2025 BMW X5 M vs 2026 Audi RS Q8

$127,200 · Crossover

$138,300 · Crossover

Comparison Overview

The $11,100 MSRP gap between the 2026 Audi RS Q8 ($138,300) and the 2025 BMW X5 M ($127,200) is the initial differentiator, yet the Audi counters with a significant performance edge. The RS Q8 produces 631 hp and 627 lb-ft of torque, decisively outpacing the X5 M's 617 hp and 553 lb-ft of torque. Fuel efficiency also slightly favors the Audi, achieving a combined 16 MPG versus the BMW's 15 MPG, translating to better City MPG figures (14 vs 13). Dimensionally, the X5 M is shorter at 194.8 inches compared to the RS Q8's 197.7 inches, but the BMW offers marginally more cargo volume at 33.9 cu ft against the Audi's 33.0 cu ft. Both employ AWD and 8-speed automatics, but the core decision rests on whether the superior power figures and efficiency of the RS Q8 justify its higher entry price over the X5 M’s relative affordability.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi RS Q8

The Audi RS Q8 offers superior city fuel economy at 14 MPG compared to the BMW X5 M's 13 MPG.

👨‍👩‍👧‍👦 Best for Families

2025 BMW X5 M

The BMW X5 M provides a slightly larger cargo capacity of 33.9 cubic feet, better accommodating family gear.

🏎️ Best for Enthusiasts

2026 Audi RS Q8

The 2026 Audi RS Q8 delivers significantly more output with 631 horsepower and 627 lb-ft of torque.

💰 Best Value

2025 BMW X5 M

The BMW X5 M secures the value metric by offering 617 hp for $11,100 less than the Audi's starting price.

Choose the BMW X5 M if...

You prioritize minimizing initial expenditure, as the MSRP is $127,200 compared to $138,300.
You require the maximum available space, as the X5 M has 33.9 cu ft of cargo capacity versus 33.0 cu ft.
You prefer the slightly more compact exterior dimensions (194.8 inches length) for parking or tighter garages.

Choose the Audi RS Q8 if...

Maximum acceleration is the priority, evidenced by the 631 hp and 627 lb-ft of torque.
You seek marginally better overall running efficiency with 16 combined MPG.
You prefer the slightly lower overall height of 67.5 inches.

Key Dimensions

Dimension	BMW X5 M	Audi RS Q8
Length	194.8"	197.7"
Width	79.3"	79.0"
Height	69.4"	67.5"
Wheelbase	117.0"	117.9"

Features Comparison

Safety

Feature	BMW	Audi
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
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	✓	✓
Self-Leveling Headlights	✓	—
Daytime Running Lights	✓	✓
Integrated Turn Signal Mirrors	✓	✓
Front Headrests	2	2
Front Power Adjustable Headrests	✓	—
Rear Headrests	3	3
Rear Height Adjustable Headrests	✓	✓
Rear Center 3-Point Seatbelt	✓	✓
Anti-Theft Alarm System (Remote)	✓	✓
Engine Immobilizer	✓	✓
Lane Keeping Assist System	—	✓
Dual Rear Side-Mounted Airbags	—	✓
Front Integrated Headrests	—	✓

Engine

Feature	BMW	Audi
Base Engine Displacement	4.4 L	4.0 L
Number of Cylinders	V8	V8
Base Engine Type	mild hybrid	mild hybrid
Horsepower	617 hp @ 6000 rpm	631 hp @ 6000 rpm
Torque	553 lb-ft @ 1800 rpm	627 lb-ft @ 2300 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	BMW	Audi
Transmission Type	8-speed shiftable automatic	8-speed shiftable automatic
Drivetrain Type	all wheel drive	all wheel drive
[object Object]	✓	—
[object Object]	✓	—
Hill Descent Control	✓	✓
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	BMW	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	13/18 MPG	14/20 MPG
EPA Fuel Economy (Combined)	15 MPG	16 MPG
EPA Driving Range (City/Highway)	284.7/394.2 mi.	315.0/450.0 mi.
Fuel Tank Capacity	21.9 gal.	22.5 gal.

