2026 Audi RS 6 vs 2026 Mercedes-Benz Amg Gt

$130,700 · Wagon

$102,100 · Wagon

Comparison Overview

The battle between these two German performance wagons pits brute force against sophisticated balance. The 2026 Audi RS 6 detonates off the line, boasting a ferocious 621 horsepower and 627 lb-ft of torque from its potent powertrain, making its thirst for premium fuel result in a modest 16 MPG combined. Conversely, the 2026 Mercedes-Benz AMG GT offers a more accessible, yet still spirited, 362 horsepower experience, rewarded with a thriftier 21 MPG combined rating. This stark $28,600 MSRP difference places the Audi significantly higher at $130,700 versus the AMG GT's $102,100 entry point. While both utilize AWD, the Audi overwhelms with 259 more horsepower, sacrificing efficiency for sheer velocity, whereas the AMG GT remains the more sensible daily driver with 5 MPG better fuel economy.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Mercedes-Benz Amg Gt

The Mercedes-Benz AMG GT wins for commuters due to its superior combined fuel economy rating of 21 MPG compared to the Audi RS 6's 16 MPG.

👨‍👩‍👧‍👦 Best for Families

2026 Audi RS 6

The Audi RS 6 offers substantially more utility with 29.9 cubic feet of cargo capacity, significantly outpacing the AMG GT's 16.1 cubic feet.

🏎️ Best for Enthusiasts

2026 Audi RS 6

The Audi RS 6 is the clear enthusiast choice, delivering an immense 621 horsepower and 627 lb-ft of torque for ultimate straight-line thrills.

💰 Best Value

2026 Mercedes-Benz Amg Gt

The Mercedes-Benz AMG GT is the better value proposition, costing $28,600 less while still providing respectable performance.

Choose the Audi RS 6 if...

You demand segment-leading power, utilizing the full 621 hp available.
Maximum utility is essential, leveraging the segment-leading 29.9 cu ft of cargo space.
Budget is secondary to ultimate performance, accepting the $130,700 MSRP for the RS badge.

Choose the Mercedes-Benz Amg Gt if...

You prioritize efficiency and want to achieve 21 MPG combined with premium fuel.
Keeping initial purchase price down is key, saving $28,600 by selecting the $102,100 AMG GT.
A slightly larger chassis appeals, as the AMG GT is nearly 2.3 inches longer than the RS 6.

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 Fixed 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]	✓	—
Hill Descent Control	✓	—
[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)	16 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.
Complimentary Scheduled Maintenance	3 yr./ 30000 mi.	—
Hybrid Component Warranty	—	6 yr./ 62000 mi.

Frequently Asked Questions

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

How significant is the power gap between these two wagons?

The power difference is vast; the 2026 Audi RS 6 churns out 621 horsepower, crushing the 2026 Mercedes-Benz AMG GT's 362 horsepower output, resulting in a 259 hp deficit for the Mercedes.

Is the fuel economy difference noticeable in real-world driving?

Yes, the 5 MPG difference will be felt immediately; the AMG GT achieves 21 MPG combined, while the high-performance RS 6 only manages 16 MPG combined, requiring more frequent stops for premium unleaded fuel.

Which vehicle offers better cargo carrying ability?

The Audi RS 6 is significantly better equipped for hauling gear, offering 29.9 cubic feet of cargo capacity compared to the AMG GT's 16.1 cubic feet.

What justifies the $28,600 price difference?

The $130,700 price tag on the Audi RS 6 reflects its extreme performance output, including 627 lb-ft of torque, justifying the premium over the $102,100 Mercedes-Benz AMG GT.

Do both models offer AWD and automatic transmissions?

Both vehicles utilize an all-wheel drive system for optimal traction, but the Audi uses an 8-speed automatic while the AMG GT employs a 9-speed shiftable automatic.

Are there significant size differences in length or width?

The physical footprints are similar, but the AMG GT is slightly longer at 199.0 inches versus the RS 6's 196.7 inches, while their widths are virtually identical.