Used 2021 BMW M5 for Sale near Illinois

Is the 2021 BMW M5 a good car?

The 2021 BMW M5 stands out as a high-performance luxury sedan that blends serious speed with everyday usability. It adds a refreshed look and a new iDrive infotainment system with a 12.3-inch touchscreen, plus wireless Apple CarPlay and Android Auto, so you get modern tech alongside its performance focus. It also keeps the twin-turbo 4.4-liter V8, eight-speed automatic transmission, and xDrive all-wheel drive, while still allowing a rear-wheel-drive feel when stability control is turned off.

For shoppers who want a fast sedan that can handle bad weather and still feel modern inside, that combination is a major draw. The market also looks reasonably supportive, with 27.8% of listings marked as good or great deals.

Is the 2021 BMW M5 reliable?

The 2021 BMW M5 is described as relatively new with no major reported problem areas or concerns. That makes it a stronger bet than many high-performance used cars, especially if you want serious capability without stepping into a model year that’s known for widespread trouble.

Even so, its high-performance nature means it still rewards careful ownership. For used buyers, the long-term risk is less about a known defect pattern and more about how hard the car was driven and maintained.

What should I look for when buying a used 2021 BMW M5?

At 74.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and confirm whether the car has had any collisions, repairs, or title issues. Then prioritize a pre-purchase inspection, with extra attention on signs of hard use, uneven wear, and any evidence of poor maintenance. Because this is a high-performance sedan, condition matters more than mileage alone.

Is now a good time to buy a used 2021 BMW M5?

This looks like a moderate, selective buyer’s market, so you can be choosy if you’re patient and focused on condition.

• Deal availability: 27.8% of listings are priced as good or great deals.
• Inventory: There are 90 listings available.
• Clean inventory: 74.4% of listings are accident-free.

Should I buy a 2021 BMW M5 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 27.8% of listings are priced as good or great deals.
• At 74.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Consider the 2022 if:

• The M5 CS adds carbon-fiber, track-ready performance and sharper driving character.

The bottom line: If you want the best balance of modern tech, all-weather performance, and everyday usability, the 2021 is the cleaner primary target. If you’re more focused on maximum performance and can stretch for a newer, more extreme version, the 2022 is the better enthusiast play. For price-sensitive buyers, the 2021 remains the more practical path, especially if you can find a well-documented, accident-free example.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.