2025 BMW X4 M vs 2026 Audi Q8

$79,100 · Crossover

$75,600 · Crossover

Comparison Overview

The most significant quantifiable divergence between the 2025 BMW X4 M and the 2026 Audi Q8 lies in their performance figures, with the X4 M producing a substantial 473 hp compared to the Q8's 335 hp—a difference of 138 horsepower. This performance gap is reflected in the MSRP, as the X4 M commands $79,100 versus the Q8's $75,600. Conversely, the Audi Q8 offers superior practicality, boasting a cargo capacity of 33.7 cu ft, which dwarfs the X4 M's 18.5 cu ft. Fuel economy also favors the Audi, achieving 19 combined MPG versus the BMW’s 17 combined MPG, despite both requiring premium unleaded fuel. While the BMW is more compact in length at 187.5 inches versus the Q8’s 196.0 inches, the Q8’s superior volume and efficiency metrics position it as the more utilitarian option against the performance-focused X4 M.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi Q8

The Audi Q8 achieves 19 combined MPG versus the BMW X4 M's 17 combined MPG, offering better daily efficiency.

👨‍👩‍👧‍👦 Best for Families

2026 Audi Q8

The 2026 Audi Q8 provides substantially more utility with 33.7 cu ft of cargo space compared to the X4 M's 18.5 cu ft.

🏎️ Best for Enthusiasts

2025 BMW X4 M

The 2025 BMW X4 M is the definitive choice for performance with 473 hp and 457 lb-ft of torque.

💰 Best Value

2026 Audi Q8

The Audi Q8 offers a significant 138 hp advantage in utility per dollar by costing $3,500 less while providing better fuel economy.

Choose the BMW X4 M if...

Maximum outright engine performance is required, evidenced by the X4 M's 473 horsepower.
A slightly smaller exterior footprint is desired, with the X4 M measuring 187.5 inches in length.
The driver prioritizes acceleration capabilities over maximum passenger/cargo volume.

Choose the Audi Q8 if...

Utility is paramount, as the Q8 offers 33.7 cu ft of cargo capacity versus 18.5 cu ft in the X4 M.
Lower running costs are a priority, given the Q8's 19 combined MPG versus 17 combined MPG for the X4 M.
A lower initial purchase price is preferred, with the Q8 priced $3,500 below the X4 M.

Key Dimensions

Dimension	BMW X4 M	Audi Q8
Length	187.5"	196.0"
Width	75.9"	79.0"
Height	63.7"	67.0"
Wheelbase	112.8"	118.0"

Features Comparison

Safety

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

Engine

Feature	BMW	Audi
Base Engine Displacement	3.0 L	3.0 L
Number of Cylinders	inline 6	V6
Base Engine Type	gas	mild hybrid
Horsepower	473 hp @ 6250 rpm	335 hp @ 6400 rpm
Torque	457 lb-ft @ 2750 rpm	369 lb-ft @ 1370 rpm
Number of Valves	24	24
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	✓	✓
Center Differential Type	—	Limited Slip

Fuel

Feature	BMW	Audi
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	15/20 MPG	17/23 MPG
EPA Fuel Economy (Combined)	17 MPG	19 MPG
EPA Driving Range (City/Highway)	258.0/344.0 mi.	382.5/517.5 mi.
Fuel Tank Capacity	17.2 gal.	22.5 gal.

Comfort & Convenience

Feature	BMW	Audi
Push Button Start	✓	✓
Tilt and Telescopic Steering Wheel	✓	—
Transmission Controls on Steering Wheel	✓	✓
Cruise Control on Steering Wheel	✓	—
Audio Controls on Steering Wheel	✓	✓
Electric Power Steering	✓	✓
Rear View Camera	✓	✓
Front Parking Sensors	✓	✓
Rear Parking Sensors	✓	—
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	✓	✓
Dual Vanity Mirrors	✓	✓
Auto-Dimming Rearview Mirror	✓	✓
Turn Signal Indicators in Mirrors	✓	✓
Cargo Floor Mats	✓	—
Power Tilt and Telescopic Steering Wheel	—	✓
Rear Parking Sensors with Side Sensing	—	✓
Adaptive Cruise Control	—	✓
Three Zone Climate Control	—	✓
Rear Ventilation Ducts with Fan Control	—	✓

