2025 Audi RS 6 vs 2026 Mercedes-Benz Amg Gt

$126,600 · Wagon

$102,100 · Wagon

Comparison Overview

The 2025 Audi RS 6 grabs attention immediately with its staggering 621 hp and 627 lb-ft of torque, delivering blistering performance wrapped in a stealthy wagon body; it's an all-wheel-drive German missile boasting a 196.7-inch length. Conversely, the 2026 Mercedes-Benz AMG GT targets efficiency and surprising capability with 362 hp, achieving a respectable 21 MPG combined versus the Audi's 17 MPG. While the RS 6 offers superior utility with 30 cu ft of cargo space compared to the AMG GT’s 16.1 cu ft, the Mercedes undercuts the Audi significantly with an MSRP of $102,100 versus $126,600. This comparison pits raw, high-output engineering against sensible, albeit premium, daily usability.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz Amg Gt

The 2026 Mercedes-Benz AMG GT wins for commuters due to its better fuel economy, achieving 21 MPG combined versus the RS 6's 17 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Audi RS 6

The 2025 Audi RS 6 is the superior family hauler, offering significantly more storage with 30 cu ft of cargo capacity compared to 16.1 cu ft.

🏎️ Best for Enthusiasts

2025 Audi RS 6

The 2025 Audi RS 6 is the clear choice for driving enthusiasts, flexing 621 hp and 627 lb-ft of torque—a massive advantage over the AMG GT's output.

💰 Best Value

2026 Mercedes-Benz Amg Gt

The 2026 Mercedes-Benz AMG GT provides better overall value by saving $24,500 on the initial purchase price.

Choose the Audi RS 6 if...

You demand uncompromising speed and power, benefiting from the 621 hp output.
You need maximum utility, capitalizing on the generous 30 cu ft of cargo capacity.
You appreciate a more potent powertrain featuring 627 lb-ft of torque.

Choose the Mercedes-Benz Amg Gt if...

Budget is a primary concern, saving $24,500 from the starting MSRP of $102,100.
Daily driving efficiency matters, leveraging the 4 MPG advantage in combined mileage.
You prefer a slightly longer vehicle stature at 199.0 inches versus the RS 6’s 196.7 inches.

Key Dimensions

Dimension	Audi RS 6	Mercedes-Benz Amg Gt
Length	196.7"	199.0"
Width	76.8"	76.9"
Height	58.6"	57.3"
Wheelbase	115.3"	116.2"

Features Comparison

Safety

Feature	Audi	Mercedes-Benz
Lane Departure Warning	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front Side-Mounted Airbags	✓	✓
Dual Rear Side-Mounted Airbags	✓	—
Front Head Airbags	✓	✓
Rear Head Airbags	✓	✓
Passenger Airbag Occupant Sensing Deactivation	✓	✓
Electronic Stability Control	✓	✓
Traction Control System	✓	✓
LATCH System	✓	✓
Rear Door Child Safety Locks	✓	✓
Anti-lock Brakes (ABS)	4-Wheel	4-Wheel
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
Headlight Washers	✓	—
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Integrated Headrests	✓	—
Rear Headrests	3	2
Rear Height Adjustable Headrests	✓	—
Rear Center 3-Point Seatbelt	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Blind Spot Monitor	—	✓
Rear Cross Traffic Alert	—	✓
Driver Attention Alert	—	✓
Brake Drying	—	✓
Brake Preparation System	—	✓
Adaptive Headlights	—	✓
Front Power Adjustable Headrests	—	✓
Rear Integrated Headrests	—	✓

Engine

Feature	Audi	Mercedes-Benz
Base Engine Displacement	4.0 L	3.0 L
Number of Cylinders	V8	inline 6
Base Engine Type	mild hybrid	mild hybrid
Horsepower	621 hp	362 hp @ 5500 rpm
Torque	627 lb-ft	369 lb-ft @ 1800 rpm
Number of Valves	32	24
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Audi	Mercedes-Benz
Transmission Type	8-speed shiftable automatic	9-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Audi	Mercedes-Benz
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	14/21 MPG	19/24 MPG
EPA Fuel Economy (Combined)	17 MPG	21 MPG
EPA Driving Range (City/Highway)	270.2/405.3 mi.	400.9/506.4 mi.
Fuel Tank Capacity	19.3 gal.	21.1 gal.

