2026 Audi RS Q8 vs 2026 BMW ALPINA XB7

$138,300 · Crossover

$156,000 · Crossover

Comparison Overview

The most significant numerical divergence between the 2026 Audi RS Q8 and the 2026 BMW ALPINA XB7 is the $17,700 difference in MSRP, with the Audi starting at $138,300 and the ALPINA at $156,000. Power output is identical at 631 hp, but the RS Q8 offers a substantial 627 lb-ft of torque compared to the XB7's 590 lb-ft. Fuel economy presents another key contrast; while both are premium unleaded vehicles, the RS Q8 achieves a combined 16 MPG, whereas the XB7's fuel economy rating is not provided, making the RS Q8's 14/20 MPG city/highway figures more transparent. However, the ALPINA compensates with superior utility, boasting 48.6 cubic feet of cargo capacity against the RS Q8's 33 cubic feet. The XB7 is also physically larger, measuring 203.9 inches long versus the RS Q8's 197.7 inches, and is notably taller at 70.7 inches.

Size Comparison

Performance

Fuel Efficiency

Full Specifications

Our Verdicts

🚗 Best for Commuters

2026 Audi RS Q8

The Audi RS Q8 is preferred for commuting due to its marginally better reported fuel economy of 16 combined MPG.

👨‍👩‍👧‍👦 Best for Families

2026 BMW ALPINA XB7

The BMW ALPINA XB7 provides substantially more utility with 48.6 cubic feet of cargo capacity compared to the RS Q8's 33 cubic feet.

🏎️ Best for Enthusiasts

2026 Audi RS Q8

The Audi RS Q8 is superior for performance metrics, exhibiting higher peak torque at 627 lb-ft versus the XB7's 590 lb-ft.

💰 Best Value

2026 Audi RS Q8

The Audi RS Q8 offers the same 631 horsepower rating while being $17,700 less expensive than the BMW ALPINA XB7.

Choose the Audi RS Q8 if...

You prioritize maximum torque output, as the RS Q8 produces 627 lb-ft.
You want the lower initial acquisition cost at an MSRP of $138,300.
You require quantifiable fuel efficiency data, as the RS Q8 specifies 14 city/20 highway MPG.

Choose the BMW ALPINA XB7 if...

You need maximum storage, evidenced by 48.6 cu ft of cargo volume.
You prefer a larger physical footprint, as the XB7 is 203.9 inches long.
You desire a taller vehicle stance, with the XB7 measuring 70.7 inches high.

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 @ 6000 rpm	631 hp @ 5600 rpm
Torque	627 lb-ft @ 2300 rpm	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
Subwoofer Count	1	—
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./ 30000 mi.	3 yr./ 36000 mi.

Frequently Asked Questions

Common questions about comparing the 2026 Audi RS Q8 and 2026 BMW ALPINA XB7.

What is the performance difference given the identical horsepower figures?

Both vehicles list 631 hp, but the Audi RS Q8 pulls ahead in torque with 627 lb-ft compared to the ALPINA XB7’s 590 lb-ft, suggesting a slight edge in low-to-mid range acceleration for the Audi.

How does the base pricing impact overall value?

The 2026 Audi RS Q8 has an MSRP of $138,300, making it $17,700 more affordable than the 2026 BMW ALPINA XB7's $156,000 price tag, representing a significant cost variance.

Which crossover offers better space for passengers and cargo?

The BMW ALPINA XB7 is superior in usable space, offering 48.6 cubic feet of cargo capacity. The Audi RS Q8 trails significantly with only 33 cubic feet available.

Are both vehicles required to use premium fuel?

Yes, both the 2026 Audi RS Q8 and the 2026 BMW ALPINA XB7 explicitly require premium unleaded fuel for operation.

Is there a noticeable dimensional difference between the two crossovers?

Yes, the ALPINA XB7 is longer at 203.9 inches versus the RS Q8’s 197.7 inches, and it is also significantly taller, measuring 70.7 inches high compared to 67.5 inches for the Audi.

What are the known fuel economy differences?

The Audi RS Q8 provides specific figures of 14 MPG city and 20 MPG highway for a 16 MPG combined rating, while official MPG figures for the ALPINA XB7 are not listed for comparison.