2025 Audi RS 6 vs 2025 BMW X5 M

$126,600 · Wagon

$127,200 · Crossover

Comparison Overview

The most significant numerical disparity lies in torque, where the 2025 Audi RS 6 offers 627 lb-ft, significantly eclipsing the 2025 BMW X5 M's 553 lb-ft. Performance remains razor-thin in horsepower, with the RS 6 producing 621 hp against the X5 M's 617 hp. Fuel efficiency favors the Audi wagon slightly, achieving a combined 17 MPG compared to the X5 M's 15 MPG. The BMW, despite being shorter in length (194.8 inches vs. 196.7 inches for the Audi), is substantially taller at 69.4 inches, benefiting its 33.9 cu ft cargo capacity, which exceeds the RS 6's 30 cu ft. Priced nearly identically, the RS 6 undercuts the X5 M by $600 at an MSRP of $126,600 versus $127,200, yet offers greater absolute power output, creating a compelling dynamic between utility and raw muscle.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi RS 6

The Audi RS 6 offers a better combined MPG rating of 17 versus the X5 M's 15, translating to lower frequent fuel costs.

👨‍👩‍👧‍👦 Best for Families

2025 BMW X5 M

The BMW X5 M provides superior utility with a greater cargo capacity of 33.9 cu ft compared to the RS 6's 30 cu ft.

🏎️ Best for Enthusiasts

2025 Audi RS 6

The Audi RS 6 boasts superior torque output at 627 lb-ft and slightly higher horsepower at 621 hp.

💰 Best Value

2025 Audi RS 6

The Audi RS 6 is $600 cheaper while delivering 8 more lb-ft of torque and 2 MPG better combined efficiency.

Choose the Audi RS 6 if...

Maximum straight-line performance potential is prioritized, evidenced by 627 lb-ft of torque.
Slightly better fuel economy (17 combined MPG) is required for a high-performance AWD vehicle.
The classic, lower-riding wagon body style with a length of 196.7 inches is preferred over an SUV stance.

Choose the BMW X5 M if...

Higher ground clearance and vertical space are necessary, reflected in the 69.4-inch height.
Greater cargo volume (33.9 cu ft) is essential for regular hauling needs.
The slightly wider stance (79.3 inches vs. 76.8 inches) suggests a broader footprint, which some drivers prefer for stability.

Key Dimensions

Dimension	Audi RS 6	BMW X5 M
Length	196.7"	194.8"
Width	76.8"	79.3"
Height	58.6"	69.4"
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.	40.8 in.
Front Leg Room	41.3 in.	39.8 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.	39.4 in.
Rear Leg Room	37.4 in.	37.4 in.
Rear Shoulder Room	56.5 in.	58.1 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 X5 M.

Is the performance difference between the 621 hp RS 6 and the 617 hp X5 M noticeable?

While horsepower is nearly identical, the Audi RS 6 possesses a significant advantage in torque, delivering 627 lb-ft against the X5 M's 553 lb-ft. This 74 lb-ft margin often translates to superior mid-range pulling power during acceleration runs.

How much does the body style affect practicality between these two AWD performance models?

The BMW X5 M (Crossover) is notably taller at 69.4 inches and provides 33.9 cu ft of cargo space. The Audi RS 6 (Wagon) is much lower at 58.6 inches and offers less storage at 30 cu ft, despite being slightly longer overall.

Since both require premium fuel, which car is more efficient for daily driving?

The Audi RS 6 has a slight edge in efficiency, achieving 17 combined MPG (14 city/21 highway). The BMW X5 M registers 15 combined MPG (13 city/18 highway).

Which vehicle has a higher purchase price?

The 2025 BMW X5 M has a higher Manufacturer's Suggested Retail Price (MSRP) at $127,200. The 2025 Audi RS 6 is priced marginally lower at $126,600.

Do the dimensions like width impact garage fitment significantly?

The BMW X5 M is significantly wider at 79.3 inches compared to the Audi RS 6 at 76.8 inches. This extra 2.5 inches in width could be a deciding factor for tight garage spaces.

Are the transmissions mechanically different despite both being 8-speed automatics?

While both utilize 8-speed shiftable automatic transmissions, the powertrain tuning differs significantly to handle the differing torque loads of each vehicle, contributing to the respective MPG figures.