This 2018 GMC Yukon XL SLT delivers the size, power, and comfort you need for family adventures and daily driving. With its bold white exterior and inviting cocoa and dune interior, this full-size SUV combines capable performance with a refined cabin experience. The 5.3L V8 Flex Fuel engine paired with a 6-speed automatic transmission provides the hauling and towing capability that defines this class of vehicle.
Features include:
- 8 diagonal color touch screen navigation with GMC Infotainment System and Apple CarPlay/Android Auto
- Premium Bose 9-speaker audio system with SiriusXM satellite radio
- Heated and ventilated driver and front passenger seats
- Heated leather-wrapped steering wheel
- Lane Keep Assist with Lane Departure Warning and Rear Cross-Traffic Alert
- Power liftgate and power door mirrors
- OnStar 4G LTE with navigation capability
- 18 bright machined aluminum wheels
- Full suite of safety features including dual front and side airbags, electronic stability control, and automatic emergency braking
This spacious Yukon XL offers three rows of seating with power-release split-folding capability, making it adaptable to your cargo and passenger needs. The SLT trim brings premium touches throughout with leather-appointed seats, automatic headlights, and a premium suspension package for a smooth ride. We deliver anywhere, so distance is never a barrier.
2018 GMC Yukon XL SLT
- Used
$24,270Internet Price
$24,399Price
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The full specifications
- Max seating capacity: 8
- Fuel System: Direct Injection
- Fuel tank capacity: 31 gal
- Horsepower: 355
Notes from the dealer
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- Title information
- Odometer readings
- Accident data (if applicable)
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- Recall information (if applicable)
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More about usKBB.com Consumer Reviews
- 5.0
Great overall family hauler!
by twitch on 9/20/2026 5:59:28 PM
Hello. A 23 year seasoned automotive repair professional here. Overall, this platform is very posh yet has that ‘truck toughness’, if and when you need it. Tows well and the rear locker certainly does its job, and is good at it. As well as the factory built in trailer brake. The MPG isn’t the greatest at 22 HWY/17 CITY (personal average) but you don’t buy this sort of vehicle for the fuel economy. It’s luxury, brawn, fit/finish and material durability don’t necessarily need ‘THE BEST LARGE SUV FUEL ECONOMY’ title. Leave that to the throw away over seas manufactures and other domestics that have made me a great living. 😉 Performance is above average. Very crisp and surprisingly quick acceleration for a vehicle of its size. (Coming from a previous owner of a 9 sec. 1/4 mile C6 Z06) The transmission is smooth with power delivery and with shifting. Like anything and any other vehicle, fluid maintenance is your friend here. Make sure the differentials, transfer case, engine coolant, brake fluid, trans filter and trans fluid drain and fills are done accordingly, like and when GM advises and you will see many miles, with no anxiety. Regular alignment checks are advised to keep those big 22” tires from shaving away at your wallet. I would recommend a fuel management disabler or a complete mechanical removal of it and switching out of the 0w20 oil, for longevity. 0w20 is not ideal for a big 6.2 V8 with the stresses it’s designed to take on. That’s where the ‘bad rep’ comes from. GM, like every auto manufacturer is required to have a mandatory average ‘MPG’ across the board, amongst all models. Thinner oil is part of what achieved that average with this truck for reasons unknown. I use Mobil 0w40 Supercar, ya know, the C8 ZR1/Z06 oil from the factory that flows and protects during a solid 12 hour race, at places like Sebring raceway? No real complaints from a Large 4WD Luxury SUV. (I’m referencing the 6.2 L86 V8, as that’s what I have) - 5.0
Excellent Quality SUV
by Joseph U on 1/16/2026 12:03:02 AM
My experience with the 2018 GMC Yukon Denali Sport, 6.2, is that it is an amazing machine! Zero Recalls! The powerful 6.2 gas engine is incredible. 5 stars all the way! - 5.0
Great truck
by Bob R on 11/20/2025 4:41:53 PM
With the 6.3 engine it has more power than I will ever need great modern leather! It has 120,0000 mile runs like a top we change the oil regularly and it rides as good as our Cadillac did! It probably needs shocks about now but this has been a great truck!
Disclaimer:
The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
1Dealer Discount applied to everyone
1Dealer Discount applied to everyone