GMC’s order guides for the 2027 Yukon and Yukon XL are out, and while this isn’t a redesign year, there’s a long list of changes worth understanding before you sit down to build one.
There’s a new exterior color, a pair of fresh wheel designs, an all-new Elevation package that reorganizes how the base trim is equipped, Super Cruise going standard on Denali, and a whole lot of “this option now requires that package” reshuffling. If you’ve ever tried to spec one of these on the configurator and hit a wall because two boxes wouldn’t check together, this is the stuff that explains why.
If any of this feels familiar, it should. The Yukon shares its bones with the Chevrolet Tahoe and Suburban, which got their own set of 2027 order-guide changes. If you’re cross-shopping the GM full-size SUV family, it’s worth reading our breakdown of what’s new on the 2027 Tahoe and Suburban alongside this one, because the two brands took slightly different paths to a similar destination.
New for 2027: Coastal Dune, a New Elevation Package, and Two Fresh Wheels
The headline new feature is a new exterior color: Coastal Dune (G42), a warm, sandy tone available only on the off-road-flavored AT4 and AT4 Ultimate. It’s an extra-charge color and it is not offered on Elevation, Denali, or Denali Ultimate, so if you want it, you’re buying an AT4.
The bigger structural addition is the new Elevation Preferred Package (PCX). This one package becomes the backbone of how the Elevation trim is equipped for 2027, bundling together content that used to be scattered across standalone options. More on exactly what it pulls in below.
Wheel shoppers get two new designs. The 20-inch machined and painted Deep Void Metallic wheels (R4S) arrive on Denali, and the 22-inch 7-spoke ultra-bright machined wheels with After Midnight Metallic and high-gloss black inserts (R4K) show up on Denali Ultimate. Both replace outgoing designs we’ll cover in the deletions section.
Elevation: One Package to Rule Them All
The Elevation Preferred Package (PCX) is the single most important change on the base trim, because so much now flows through it. The Technology Package (CWM) is now included with PCX when you order the 5.3L gas V8, and it’s included and only available through PCX when you order the Duramax diesel. Super Cruise (UKL) is likewise now included and only available with PCX, so hands-free driving on an Elevation runs through that one box.
The power panoramic sunroof (C3U) now requires the Technology Package and comes included with PCX. The power-sliding center console (DCH) is now included and only available with PCX, and only when you add the second-row power bucket seats (ATN). Speaking of those buckets, the good news is ATN no longer requires the power-sliding console to be ordered alongside it, so that pairing is finally unlocked.
There’s also an engine gate to know about: the Duramax 3.0L Turbo-Diesel (LZ0) on Elevation now requires either the Elevation Preferred Package (PCX) or the step-up Elevation Premium Package (RGD). You can no longer order the diesel on a stripped Elevation.
That Elevation Premium Package (RGD) got busier too. It now bundles in the Preferred Package (PCX), the Max Trailering Package (NHT), and 22-inch polished aluminum wheels (SII), and it adds the Rear Seat Media System (UW9) when the diesel is ordered. A few items that used to be orderable on their own are now locked to RGD: the 22-inch polished wheels (SII) were a free-flow option in 26MY and are now included and only available with RGD, and the Max Trailering Package (NHT) is likewise now included and only available with RGD. The Rear Seat Media System (UW9) on Elevation now requires RGD with the gas V8, and is included with RGD on the diesel.
AT4: Super Cruise and the Diesel Move Behind Packages
The AT4 trim saw the most reshuffling. The Technology Package (CWM) no longer includes the second-row power bucket seats (ATN) or the power-sliding center console (DCH). Instead, CWM is now included with the AT4 Premium Package (RGM) on the 5.3L or 6.2L gas V8s, and included and only available through RGM on the diesel.
That AT4 Premium Package (RGM) now bundles the Technology Package (CWM), the power sunroof (C3U), and Super Cruise (UKL), and it adds the power-sliding console (DCH) when the second-row buckets (ATN) are ordered. Above it, the AT4 Premium Plus Package (PEH) now includes RGM plus the Max Trailering Package (NHT), the Premium Capability Package with Active Response 4WD (Z6E), the Enhanced Trailering and Technology Package (ZM1), and power-retractable assist steps (B3L).
A genuine win for AT4 buyers: the second-row power bucket seats (ATN) are now a free-flow option with no restrictions at all, so you can add them without chasing a package. On the flip side, several items moved behind RGM. Super Cruise (UKL) is now included and only available with the AT4 Premium Package. The power sunroof (C3U) now requires the Technology Package (it stays included in RGM and still requires a gas engine). And the Duramax diesel (LZ0) on AT4 now requires either the AT4 Premium Package (RGM) or the AT4 Premium Plus Package (PEH).
One quirk worth flagging: the Rear Seat Media System (UW9) is no longer included in the AT4 Premium Plus Package. For 2027 it requires PEH but is not available with the Technology Package (CWM), the AT4 Premium Package (RGM), or the power sunroof (C3U). If rear-seat screens matter to your family, walk through that combination carefully with your dealer.
Denali: Super Cruise Is Now Standard
The best news on the luxury end is simple: Super Cruise (UKL) is now standard on Denali. GM’s hands-free highway driving system, which now covers well over 750,000 miles of compatible North American roads, no longer costs extra on the trim where most buyers wanted it anyway.
