2025 BMW ALPINA XB7 vs 2026 Audi RS Q8

$152,400 · Crossover

$138,300 · Crossover

Comparison Overview

When you are cross-shopping elite performance crossovers, the core dilemma often boils down to prestige and ultimate luxury versus outright performance metrics for less cash. The 2025 BMW ALPINA XB7, priced at $152,400, offers a distinct level of exclusive refinement, but the 2026 Audi RS Q8 undercuts it significantly at $138,300. Performance is nearly identical on paper: both boast 631 hp, but the RS Q8 pulls ahead with 627 lb-ft of torque compared to the XB7's 590 lb-ft. Where differences become practical is size and hauling; the XB7 stretches 203.9 inches long and provides 48.6 cu ft of cargo space, whereas the RS Q8 is slightly shorter and offers only 33 cu ft. Interestingly, fuel economy is nearly flat, with both achieving a combined 16-17 MPG, ensuring premium fuel is a necessity for both high-output machines.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2025 BMW ALPINA XB7

The slightly better 16/20 MPG city/highway rating for the XB7 offers marginal daily running cost relief over the RS Q8.

👨‍👩‍👧‍👦 Best for Families

2025 BMW ALPINA XB7

The ALPINA XB7 wins for families due to its substantially larger 48.6 cu ft cargo capacity compared to the RS Q8's 33 cu ft.

🏎️ Best for Enthusiasts

2026 Audi RS Q8

The 2026 Audi RS Q8 takes the enthusiast crown by delivering 37 lb-ft more torque (627 lb-ft vs 590 lb-ft) at the same horsepower level.

💰 Best Value

2026 Audi RS Q8

The RS Q8 provides the same 631 horsepower output for $14,100 less than the comparable XB7.

Choose the BMW ALPINA XB7 if...

You prioritize maximum hauling ability, evidenced by its 48.6 cu ft of cargo space.
You prefer the subtly superior fuel economy rating of 17 combined MPG.
You desire the longer physical presence of the vehicle, measuring 203.9 inches in length.

Choose the Audi RS Q8 if...

Snagging the highest torque figure, 627 lb-ft, is your top priority for responsiveness.
You want to save $14,100 on the initial purchase price.
You prefer a slightly more compact footprint, with a height of 67.5 inches.

Key Dimensions

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

Features Comparison

Safety

Feature	BMW	Audi
Blind Spot Monitor	✓	✓
Lane Departure Warning	✓	✓
Lane Keeping Assist System	✓	✓
Rear Cross Traffic Alert	✓	✓
Driver Attention 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 Drying	✓	—
Front Ventilated Disc Brakes	✓	—
Rear Ventilated Disc Brakes	✓	—
Brake Preparation System	✓	—
Brake Assist	✓	✓
Tire Pressure Monitoring System	✓	✓
Automatic Headlights	✓	✓
LED Headlights	✓	✓
Adaptive 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)	✓	✓
Headlight Delay-Off	—	✓
Front Integrated Headrests	—	✓
Engine Immobilizer	—	✓

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	631 hp @ 5600 rpm	631 hp @ 6000 rpm
Torque	590 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)	16/20 MPG	14/20 MPG
EPA Fuel Economy (Combined)	17 MPG	16 MPG
EPA Driving Range (City/Highway)	350.4/438.0 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	✓	✓
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	✓	✓
Climate Control Zones	5	—
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	—	✓
Four Zone Climate 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
Surround Audio	Discrete	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
Premium Brand Speakers	—	Bang & Olufsen
Subwoofer Count	—	1
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	41.9 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 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	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	✓	✓
Seat Massage Function	✓	—
Driver Seat Power Adjustments	—	8-way
Passenger Seat Power Adjustments	—	8-way

Rearseats

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

Tires and Wheels

Feature	BMW	Audi
Wheel Finish	Painted Alloy	—
Wheel Size	23 x 11.0 in	—
Tire Type	Performance	Performance
Tire Size	325/30R	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 ALPINA XB7 and 2026 Audi RS Q8.

How much more space do I actually get with the ALPINA XB7?

The 2025 BMW ALPINA XB7 offers a significant advantage in hauling, boasting 48.6 cu ft of cargo capacity. This is nearly 16 cu ft more than the 2026 Audi RS Q8’s 33 cu ft, which is a noticeable difference for family trips.

Is the $14,100 price gap worth the performance difference?

Performance-wise, they are extremely close; both produce 631 hp. However, the RS Q8 edges out the XB7 in torque with 627 lb-ft versus 590 lb-ft, making the RS Q8 the better value proposition for pure on-paper output.

Are these vehicles significantly different in size for parking?

Yes, the XB7 is substantially larger, measuring 203.9 inches long and 70.7 inches high, while the RS Q8 is shorter at 197.7 inches and much lower at 67.5 inches, which might make maneuvering the RS Q8 easier in tight spots.

Do these high-performance crossovers burn drastically different amounts of premium fuel?

Not really; the consumption figures are very similar since both require premium unleaded fuel. The XB7 ekes out a slight edge with 17 combined MPG versus the RS Q8’s 16 combined MPG.

Which one is physically wider on the road?

Interestingly, the 2026 Audi RS Q8 is slightly wider across the body at 79.0 inches, while the 2025 BMW ALPINA XB7 measures 78.3 inches wide.

Do the transmissions affect daily driving in these crossovers?

Both use an 8-speed shiftable automatic transmission, suggesting they should offer comparable smooth shifting dynamics during normal commuting, despite their massive power outputs.