Comfort & Convenience

Feature	Audi	Mercedes-Benz
Push Button Start	✓	✓
Power Tilt and Telescopic Steering Wheel	✓	✓
Transmission Controls on Steering Wheel	✓	✓
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Front View Camera	✓	✓
Side View Camera	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	✓
Wireless Charging Pad	✓	✓
Cruise Control	✓	✓
Universal Remote Transmitter	✓	✓
Front Cupholders	✓	✓
Rear Cupholders	✓	✓
Front Door Pockets	✓	✓
Rear Door Pockets	✓	✓
Front Seatback Storage	✓	✓
Leather Steering Wheel	✓	✓
Heated Steering Wheel	✓	—
Four Zone Climate Control	✓	—
Rear Ventilation Ducts with Fan Control	✓	—
Interior Air Filtration	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cruise Control on Steering Wheel	—	✓
Automatic Parking Assist	—	✓
Dual Zone Climate Control	—	✓
Rear Ventilation Ducts	—	✓
Sun Sensor	—	✓

In Car Entertainment

Feature	Audi	Mercedes-Benz
Infotainment Display	10.1 in	12.3 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Surround Audio	Discrete	Discrete
Android Auto (Wireless)	✓	✓
Apple CarPlay (Wireless)	✓	✓
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	3 months	6 months
Premium Brand Stereo System	—	Burmester
Premium Speaker Brand	—	Burmester
Stereo Power	—	640W
Speaker System	—	14
Speed Sensitive Volume Control	—	✓

Power Feature

Feature	Audi	Mercedes-Benz
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass
Keyless Entry	✓	✓
Heated Mirrors	✓	✓

Frontseats

Feature	Audi	Mercedes-Benz
Front Head Room	38.3 in.	40.8 in.
Front Leg Room	41.3 in.	41.7 in.
Front Shoulder Room	57.8 in.	57.8 in.
Seat Material: Premium Leather	✓	—
Front Seat Type: Sport	✓	—
Driver Seat Power Adjustments	10-way	10-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	3
Passenger Seat Power Adjustments	10-way	10-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	✓	—
Passenger Seat Ventilation	✓	—
Seat Material: Leatherette/Sueded Microfiber	—	✓
Front Seat Type: Bucket	—	✓
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	3

Rearseats

Feature	Audi	Mercedes-Benz
Rear Head Room	39.5 in.	38.2 in.
Rear Leg Room	37.4 in.	—
Rear Shoulder Room	56.5 in.	57.2 in.
Split-Folding Rear Seatback	✓	—
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—

Tires and Wheels

Feature	Audi	Mercedes-Benz
Wheel Material	Alloy	Alloy
Wheel Size	21 in	19 x 11.0 in.
Tire Type	Performance	Performance
Tire Size	275/35R21	285/40R19

Suspension

Feature	Audi	Mercedes-Benz
Four-Wheel Independent Suspension	✓	✓
Front Stabilizer Bar	✓	✓
Rear Stabilizer Bar	✓	✓

Warranty

Feature	Audi	Mercedes-Benz
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Corrosion/Rust Warranty	12 yr./ unlimited mi.	4 yr./ 50000 mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi RS 6 and 2026 Mercedes-Benz Amg Gt.

What is the major performance difference between the 2025 Audi RS 6 and the 2026 Mercedes-Benz AMG GT?

The performance gulf is substantial; the Audi RS 6 commands 621 hp and 627 lb-ft of torque, while the Mercedes-Benz AMG GT produces a much lower 362 hp and 369 lb-ft of torque.

How does the cargo space compare for owners needing utility?

The Audi RS 6 is far more practical for cargo, offering 30 cu ft versus the AMG GT's 16.1 cu ft, making the Audi a much better fit for hauling gear or large shopping trips.

Which wagon offers better fuel economy for daily commuting?

The 2026 AMG GT is significantly more efficient, achieving 21 MPG combined (19 city/24 highway) compared to the high-performance RS 6 which manages only 17 MPG combined (14 city/21 highway).

Is the $24,500 price difference justified by the Audi's performance advantage?

That depends on priorities; the Audi costs $126,600, demanding a $24,500 premium over the AMG GT's $102,100, but that premium buys you 259 more horsepower.

Do both vehicles use the same drive system?

Yes, both the 2025 Audi RS 6 and the 2026 Mercedes-Benz AMG GT are equipped with all-wheel drive, ensuring capability in varied conditions.

What about the transmissions, do they impact the driving feel?

The AMG GT utilizes a 9-speed automatic for potentially quicker shifting, whereas the RS 6 is paired with an 8-speed shiftable automatic transmission.