Used 2021 Mercedes-Benz AMG GT for Sale nearPhiladelphia, PA

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

Prices have held steady compared to this time last year, signaling a stable and predictable market for this model year.

There are 254 listings available, which gives you a modest amount of inventory to compare before you buy.

If you find a listing below $69,967.04, that's toward the low end of the year-round range and worth acting on quickly.

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

Yes — you’re looking at a 5/5 user-rated model with an expert rating of 9/10. The model scores 10/10 across Performance and Safety.

The 2021 Mercedes-Benz AMG GT stands out as a four-passenger, four-door supercar that blends serious performance with luxury and surprising practicality. It’s especially appealing if you want something that feels like multiple vehicles in one, with strong handling and a powerful engine at the center of the experience.

The main trade-offs are clear: all-wheel drive is not available, the ride quality is poor, and a manual transmission is not offered. That makes it best for you if style and performance matter more than everyday softness or drivetrain flexibility.

With 26.0% of listings marked as good or great deals, you have some room to shop selectively.

Is the 2021 Mercedes-Benz AMG GT reliable?

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

The 2021 Mercedes-Benz AMG GT is presented as a highly capable, well-engineered performance car that also brings luxury and practicality into the mix. Its performance hardware is extensive, and the car is described as refined enough for daily use when you want it to be.

The performance setup is built around a hand-built twin-turbocharged 4.0-liter V8, a nine-speed multi-clutch automatic, and a performance-tuned AWD system, which points to a robust and specialized mechanical package. The cost-effectiveness commentary also frames it as a car that delivers a lot of capability and utility for the money if you’re buying into its mission.

If you’re shopping used, the main long-term ownership risk is that this is a complex high-performance machine, so maintenance and repair costs can be more demanding than on a mainstream luxury car.

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

Accident-free inventory is solid at 82.3% — always verify the vehicle history report.

You should still check the history report carefully, because a strong accident-free share doesn’t guarantee the individual car you’re considering has a clean past. Prioritize a pre-purchase inspection that focuses on wear from hard driving, brake condition, suspension behavior, and any signs the car has been used aggressively. You’ll also want to make sure the equipment level matches what you expect, since this model can vary meaningfully by trim and option content.

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 balance of value and capability, the GT 43 or GT 53 is the smarter place to start.
• Powertrain: The lineup includes a hand-built twin-turbocharged 4.0-liter V8 in the higher-output version, paired with a nine-speed multi-clutch automatic and performance-tuned AWD. The car is built for explosive acceleration and serious handling, so you should evaluate whether you really need the top-end output.
• Safety package: A Driver Assistance Package is available and adds no fewer than 14 driver-assist features, including Active Emergency Stop Assist, extended re-start in traffic, Active Lane Change Assist, and Congestion Emergency Braking. The test vehicle did not have this package.
• Infotainment: The MBUX system uses two 12.3-inch display screens, and it includes Apple CarPlay, Android Auto, navigation, satellite radio, wireless connectivity, and a wireless charging pad. It also supports natural voice recognition.
• Fuel efficiency: The car is described as a performance-first machine, and the higher-output version is built around a powerful V8 and AWD rather than efficiency.

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 makes the most sense if you want the AMG GT’s style, luxury, and four-door practicality without chasing the most extreme performance. It still gives you the core character of the car, so it’s the best-value starting point.
• GT 53: This is the trim to target if you want a stronger performance step-up while staying short of the most expensive versions. It should suit you if you want a more serious driving experience without going all the way to the top.
• GT 63: This is for you if you want a major jump in power and performance and are willing to pay for it. It’s the better fit if you want the AMG GT to feel especially urgent and capable.
• GT 63 S: This is the most extreme version, with the highest-output hardware and the most track-focused personality. Choose it only if you want the full flagship experience and can actually use that level of performance.

A Driver Assistance Package is available, and it adds 14 driver-assist features; the test vehicle did not have it.

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

This is a moderate, selective-buyer market, so you can shop carefully without expecting every listing to be a bargain.

• Deal availability: 26.0% of listings are priced as good or great deals.
• Inventory: There are 254 listings available.
• Price trend: Prices have held steady compared with last year.
• Clean inventory: 82.3% of listings are accident-free.

If you find a listing below $69,967.04, 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 $78,318 sits slightly above last year's $78,238.

That small increase suggests the market has been stable rather than volatile, which is helpful if you plan to sell later. A steady price trend can make it easier to estimate your car’s value over time, especially if you keep mileage and condition in check.

Because the model’s pricing has held firm, a well-kept example should remain easier to position against other used listings. Strong demand is also supported by the car’s distinctive mix of performance, luxury, and practicality.

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?

It earns a 10/10 safety score from our experts.

A Driver Assistance Package is available, and it installs no fewer than 14 driver-assist features. Standout functions include Active Emergency Stop Assist, extended re-start in stop-and-go traffic, Active Lane Change Assist, and Congestion Emergency Braking.

The test vehicle did not have this package, so you should check whether a used example includes it if safety tech matters to you. The package is worth seeking out because it adds meaningful assistance features to an already high-performance car.

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:

• 26.0% of listings are priced as good or great deals.
• Accident-free inventory is solid at 82.3% — always verify the vehicle history report.
• Price trend: Prices have held steady compared with last year.
• Owners rate it 5/5 — a strong satisfaction signal.
• Mercedes frames it as a four-door supercar with serious performance and surprising practicality.

Consider the 2020 if:

• At $81,578, the 2020 costs more than the current year's $78,318 average.
• It is a raw, race-car-like sports car built for buyers who want a more demanding, exotic feel.

The bottom line: If you want the stronger value proposition, the 2021 is the better primary choice because pricing is steadier and the model combines performance with real-world usability. If you’re more focused on a dramatic, old-school exotic sports-car feel and don’t mind paying more for it, the 2020 is the alternative to consider.

These recommendations are based on CarGurus' proprietary market data from September 4, 2026, CarGurus experts' opinions, and generative AI.