In Car Entertainment

Feature	BMW	Audi
Infotainment Display	12.3 in	10.1 in
AM/FM Stereo	✓	✓
Premium Speaker Brand	Harman/Kardon	—
Stereo Power	464W	180W
Speaker System	16	10
Subwoofer Count	2	—
Surround Audio	Discrete	—
Android Auto (Wired)	✓	—
Apple CarPlay (Wired)	✓	—
USB Port	✓	✓
USB Port with External Media Control	✓	✓
Satellite Radio	✓	✓
Satellite Radio Trial Period	12 months	3 months
Speed Sensitive Volume Control	✓	✓
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	39.5 in.	37.1 in.
Front Leg Room	40.7 in.	41.6 in.
Front Shoulder Room	57.5 in.	59.5 in.
Seat Material: Leather	✓	✓
Front Seat Type: Sport	✓	—
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Thigh Extension	✓	—
Driver Seat Memory Settings	2	2
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	—
Passenger Seat Thigh Extension	✓	—
Driver Seat Heating	Multi-level	Multi-level
Passenger Seat Heating	Multi-level	Multi-level
Front Seat Type: Bucket	—	✓
Driver Seat Power Adjustments	—	8-way
Passenger Seat Power Adjustments	—	8-way

Rearseats

Feature	BMW	Audi
Rear Head Room	37.2 in.	38.1 in.
Rear Leg Room	35.5 in.	40.2 in.
Rear Shoulder Room	56.0 in.	58.5 in.
Split-Folding Rear Seatback	✓	✓
Folding Center Armrest	✓	✓
Reclining Rear Seats	—	✓

Tires and Wheels

Feature	BMW	Audi
Wheel Finish	Painted Alloy	Painted Alloy
Wheel Size	20 x 10.0 in.	21 in
Tire Type	Performance	All Season
Tire Size	265/45R Z	285/45R21
Spare Tire Type	Temporary	Temporary
Spare Tire Location	Inside Mounted	Inside Mounted

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 X4 M and 2026 Audi Q8.

How much more powerful is the 2025 BMW X4 M than the 2026 Audi Q8?

The BMW X4 M holds a significant power advantage, producing 473 horsepower compared to the Audi Q8's 335 horsepower. This results in a difference of 138 hp, making the X4 M substantially more potent on paper.

Is the Audi Q8 a better choice for long road trips regarding fuel consumption?

Yes, the Audi Q8 is projected to be more economical, achieving 19 combined MPG (17/23 City/Highway). The BMW X4 M is rated slightly lower at 17 combined MPG (15/20 City/Highway).

What is the main practical difference in size between these two crossovers?

The Audi Q8 is both larger externally (196.0 inches long vs. 187.5 inches) and internally, offering nearly double the cargo space at 33.7 cu ft compared to the X4 M’s 18.5 cu ft.

Do both vehicles require premium fuel, and what is the price difference?

Both the 2025 BMW X4 M and the 2026 Audi Q8 require premium unleaded fuel. The X4 M has a higher Manufacturer's Suggested Retail Price (MSRP) of $79,100, while the Q8 starts at $75,600, resulting in a $3,500 difference.

How does the torque output compare between the two all-wheel-drive models?

The performance-oriented BMW X4 M delivers 457 lb-ft of torque, significantly exceeding the Audi Q8's 369 lb-ft of torque rating.

Are there substantial dimensional differences beyond overall length?

Yes, the Audi Q8 is notably wider (79.0 inches vs. 75.9 inches) and taller (67.0 inches vs. 63.7 inches) than the BMW X4 M, contributing to its larger cabin volume.