Used 2021 Mercedes-Benz AMG GT for Sale nearStamford, CT

How much does the 2021 Mercedes-Benz AMG GT cost?

Prices have softened 2.65% compared to this time last year, making it a favorable time to shop this model year.

There are 263 listings available, which gives you a modest amount of inventory to compare before you buy.

Is the 2021 Mercedes-Benz AMG GT a good car?

Yes — the 2021 Mercedes-Benz AMG GT earns a 5/5 user rating and a 9/10 expert rating. The model scores 10/10 across Performance and Safety.

It stands out as a four-passenger, four-door supercar that blends high performance with luxury and surprising practicality. That makes it a strong fit if you want a car that feels exciting and capable without giving up everyday usability.

The main trade-offs are that all-wheel drive is not available, the ride quality is poor, and a manual transmission is not offered. Even so, the car’s fun-to-drive character and strong handling make those compromises easier to accept if performance is your priority.

Only 27.4% of listings are priced as good or great deals, so the market still rewards shoppers who move carefully.

Is the 2021 Mercedes-Benz AMG GT reliable?

Owners rate it 5/5, a strong signal of long-term satisfaction.

The AMG GT is presented as a high-performance car that also delivers luxury and practicality, which suggests it is built to do more than just chase lap times. Its performance hardware is extensive, and the car is described as easy to drive in everyday use when you dial it back from its most aggressive settings.

The cost-effectiveness commentary also points to a car that can serve multiple purposes, which can help ownership feel worthwhile over time. For used buyers, the main long-term risk is that a complex, high-performance machine like this can be expensive to keep in top condition if it has been neglected.

What should I look for when buying a used 2021 Mercedes-Benz AMG GT?

Accident-free inventory is solid at 83.7% — always verify the vehicle history report.

You should still check the history report carefully, because a clean listing percentage does not replace a proper paper trail. Prioritize a pre-purchase inspection that focuses on wear, maintenance records, and signs of hard use, especially if the car has been driven aggressively or modified.

Key things to evaluate:

• Trim level: The GT 43, GT 53, GT 63, and GT 63 S each bring substantial increases in power and performance, and the base setup still emphasizes style, luxury, and practicality. If you want the best value, the GT 43 or GT 53 are the more sensible choices.
• Powertrain: The lineup ranges from the slower GT 43 to the GT 63 S, which uses a hand-built twin-turbocharged 4.0-liter V8 with 630 horsepower and 664 pound-feet of torque. The car uses a nine-speed multi-clutch automatic transmission, and all versions are AWD.
• Safety package: A Driver Assistance Package is available and adds no fewer than 14 driver-assist features, including adaptive cruise control, lane-centering assistance, Active Emergency Stop Assist, Active Lane Change Assist, extended re-start functionality, and Congestion Emergency Braking. It is not standard.
• Infotainment: The MBUX system uses two 12.3-inch display screens under one piece of glass and includes Apple CarPlay, Android Auto, satellite radio, navigation, Mercedes Me connected services, near-field communications, and a wireless charging pad.
• Fuel efficiency: No fuel-economy figure is stated in the available data.

Which 2021 Mercedes-Benz AMG GT trim should I buy?

The 2021 Mercedes-Benz AMG GT is offered in 4 trim levels: GT 43, GT 53, GT 63, GT 63 S.

Here's the short version:

• GT 43: This is the entry point, and it gives you the AMG GT’s style, four-door practicality, and performance-first character at the lowest rung of the lineup. It is the trim to consider if you want the experience without chasing the highest output.
• GT 53: This is the best-value choice for many shoppers because it sits above the base trim while still making the car feel properly special. It should suit you if you want a stronger performance step without jumping all the way to the most extreme versions.
• GT 63: This trim is for you if you want a major performance upgrade and are willing to pay for it. It moves the car deeper into supercar territory while preserving the GT’s luxury and everyday usability.
• GT 63 S: This is the top-performance choice, with the hand-built twin-turbo V8 and the most extreme acceleration and track-ready hardware. Buy this only if you truly want the most powerful version and can justify the cost.

A Driver Assistance Package is available, but it is optional rather than standard.

Is now a good time to buy a used 2021 Mercedes-Benz AMG GT?

This is a moderate market for selective buyers, so you should shop carefully and be ready to act when the right listing appears.

• Deal availability: 27.4% of listings are priced as good or great deals.
• Inventory: There are 263 listings available.
• Price trend: Prices have softened 2.65% compared with last year.
• Clean inventory: 83.7% of listings are accident-free.

If you find a listing below $69,964, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Mercedes-Benz AMG GT's resale value?

The current average of $74,412 sits slightly below last year's $76,439.

That softer pricing suggests the market has eased a bit, which can help you buy more confidently now. For a future seller, it also means you should expect resale value to depend heavily on condition, mileage, and how well the car has been maintained.

Because this model is positioned as a rare, high-performance luxury car, well-kept examples should continue to attract attention from shoppers who want something distinctive. Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Mercedes-Benz AMG GT safe?

The 2021 Mercedes-Benz AMG GT earns a 10/10 safety score from our experts.

A Driver Assistance Package is available, and it adds no fewer than 14 driver-assist features. Standout items include adaptive cruise control, lane-centering assistance, Active Emergency Stop Assist, Active Lane Change Assist, extended re-start functionality in stop-and-go traffic, and Congestion Emergency Braking.

The package is optional, so you should confirm whether a used example has it before you buy. If safety tech matters to you, that option is worth prioritizing.

Should I buy a 2021 Mercedes-Benz AMG GT 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:

• 27.4% of listings are priced as good or great deals.
• Accident-free inventory is solid at 83.7% — always verify the vehicle history report.
• Price trend: Prices have softened 2.65% compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• It combines four-door practicality with supercar-level performance and luxury.

Consider the 2020 if:

• At $82,615, the 2020 costs more than the current year's $74,412 average.
• It is a raw, razor-sharp exotic that demands respect.

The bottom line: If you want the better value and the more usable version of this formula, the 2021 is the smarter pick. If your priority is a more intense, old-school exotic character and you are willing to pay more for it, the 2020 may still appeal.

These recommendations are based on CarGurus' proprietary market data from October 13, 2026, CarGurus experts' opinions, and generative AI.