VS
At a Glance
Power
420hp @ 5600
349hp @ 4800
Torque
460lb-ft @ 4100
479lb-ft @ 2000
Fuel
16 mpg est.
18 mpg est.
Towing
8000lbs
9096lbs
Engine
—
3.4 L/210ci
Choosing between the GMC Yukon and the Lexus GX is one of the most common decisions car buyers in the United States face. The GMC Yukon delivers 420hp @ 5600 while the Lexus GX produces 349hp @ 4800. On fuel, the Yukon returns 16 mpg est. while the GX uses 18 mpg est. — important in a market where fuel prices change monthly. Pricing starts at $103,900 for the Yukon and $73,130 for the GX. 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
GMC Yukon4WD 4dr Denali Ultimate 2026 - From $103,900
Lexus GXGX 550 Overtrail 4WD 2026 - From $73,130
Performance
Power Output (hp)
420hp @ 5600
349hp @ 4800
Torque (lb-ft)
460lb-ft @ 4100
479lb-ft @ 2000
Engine & Drivetrain
Engine Capacity
—
3.4 L/210ci
Engine Layout
Inline
V
Cylinders
6
6
Fuel Type
Diesel
Gasoline
Forced Induction Device
—
Turbocharged
Transmission
Automatic
Automatic
Drive Wheels
Four Wheel Drive
Four Wheel Drive
Fuel Economy
Fuel Economy (Combined, est.)
16 mpg est.
18 mpg est.
Fuel Economy - City (mpg)
14mpg
15 (Est)mpg
Fuel Economy - Highway (mpg)
18mpg
21 (Est)mpg
Fuel Tank Capacity (gal)
24gal
21gal
Dimensions
Length (in)
210.1in
197.1in
Width (in)
81in
78.7in
Height (in)
76.5in
77.2in
Wheelbase (in)
121in
112.2in
Curb Weight (lbs)
—
5675lbs
Towing & Payload
Towing Capacity (lbs)
8000lbs
9096lbs
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
—
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
Lexus GX
3 / 4 categories
Performance
Yukon
Fuel Economy
GX
Value
GX
Practicality
GX
Pros & Cons
GMC Yukon
Well-rounded specification
Higher fuel consumption (16 mpg est.)
Higher starting price
Lexus GX
Better fuel economy (18 mpg est.)
Lower starting price ($73,130)
Higher towing capacity (9096lbs)
Few notable weaknesses
Frequently Asked Questions
Which is more fuel efficient, the Yukon or GX?
The Yukon gets 16 mpg est. and the GX gets 18 mpg est. on the combined cycle. The GX 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 Yukon or GX?
The Yukon produces 420hp @ 5600 and 460lb-ft @ 4100 of torque while the GX delivers 349hp @ 4800 and 479lb-ft @ 2000 of torque. The Yukon is the more powerful option.
What is the price difference between the Yukon and GX?
The Yukon starts from $103,900 and the GX from $73,130. The GX is cheaper by $30,770 at this variant level. Final on-the-road pricing varies by dealer and specification.
Which has a higher towing capacity, the Yukon or GX?
The Yukon has a braked towing capacity of 8000lbs and the GX can tow 9096lbs. Always verify towing limits in the owner's manual before hitching a trailer.
Should I buy the Yukon or the GX?
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.