Comfort & Convenience

Feature	BMW	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	✓	✓
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	✓	✓
Rear Parking Sensors with Side Sensing	—	✓
Adaptive Cruise Control	—	✓

In Car Entertainment

Feature	BMW	Audi
Infotainment Display	14.9 in	10.1 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	730W
Speaker System	16	17
Subwoofer Count	2	1
Surround Audio	Discrete	Discrete
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
Auxiliary Audio Input	✓	—
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months
Premium Brand Speakers	—	Bang & Olufsen
Android Auto (Wireless)	—	✓
Apple CarPlay (Wireless)	—	✓

Power Feature

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

Frontseats

Feature	BMW	Audi
Front Head Room	40.8 in.	37.1 in.
Front Leg Room	39.8 in.	41.3 in.
Front Shoulder Room	60.0 in.	59.5 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	14-way	8-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	14-way	8-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
Passenger Seat Thigh Extension	✓	—
Passenger Seat Memory Settings	2	2
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Driver Seat Ventilation	—	✓
Passenger Seat Ventilation	—	✓

Rearseats

Feature	BMW	Audi
Rear Head Room	39.4 in.	38.1 in.
Rear Leg Room	37.4 in.	40.2 in.
Rear Shoulder Room	58.1 in.	58.4 in.
Split-Folding Rear Seatback	✓	✓
Folding Rear Seat Feature	✓	—
Pass-Thru Center Armrest	✓	—
Reclining Rear Seats	—	✓
Folding Center Armrest	—	✓

Tires and Wheels

Feature	BMW	Audi
Wheel Finish	Painted Alloy	—
Wheel Size	21 x 11.5 in.	—
Tire Type	Performance	Performance
Tire Size	315/35R	295/40R22
Spare Tire Type	Temporary	—
Spare Tire Location	Inside Mounted	—
Wheel Material	—	Alloy
Wheel Diameter	—	22 in

Suspension

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

Warranty

Feature	BMW	Audi
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.	3 yr./ 30000 mi.

Frequently Asked Questions

Common questions about comparing the 2025 BMW X5 M and 2026 Audi RS Q8.

What is the primary performance difference between the 2025 BMW X5 M and the 2026 Audi RS Q8?

The 2026 Audi RS Q8 is the clear performance leader, boasting 631 horsepower and 627 lb-ft of torque. This provides a noticeable advantage over the 2025 BMW X5 M, which produces 617 hp and 553 lb-ft of torque.

How do the fuel economy ratings compare for these two high-performance crossovers?

The Audi RS Q8 has a slight edge in fuel economy, achieving 16 combined MPG (14 city/20 highway). The BMW X5 M returns 15 combined MPG (13 city/18 highway), meaning both require premium unleaded fuel but the Audi offers marginally lower consumption.

Is there a significant difference in physical size between the two vehicles?

Yes, the Audi RS Q8 is longer at 197.7 inches compared to the BMW X5 M's 194.8 inches. However, the BMW is marginally taller (69.4 inches vs. 67.5 inches for the Audi).

Which vehicle offers more practical storage space for daily use?

The 2025 BMW X5 M offers slightly superior cargo volume, rated at 33.9 cubic feet behind the rear seats. The 2026 Audi RS Q8 follows closely with 33.0 cubic feet of cargo capacity.

Given the performance metrics, why does the BMW X5 M win the 'Value' verdict?

The BMW wins on value because it offers 617 horsepower for an MSRP of $127,200. The Audi RS Q8 demands $11,100 more for its superior power figures, making the X5 M the less expensive route to near-supercar performance.

Are there any differences in their foundational drivetrain specifications?

No, both vehicles utilize an All-Wheel Drive configuration and are equipped with an 8-speed shiftable automatic transmission, ensuring comparable fundamental power delivery mechanisms.