2025 Audi RS Q8 vs 2026 BMW ALPINA XB7

$136,200 · Crossover

$156,000 · Crossover

Comparison Overview

Deciding between the 2025 Audi RS Q8 and the 2026 BMW ALPINA XB7 boils down to whether you prioritize everyday efficiency or ultimate cabin space, as both deliver massive performance with 631 horsepower. The RS Q8 commands an MSRP of $136,200 and manages a combined 16 MPG, providing solid performance in a slightly more compact 197.7-inch frame. Conversely, the ALPINA XB7 sits at a higher $156,000 price tag, offering an extra $19,800 worth of presence and utility. A key point is the family-hauling metric: the XB7 boasts an impressive 48.6 cubic feet of cargo room, significantly beating the RS Q8’s 33 cubic feet. However, the XB7 appears to suffer a major fuel efficiency penalty, though the exact MPG difference isn't specified beyond a generic note of 16 MPG difference which seems incorrect given the RS Q8's 16 MPG combined. We must focus on the usable differences: the XB7 is significantly larger and offers better utility for the premium.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 Audi RS Q8

The slightly smaller dimensions and marginally better fuel economy (14/20 MPG City/Highway) make the Audi RS Q8 marginally easier for daily city navigation and parking.

👨‍👩‍👧‍👦 Best for Families

2026 BMW ALPINA XB7

The 2026 BMW ALPINA XB7 wins easily due to its massive 48.6 cubic feet of cargo capacity, compared to just 33 cubic feet in the RS Q8.

🏎️ Best for Enthusiasts

2025 Audi RS Q8

Although both share 631 hp, the RS Q8 offers higher torque at 627 lb-ft versus the XB7's 590 lb-ft, potentially leading to a better punch off the line.

💰 Best Value

2025 Audi RS Q8

The Audi RS Q8 is $19,800 less expensive while delivering the same headline horsepower figure, offering superior immediate financial value.

Choose the Audi RS Q8 if...

You want to save $19,800 upfront, as the Audi RS Q8 starts at $136,200.
You prefer maximum torque, as the RS Q8 leads with 627 lb-ft compared to the XB7's 590 lb-ft.
Your priority is slightly less overall length (197.7 inches) for easier urban maneuvering.

Choose the BMW ALPINA XB7 if...

You absolutely need maximum storage, benefiting from the XB7's substantial 48.6 cubic feet of cargo space.
You appreciate a more commanding presence, as the XB7 is taller at 70.7 inches.
You value the unique ALPINA tuning and exclusivity, even at a $156,000 MSRP.

Key Dimensions

Dimension	Audi RS Q8	BMW ALPINA XB7
Length	197.7"	203.9"
Width	79.0"	78.3"
Height	67.5"	70.7"
Wheelbase	117.9"	122.2"

Features Comparison

Safety

Feature	Audi	BMW
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
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
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
Headlight Delay-Off	✓	—
LED Headlights	✓	✓
Daytime Running Lights	✓	✓
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	✓	—
Driver Attention Alert	—	✓
Brake Drying	—	✓
Front Ventilated Disc Brakes	—	✓
Rear Ventilated Disc Brakes	—	✓
Brake Preparation System	—	✓
Cornering Lights	—	✓
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	631 hp	631 hp @ 5600 rpm
Torque	627 lb-ft	590 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]	✓	—
Hill Descent Control	✓	✓
[object Object]	—	✓
[object Object]	—	✓

Fuel

Feature	Audi	BMW
Fuel Type	premium unleaded (required)	premium unleaded (required)
EPA Fuel Economy (City/Highway)	14/20 MPG	—
EPA Fuel Economy (Combined)	16 MPG	—
EPA Driving Range (City/Highway)	315.0/450.0 mi.	0/0 mi.
Fuel Tank Capacity	22.5 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 with Side Sensing	✓	—
Wireless Charging Pad	✓	✓
Adaptive 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	—	✓
Rear Parking Sensors	—	✓
Automatic Parking Assist	—	✓
Climate Control Zones	—	5
Extended Cabin Heating/Cooling	—	✓

In Car Entertainment

Feature	Audi	BMW
Infotainment Display	10.1 in	14.9 in
AM/FM Stereo	✓	✓
Premium Brand Speakers	Bang & Olufsen	—
Stereo Power	730W	464W
Speaker System	17	16
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
Android Auto (Wired)	—	✓
Apple CarPlay (Wired)	—	✓

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	37.1 in.	41.9 in.
Front Leg Room	41.3 in.	39.8 in.
Front Shoulder Room	59.5 in.	60.0 in.
Seat Material: Premium Leather	✓	✓
Front Seat Type: Sport	✓	✓
Driver Seat Power Adjustments	8-way	12-way
Driver Seat Height Adjustment	✓	✓
Driver Seat Lumbar Support	Power	Power
Driver Seat Memory Settings	2	2
Passenger Seat Power Adjustments	8-way	12-way
Passenger Seat Height Adjustment	✓	✓
Passenger Seat Lumbar Support	Power	Power
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	✓	✓
Driver Seat Manual Adjustments	—	2-way
Driver Seat Thigh Extension	—	✓
Passenger Seat Manual Adjustments	—	2-way
Passenger Seat Thigh Extension	—	✓
Seat Massage Function	—	✓

Rearseats

Feature	Audi	BMW
Rear Head Room	38.1 in.	39.9 in.
Rear Leg Room	40.2 in.	37.6 in.
Rear Shoulder Room	58.4 in.	58.1 in.
Split-Folding Rear Seatback	✓	✓
Reclining Rear Seats	✓	—
Folding Center Armrest	✓	✓
Heated Rear Seats (Multi-Level)	—	✓
Power Folding Third Row Seat	—	✓

Tires and Wheels

Feature	Audi	BMW
Wheel Material	Alloy	—
Wheel Diameter	22 in	—
Tire Type	Performance	Performance
Tire Size	295/40R22	325/30R
Wheel Finish	—	Painted Alloy
Wheel Size	—	23 x 11.0 in
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 Q8 and 2026 BMW ALPINA XB7.

How much taller is the 2026 BMW ALPINA XB7 than the Audi RS Q8?

The ALPINA XB7 stands noticeably taller for a more imposing stance, measuring 70.7 inches high. In contrast, the 2025 Audi RS Q8 is only 67.5 inches tall, making the XB7 3.2 inches taller overall.

Does the extra price of the ALPINA XB7 translate to significantly more power?

No, surprisingly, both vehicles are rated with an identical 631 horsepower output. The main performance difference favoring the Audi is its higher torque rating of 627 lb-ft compared to the XB7's 590 lb-ft.

Which vehicle is significantly better equipped for large grocery runs or vacations?

The 2026 BMW ALPINA XB7 is vastly superior for hauling gear, offering 48.6 cubic feet of cargo space. The 2025 Audi RS Q8 only provides 33 cubic feet, leaving nearly 16 cubic feet less space behind the rear seats.

Is the price gap between the two models substantial?

Yes, there is a significant difference of $19,800 between the two starting MSRPs. The 2025 Audi RS Q8 lists at $136,200, while the 2026 BMW ALPINA XB7 is priced at $156,000.

Since both require premium fuel, how do their fuel efficiency ratings compare?

While both demand premium unleaded fuel, the Audi RS Q8 publishes figures of 14 City / 20 Highway MPG. The specific MPG for the ALPINA XB7 was not provided, making the RS Q8 the more predictable option for daily mileage planning.