Used 2020 BMW M5 for Sale nearSeattle, WA

Is the 2020 BMW M5 a good car?

The 2020 BMW M5 is a strong choice if you want a high-performance luxury sedan that still works as an everyday car. It pairs BMW’s twin-turbo 4.4-liter V8 with an eight-speed automatic transmission and xDrive all-wheel drive, and BMW tuned that system with a rear-wheel power bias for a more playful feel when you want it.

For 2020, it also gained digital instrumentation and standard wireless smartphone charging, which helps modernize the cabin without changing the car’s core mission. The performance numbers are serious, with 600 hp, 553 lb-ft of torque, about 3.3 seconds to 60 mph, and an available 190 mph top speed. It is best suited to you if you want supercar-level speed, modern tech, and all-weather capability in one sedan.

The tradeoff is that it is expensive to buy, maintain, and repair, so it makes the most sense if you are comfortable with premium ownership costs. Market availability is fairly selective, with 28.2% of listings marked as good or great deals.

Is the 2020 BMW M5 reliable?

The 2020 BMW M5 is described as relatively new, with no major reported problem areas or concerns. It also benefits from a straightforward performance formula centered on BMW’s twin-turbo V8, eight-speed automatic transmission, and xDrive all-wheel drive.

That said, it is still a high-performance car, so neglected, abused, or modified examples are best avoided. For a used buyer, the long-term ownership risk is less about a known model-wide flaw and more about the cost and condition sensitivity that come with this kind of hardware.

What should I look for when buying a used 2020 BMW M5?

At 66.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should run a vehicle history report before you get serious about any car, and you should prioritize a pre-purchase inspection on the best-looking examples. Focus on overall condition, signs of hard use, and whether the car appears to have been neglected or modified, since those are the kinds of examples you want to avoid most.

Is now a good time to buy a used 2020 BMW M5?

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find some value if you are patient.

• Deal availability: 28.2% of listings are priced as good or great deals.
• Inventory: There are 117 listings available.
• Clean inventory: 66.7% of listings are accident-free.

Should I buy a 2020 BMW M5 or consider a different year?

If you're weighing the 2020 against nearby model years, here's how to think about it:

Choose the 2020 if:

• 28.2% of listings are priced as good or great deals.
• At 66.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

The bottom line: If you want the strongest mix of modernized cabin features, serious performance, and everyday usability, the 2020 BMW M5 is the primary year to target. If you are more price-sensitive, a nearby year may make sense, but you should still compare condition closely and be selective about history and maintenance.

These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.