The package content behind Denali got consolidated too. The Advanced Technology Package (CWN) now bundles the Rear Camera Mirror (DRZ), the Advanced Security Package (NWM), the Max Trailering Package (NHT), and the Enhanced Trailering Technology Package (ZM1) into one box. The Denali Reserve Package (PCN) now includes the Rear Seat Media System (UW9), and it’s now available with the diesel alongside either the second-row power bucket seats (ATN) or the second-row 60/40 split-bench (ATT).
Seating and engine rules tightened up in step. The 60/40 split-bench (ATT) on Denali now requires either the Advanced Technology Package (CWN) or the Denali Reserve Package (PCN) when paired with the diesel. The Duramax diesel (LZ0) itself now requires CWN or PCN, ordered with either the split-bench (ATT) or the power buckets (ATN). And the Air Ride Adaptive Suspension (F47) now requires the Sun & Power Step Package (RGN) on 4WD models.
Both Ultimates Get Enhanced Trailering Standard
On the flagship AT4 Ultimate and Denali Ultimate, the Enhanced Trailering and Technology Package (ZM1) is now standard equipment. In the 2026 model year it was included and only available with Night Vision (UV3), so tying it into the trim as standard content is a straightforward upgrade for the top two Yukons.
Cosmetic and Content Details Worth Knowing
A few smaller changes round out the order guide. Bright front and rear door sill plates (C3Q) are now standard on every equipment group. Black assist steps (BVE) no longer include the gloss black insert. And across every trim, the Rear Seat Media System (UW9) no longer comes with the two Bluetooth headphones that used to be part of the package, so plan on supplying your own if the kids are used to them.
What’s Been Deleted for 2027
A fair number of items are leaving the order guide entirely. On the color side, Midnight Pine (GBD) is discontinued. Several packages are gone: the Super Cruise and Trailering Package (PCL), the Premium Trailering Package (RG7), the AT4 Preferred Package (PDN), and the AT4 8-Passenger Premium Off-Road Package (PCR).
Two wheel designs are retired: the 20-inch machined wheels painted Talos Bronze Metallic (RSL) and the 22-inch 7-spoke ultra-bright wheels with bright chrome inserts and After Midnight Metallic (SMR), effectively replaced by the new R4S and R4K designs noted up top. On the accessory side, the Interior Protection Package LPO (RGH) and the first- and second-row all-weather floor mats LPO (VAV) are both deleted. If any of those were on your must-have list, now’s the time to check with your dealer on remaining 2026 inventory.
Yukon vs. Yukon XL: The Size Story
Since the two share all of the 2027 equipment changes, the choice between them still comes down to footprint. The Yukon XL stretches the wheelbase to 134 inches and overall length to 225.2 inches, versus 121 inches and 210.1 inches for the standard Yukon, and that extra sheetmetal pays off in cargo room behind the third row.
| Spec (4WD) | 2027 Yukon | 2027 Yukon XL |
|---|---|---|
| Wheelbase | 121 in | 134 in |
| Overall length | 210.1 in | 225.2 in |
| Cargo behind 3rd row | 25.5 cu ft | 41.5 cu ft |
| Cargo behind 1st row (max) | 122.8 cu ft | 144.5 cu ft |
| Fuel capacity | 24 gal | 28 gal |
| Max trailering (with NHT) | 8,200 lbs | 8,000 lbs |
Under the hood, both trucks carry the same three engines: the 5.3L EcoTec3 V8 (L84), the 6.2L EcoTec3 V8 (L87), and the Duramax 3.0L Turbo-Diesel (LZ0), all paired with a 10-speed automatic. Just remember that for 2027, getting that diesel now means stepping into one of the packages on every trim.
The Bottom Line
None of this adds up to a redesign, but it’s a meaningful reworking of how the Yukon and Yukon XL are packaged. The direction is clear: Super Cruise keeps marching toward standard equipment (it’s now free on Denali), the new Elevation Preferred Package becomes the organizing spine of the base trim, the AT4 unbundles a few things while gating Super Cruise and the diesel behind its Premium Package, and diesel availability now runs through a package on every trim. Off-roaders get a sharp new Coastal Dune color to show for it.
For anyone decoding the alphabet soup on their own build sheet, our RPO code reference is a good place to cross-check anything you spot on a window sticker.
Got a 2027 Yukon or Yukon XL on order, or are you weighing trims based on these changes? Head over to the Tahoe / Suburban / Yukon / Escalade forum and compare notes with other owners and buyers working through the same order guide.
Zane Merva is the Executive Editor of GM-Trucks.com and the President of the New England Motor Press Association (NEMPA). A veteran automotive journalist with over 26 years of experience, Zane is a designated ‘Car Talk’ Expert and has been a contributor to The Boston Globe. He possesses a unique evaluative perspective, having road-tested more than 2,000 vehicles across every major manufacturer. While he is a recognized authority on General Motors truck platforms—including the Silverado, Sierra, and Colorado—his expertise is grounded in decades of deep competitive analysis that few in the industry can match. His commentary has been featured by major OEMs and media outlets, including Hyundai and PR Newswire