Overhead valve, two valves per cylinder, variable valve timing
Engine Output
Horsepower
355 hp
Torque
383 lb-ft
Fuel Economy
MPG (city)
15 mpg
MPG (highway)
20 mpg
Fuel System
Fuel tank capacity
24 gal
Headroom
Front headroom
42.3 in
Second-row headroom
38.9 in
Third-row headroom
38.2 in
Legroom
Front legroom
44.5 in
Second-row legroom
42 in
Third-row legroom
34.9 in
Shoulder Room
Front shoulder room
66 in
Second-row shoulder room
64.8 in
Third-row shoulder room
62.7 in
Steering
Steering type
Electric power-assisted rack-and-pinion
Turning radius (curb-to-curb)
19.1 ft
Suspension
Front suspension type
Independent coil-over-shocks and stabilizer bar
Rear suspension type
Independent multi-link with coil-over shocks and stabilizer bar
Tires
Tire size
P265/65R18
Transmission
Final drive ratio
3.2
Transmission speeds
10
Transmission type
automatic
Weights
Curb weight (maximum)
5922 lbs
Curb weight (minimum)
5677 lbs
Payload capacity
1702 lbs
Wheels
Wheel diameter
18 in
Wheel material
aluminum
Standard & optional equipment
Source: manufacturer press kit
Safety7 std · 2 opt
Forward Collision Alert
Automatic Emergency Braking
Following Distance Indicator
Front Pedestrian Braking
HD Rear Vision Camera
IntelliBeam automatic high beams
Rear Park Assist
Lane Change Alert with Side Blind Zone Alertoptional
Rear Cross Traffic Alertoptional
Ranked by what shoppers ask about first; standard equipment before options.
Transcribed from the manufacturer's official press kit for the 2023 Yukon. Confirm with the window sticker for a specific unit.
Factory warranty running out?
The 2023 GMC Yukon is in the years where transmission, electronics and drivetrain repairs land on the owner. What an extended plan does and does not cover is worth reading before a dealer quotes you one.
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Common questions about the SLE
Source: EPA, NHTSA and manufacturer press kits
What does the 2023 GMC Yukon SLE add over the SLE?
Against the SLE, 3 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.