BMW X3](https://www.cargurus.com/Cars/l-Used-2022-BMW-X3-c31567)** - Average price: $29,815.00 - Good/great deal percentage: 28.2% - User rating: 4.75 / 5 - Total listings: 3,022 - **[2020 BMW X3](https://www.cargurus.com/Cars/l-Used-2020-BMW-X3-c29618)** - Average price: $21,494.00 - Good/great deal percentage: 32.0% - User rating: 4.8 / 5 - Total listings: 2,250 This analysis is based on CarGurus' proprietary market data from February 16, 2026, CarGurus experts' opinions, and generative AI.