2025 Mercedes-Benz Amg Gt vs 2026 Audi RS 6

$101,100 · Wagon

$130,700 · Wagon

Comparison Overview

The most significant numerical disparity between the 2025 Mercedes-Benz AMG GT (Car 1) and the 2026 Audi RS 6 (Car 2) is the $29,600 MSRP difference, with the Audi starting at $130,700 versus the Mercedes' $101,100. This price gulf reflects a substantial performance gap: the Audi boasts 621 hp and 627 lb-ft of torque, dwarfing the AMG GT's 362 hp and 369 lb-ft. While both offer AWD, efficiency varies, with Car 1 achieving a combined 21 MPG compared to Car 2's 16 MPG. Dimensions are similar, though the Audi is slightly shorter at 196.7 inches versus 199.0 inches. Conversely, the Audi provides significantly greater utility, offering 29.9 cu ft of cargo capacity against Car 1's 16.1 cu ft, despite the Mercedes being labeled a wagon.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Mercedes-Benz Amg Gt

The AMG GT's superior combined MPG of 21 versus the RS 6's 16 makes it the more economical choice for daily driving.

👨‍👩‍👧‍👦 Best for Families

2026 Audi RS 6

The Audi RS 6 offers nearly double the utility with 29.9 cu ft of cargo capacity compared to the Mercedes' 16.1 cu ft.

🏎️ Best for Enthusiasts

2026 Audi RS 6

The 2026 Audi RS 6 decisively wins enthusiast metrics with 621 hp and 627 lb-ft of torque.

💰 Best Value

2025 Mercedes-Benz Amg Gt

Car 1 delivers acceptable performance (362 hp) for a $29,600 lower entry price than Car 2.

Choose the Mercedes-Benz Amg Gt if...

Your budget requires staying under the $105,000 mark, as Car 1 has an MSRP of $101,100.
Fuel economy is a priority, given its 21 MPG combined rating surpasses the competitor's 16 MPG.
You prefer the slightly greater length of 199.0 inches for potential front overhang.

Choose the Audi RS 6 if...

Maximum verifiable power output is essential, as the RS 6 produces 621 hp.
You require maximum cargo space, with the RS 6 offering 29.9 cu ft versus 16.1 cu ft.
You desire the vehicle with higher torque figures (627 lb-ft) for aggressive acceleration.

Key Dimensions

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

Features Comparison

Safety

Feature	Mercedes-Benz	Audi
Blind Spot Monitor	✓	—
Rear Cross Traffic Alert	✓	—
Driver Attention Alert	✓	—
Pre-Collision Safety System	✓	✓
Post-Collision Safety System	✓	✓
Dual Front 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
Brake Drying	✓	—
Front Ventilated Disc Brakes	✓	✓
Rear Ventilated Disc Brakes	✓	✓
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	✓
LED Headlights	✓	✓
Adaptive Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	2	3
Rear Integrated Headrests	✓	—
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Departure Warning	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Headlight Washers	—	✓
Front Integrated Headrests	—	✓
Rear Fixed Headrests	—	✓
Rear Center 3-Point Seatbelt	—	✓

Engine

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

Drive Train

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

Fuel

Feature	Mercedes-Benz	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	19/24 MPG	14/21 MPG
EPA Fuel Economy (Combined)	21 MPG	16 MPG
EPA Driving Range (City/Highway)	400.9/506.4 mi.	270.2/405.3 mi.
Fuel Tank Capacity	21.1 gal.	19.3 gal.

Comfort & Convenience

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

In Car Entertainment

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

Power Feature

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

Frontseats

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

Rearseats

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

Tires and Wheels

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

Suspension

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

Warranty

Feature	Mercedes-Benz	Audi
Basic Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Drivetrain Warranty	4 yr./ 50000 mi.	4 yr./ 50000 mi.
Hybrid Component Warranty	6 yr./ 62000 mi.	—
Corrosion/Rust Warranty	4 yr./ 50000 mi.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ 50000 mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 30000 mi.

Frequently Asked Questions

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

What is the performance hierarchy based on engine output?

The 2026 Audi RS 6 establishes a clear hierarchy with 621 hp and 627 lb-ft of torque, significantly outperforming the 2025 Mercedes-Benz AMG GT, which is rated at 362 hp and 369 lb-ft.

How does the difference in fuel economy affect ownership costs?

The Mercedes AMG GT achieves 21 MPG combined while the Audi RS 6 achieves 16 MPG combined; this 5 MPG advantage means the AMG GT will incur substantially lower lifetime fuel expenditures, especially given both require premium fuel.

Despite both being listed as wagons, which car offers more utility?

The 2026 Audi RS 6 provides far superior utility with 29.9 cu ft of cargo capacity, whereas the 2025 Mercedes-Benz AMG GT is limited to 16.1 cu ft in its configuration.

Are the physical dimensions very different between the two wagons?

The dimensions are similar, with both vehicles having near-identical widths (76.9 inches vs 76.8 inches). However, the Mercedes is 2.3 inches taller at 57.3 inches compared to the Audi's 58.6 inches.

What is the cost implication of choosing the higher-powered vehicle?

Choosing the higher-powered Audi RS 6 necessitates paying a premium of $29,600 more than the starting MSRP of the Mercedes AMG GT ($130,700 vs $101,100).

Do the transmission specifications suggest any operational differences?

The AMG GT utilizes a 9-speed shiftable automatic transmission, providing one more gear ratio than the RS 6's 8-speed unit, which can influence cruising efficiency.