2025 Audi RS 6 vs 2025 BMW X6 M

$126,600 · Wagon

$132,100 · Crossover

Comparison Overview

The 2025 showdown between the Audi RS 6 and the BMW X6 M pits true performance utility against aggressive crossover sculpting. The RS 6 captivates with its stealth-bomber wagon profile, boasting 621 hp and a commanding 627 lb-ft of torque, all while maintaining a more sensible 17 combined MPG and a $126,600 starting MSRP. Conversely, the X6 M offers a slightly taller, broader stance at 79.5 inches wide and 66.7 inches high, delivering a mighty 617 hp but dropping efficiency to 15 combined MPG. While the X6 M commands a $5,500 premium, the RS 6 edges it out slightly in power figures and cargo space, offering 30 cubic feet versus the X6 M's 27.4 cu ft. Both use the same 8-speed automatic transmission and AWD systems, but the RS 6 package feels like the sharper, more potent, and marginally better-packaged performance machine for dedicated drivers seeking an all-weather weapon.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi RS 6

The Audi RS 6 offers superior fuel economy at 17 combined MPG compared to the X6 M's 15 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2025 Audi RS 6

The RS 6 provides more practical space with 30 cubic feet of cargo capacity over the X6 M's 27.4 cubic feet.

🏎️ Best for Enthusiasts

2025 Audi RS 6

The Audi RS 6 wins the sheer output contest with 621 horsepower and 627 lb-ft of torque.

💰 Best Value

2025 Audi RS 6

The RS 6 delivers more horsepower for a $5,500 lower starting MSRP.

Choose the Audi RS 6 if...

You prioritize outright power, as the RS 6 packs 621 hp versus the X6 M's 617 hp.
You need the extra utility provided by its 30 cubic feet of cargo capacity.
You want to save $5,500 while still achieving 17 combined MPG.

Choose the BMW X6 M if...

You prefer the commanding presence and ride height of a crossover body style.
You want a wider vehicle, as the X6 M stretches to 79.5 inches wide.
You prefer a slightly shorter overall length at 195.0 inches versus the RS 6's 196.7 inches.

Key Dimensions

Dimension	Audi RS 6	BMW X6 M
Length	196.7"	195.0"
Width	76.8"	79.5"
Height	58.6"	66.7"
Wheelbase	115.3"	117.0"

Features Comparison

Safety

Feature	Audi	BMW
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	3
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	—	✓
Self-Leveling Headlights	—	✓
Front Power Adjustable Headrests	—	✓

Engine

Feature	Audi	BMW
Base Engine Displacement	4.0 L	4.4 L
Number of Cylinders	V8	V8
Base Engine Type	mild hybrid	mild hybrid
Horsepower	621 hp	617 hp @ 6000 rpm
Torque	627 lb-ft	553 lb-ft @ 1800 rpm
Number of Valves	32	32
Camshaft Type	Double overhead cam (DOHC)	Double overhead cam (DOHC)
Variable Valve Timing	Variable	Variable
Fuel Injection Type	✓	✓

Drive Train

Feature	Audi	BMW
Transmission Type	8-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	Audi	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	14/21 MPG	13/18 MPG
EPA Fuel Economy (Combined)	17 MPG	15 MPG
EPA Driving Range (City/Highway)	270.2/405.3 mi.	284.7/394.2 mi.
Fuel Tank Capacity	19.3 gal.	21.9 gal.

Comfort & Convenience

Feature	Audi	BMW
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	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 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	12 months
Premium Speaker Brand	—	Harman/Kardon
Stereo Power	—	464W
Speaker System	—	16
Subwoofer Count	—	2
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓
Auxiliary Audio Input	—	✓

Power Feature

Feature	Audi	BMW
One-Touch Power Windows	4	4
Moonroof Type	1st Row Power Glass Extended	1st Row Power Glass Extended
Keyless Entry	✓	✓
Heated Mirrors	✓	✓
Reverse Tilt Passenger Mirror	—	✓

Frontseats

Feature	Audi	BMW
Front Head Room	38.3 in.	39.3 in.
Front Leg Room	41.3 in.	40.4 in.
Front Shoulder Room	57.8 in.	60.0 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	10-way	14-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	10-way	14-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	✓	—
Driver Seat Thigh Extension	—	✓
Passenger Seat Thigh Extension	—	✓
Passenger Seat Memory Settings	—	2

Rearseats

Feature	Audi	BMW
Rear Head Room	39.5 in.	37.5 in.
Rear Leg Room	37.4 in.	35.7 in.
Rear Shoulder Room	56.5 in.	57.7 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	✓
Pass-Thru Center Armrest	✓	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Material	Alloy	—
Wheel Size	21 in	21 x 11.5 in.
Tire Type	Performance	Performance
Tire Size	275/35R21	315/35R
Wheel Finish	—	Painted Alloy
Spare Tire Type	—	Temporary
Spare Tire Location	—	Inside Mounted

Suspension

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

Warranty

Feature	Audi	BMW
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.	12 yr./ unlimited mi.
Roadside Assistance	4 yr./ unlimited mi.	4 yr./ unlimited mi.
Complimentary Scheduled Maintenance	—	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 Audi RS 6 and 2025 BMW X6 M.

Which vehicle is faster in a straight line between the 2025 Audi RS 6 and the BMW X6 M?

Based purely on the provided figures, the Audi RS 6 holds a slight edge due to its superior torque output of 627 lb-ft compared to the X6 M's 553 lb-ft, suggesting quicker acceleration response.

How significant is the difference in fuel consumption for daily driving?

The difference is noticeable; the RS 6 achieves 17 combined MPG (14 city/21 highway), whereas the X6 M trails slightly at 15 combined MPG (13 city/18 highway), meaning the Audi requires less frequent stops for premium fuel.

Is the Audi RS 6 or the BMW X6 M better for hauling gear?

The Audi RS 6 is objectively better for cargo, offering 30 cubic feet behind the rear seats, exceeding the BMW X6 M’s 27.4 cubic feet.

What is the main implication of the MSRP difference?

The $126,600 MSRP for the RS 6 is $5,500 less than the X6 M's $132,100 price tag, which is a notable saving considering the RS 6 provides slightly more horsepower.

How do the dimensions compare for garage parking?

The RS 6 is nearly two inches longer (196.7 in) than the X6 M (195.0 in), but the X6 M is significantly wider at 79.5 inches compared to the RS 6’s 76.8 inches, impacting tight side-by-side parking.

Do both performance SUVs require premium fuel?

Yes, both the 2025 Audi RS 6 and the 2025 BMW X6 M explicitly require premium unleaded gasoline to achieve their stated horsepower and torque figures.