VS
At a Glance
Power
631hp
420hp @ 5600
Torque
627lb-ft
460lb-ft @ 4100
Fuel
17 mpg est.
16 mpg est.
Towing
—
7800lbs
Engine
4.0 L/244ci
—
Choosing between the Audi Q8 and the GMC Yukon is one of the most common decisions car buyers in the United States face. The Audi Q8 delivers 631hp while the GMC Yukon produces 420hp @ 5600. On fuel, the Q8 returns 17 mpg est. while the Yukon uses 16 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $138,300 for the Q8 and $83,400 for the Yukon. Both vehicles have their merits. The right choice depends on your priorities: fuel economy, performance, towing ability, safety features or total cost of ownership. This comparison covers every specification available so you can make an informed decision.
Specification
Audi Q8performance quattro 2026 - From $138,300
GMC Yukon4WD 4dr Denali 2026 - From $83,400
Performance
Power Output (hp)
631hp
420hp @ 5600
Torque (lb-ft)
627lb-ft
460lb-ft @ 4100
Engine & Drivetrain
Engine Capacity
4.0 L/244ci
—
Engine Layout
—
Inline
Cylinders
8
6
Fuel Type
—
Diesel
Forced Induction Device
Turbocharged
—
Transmission
Automatic
Automatic
Number of Gears
8
—
Drive Wheels
All Wheel Drive
Four Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
17 mpg est.
16 mpg est.
Fuel Economy - City (mpg)
14mpg
14mpg
Fuel Economy - Highway (mpg)
20mpg
18mpg
Fuel Tank Capacity (gal)
22.5gal
28gal
Dimensions
Length (in)
197.3in
225.2in
Width (in)
78.7in
81in
Height (in)
66.7in
76.5in
Wheelbase (in)
117.9in
134in
Curb Weight (lbs)
5434lbs
—
Towing & Payload
Towing Capacity (lbs)
—
7800lbs
Safety
ABS
✓ Standard
✓ Standard
Brake Assist
✓ Standard
✓ Standard
Stability Control
✓ Standard
✓ Standard
Traction Control
✓ Standard
✓ Standard
Driver Airbag
✓ Standard
✓ Standard
Passenger Airbag
✓ Standard
✓ Standard
Side Airbags Front
✓ Standard
✓ Standard
Curtain Airbags
✓ Standard
✓ Standard
Features & Tech
Air Conditioning
✓ Standard
✓ Standard
Climate Control
✓ Standard
✓ Standard
Cruise Control
✓ Standard
✓ Standard
Adaptive Cruise Control
✓ Standard
✓ Standard
Bluetooth
✓ Standard
✓ Standard
Backup Camera
✓ Standard
✓ Standard
Rear Parking Aid
✓ Standard
✓ Standard
Sunroof
✓ Standard
✓ Standard
Heated Seats
✓ Standard
✓ Standard
Power Seat Adjustment
✓ Standard
✓ Standard
Keyless Entry
✓ Standard
✓ Standard
Trailer Hitch
✓ Standard
✓ Standard
Alloy Wheels
✓ Standard
✓ Standard
The Verdict
Which Wins?
Overall Winner
Tie
2 / 4 categories
Performance
Q8
Fuel Economy
Q8
Value
Yukon
Practicality
Yukon
Pros & Cons
Audi Q8
Better fuel economy (17 mpg est.)
Higher starting price
GMC Yukon
Lower starting price ($83,400)
Higher fuel consumption (16 mpg est.)
Frequently Asked Questions
Which is more fuel efficient, the Q8 or Yukon?
The Q8 gets 17 mpg est. and the Yukon gets 16 mpg est. on the combined cycle. The Q8 is the more fuel-efficient choice. In real-world conditions with a mix of highway and urban driving, actual figures will be slightly higher.
Which has more power, the Q8 or Yukon?
The Q8 produces 631hp and 627lb-ft of torque while the Yukon delivers 420hp @ 5600 and 460lb-ft @ 4100 of torque. The Q8 is the more powerful option.
What is the price difference between the Q8 and Yukon?
The Q8 starts from $138,300 and the Yukon from $83,400. The Yukon is cheaper by $54,900 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the Q8 or Yukon?
The Q8 has a braked towing capacity of not specified and the Yukon can tow 7800lbs. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the Q8 or the Yukon?
It depends on your priorities. If fuel economy matters most, check the mpg figures above. If you need towing capacity, compare the towing ratings. For day-to-day driving - commutes, school runs and highway trips - consider ground clearance, service network coverage, and total cost of ownership including insurance and maintenance. Use the spec tables above to compare every detail before making your decision.