What engine does the GMC Yukon have, and is it a V8 in Oklahoma City?

Yes, the GMC Yukon has a V8, and the engine you get depends on the trim and model year you choose. The EPA record for the 2026 model year lists a 6.2-liter V8, a 5.3-liter V8 and a 3.0-liter diesel six. At Bob Howard Buick GMC on Broadway Extension in Oklahoma City, we sell new Yukons and Yukon XLs, and the store holds a 4.4-star Google rating across 3,983 reviews (Google, 2026).

Keep reading below, then schedule a test drive in Oklahoma City. Bringing your own numbers to the lot settles this faster than any spec sheet.

Does the GMC Yukon have a V8 engine?

Yes. The 2026 GMC Yukon’s gasoline engines are V8s, a 6.2-liter and a 5.3-liter, according to the EPA certification record (EPA, 2026). The only engine in that record without eight cylinders is the 3.0-liter diesel, which has six.

Both V8s appear on the Yukon and the Yukon XL, in rear-wheel drive and four-wheel drive. So the real decision is which V8 and which drivetrain, and that is easier to judge behind the wheel than on a spec sheet.

What engine comes in each 2026 GMC Yukon trim?

The 2026 Yukon and Yukon XL each offer a choice of engines and drivetrains. The EPA record lists the 6.2-liter V8, the 5.3-liter V8 and the 3.0-liter diesel in both 2WD and 4WD, for the Yukon and the Yukon XL.

Starting prices, according to gmc.com, run from $69,600 for the Elevation to $103,900 for the Denali Ultimate.

Pick the engine and drivetrain first, then check which trims fit your budget.

Does the GMC Yukon come with a diesel engine?

Yes. The 3.0-liter diesel is one of the engines in the 2026 Yukon and Yukon XL, and it posts the highest combined figure of the three engines in the EPA record. In rear-wheel drive it is rated 21 city, 26 highway and 23 combined. Those figures are the same for the Yukon and the Yukon XL.

If highway range or the cost of a daily commute matters most to you, ask for the diesel by name when you call or book a visit.

How much can a GMC Yukon tow with its V8?

Towing depends on the engine, the drivetrain and the configuration, so the rating for your exact truck is the number to confirm before you plan a trailer. A V8 rating does not carry over to the diesel or to the other drivetrain, because each configuration carries its own figure. Confirm the rating for the configuration you are considering with GMC before you buy, and bring your trailer weight to the test drive so you can check it against the truck.

What fuel economy does the Yukon V8 get?

The 5.3-liter V8 in 2WD is rated 15 city, 20 highway and 17 combined on the Yukon, according to the EPA record. The full set of Yukon V8 figures is below.

On the Yukon XL the figures shift slightly. Its rear-wheel-drive 6.2-liter is rated 16 combined, with 15 city and 19 highway, and its four-wheel-drive 5.3-liter is also rated 16 combined, with 14 city and 19 highway. Every gasoline V8 row is rated 14 or 15 city, while the diesel is rated 20 or 21 city.

What is the difference between the Yukon and the Yukon XL?

The Yukon and the Yukon XL carry the same three engines in the 2026 EPA record: the 6.2-liter V8, the 5.3-liter V8 and the 3.0-liter diesel, each in 2WD and 4WD. The difference shows up in a few fuel economy rows. The rear-wheel-drive Yukon XL with the 6.2-liter is rated 16 combined, while the Yukon with the same engine and drivetrain is rated 17 combined, at 15 city and 20 highway. Check the figure for the exact body and engine you are weighing before you choose.

Where can you test drive a GMC Yukon in Oklahoma City?

You can test drive a new GMC Yukon or Yukon XL at our Oklahoma City store, Bob Howard Buick GMC. Test drives can be reserved online or by contacting the store. The new-vehicle listings show MSRP, dealer discount, documentation fee and sale price for each unit, so you see the price before you drive.

One customer described the sales visit this way. Kailyn Riffel wrote in a 5-star Google review from July 2026: “We had a great experience at Bob Howard’s. Wayne our sales professional was very good and patient during our experience.”

Google ratings and review counts for the Buick and GMC dealers in and around Oklahoma City, from Google, 2026:

Frequently asked questions

Which GMC Yukon trim has the biggest V8?

The 6.2-liter is the larger V8 in the 2026 EPA record. That record ties each engine to a drivetrain, not to a trim name. Ask us which engine a specific Yukon carries before you choose.

Does a certified pre-owned GMC Yukon carry an engine warranty?

Our Buick and GMC certified pre-owned vehicles carry an extended powertrain limited warranty and a bumper-to-bumper limited warranty. Test drives on certified pre-owned units can be reserved online or by contacting the store.

How can you find out what your trade-in is worth toward a Yukon?

Our online trade tool returns a price from a license plate, a VIN, or a make and model. The page describes the result as an instant offer, and the trade-in value is valid for seven days or up to 250 miles.

Can you lease a new GMC Yukon in Oklahoma City?

We offer new Buick and GMC leases alongside new and pre-owned financing. A leased vehicle can be bought out at any time during the lease.

Can you finance a Yukon online before visiting the dealership?

A secure finance application can be completed online. The trade-in offer amount can be entered into the payment calculator, so you can work through the numbers before your visit.

What warranty comes with a new GMC Yukon?

According to gmc.com, the basic warranty is 3 years or 36,000 miles, whichever comes first. The powertrain warranty is typically 5 years or 60,000 miles, whichever comes first, though other durations are available.

Reserve a Yukon test drive online with Bob Howard Buick GMC

We hold a 4.4-star Google rating across 3,983 reviews, and 79 in 100 of them are five-star. In an August 2026 Google review, Dana Grapengater gave 5 stars and wrote: “Don did a terrific job in my purchase of my 2026 GMC Yukon. I felt he worked for and with me to make my purchase happen.” Reace Wilson, in a 5-star Google review from July 2026, wrote: “Worked with Eddie at Buick gmc, he was absolutely amazing.” Those are two customers’ visits, and both were about the people who sold them the truck.

Bob Howard Buick GMC answers the V8 question in the driver’s seat, here in north Oklahoma City. Start online for a reserved test drive, or call the store to set a time. Reserve a Yukon test drive →

Bob Howard Buick GMC answers this question against the specific vehicle in front of you rather than the model in general. Value your trade and get pre-approved online, then see us at our Oklahoma City showroom, or call (405) 928-0697.

Disclaimer: Vehicle features, specifications, pricing, options, and availability may vary based on production timelines and dealership inventory; images are for illustrative purposes only. Starting MSRP figures are national and exclude destination freight charges, tax, title, license, and dealer fees. Standard and available equipment varies by trim, configuration, and model year; confirm the specification of the individual vehicle before purchase. Maximum towing and payload ratings depend on cab, bed, drivetrain, and equipment configuration; see the vehicle’s Owner’s Manual and trailering guide for limits. Electric range and charging times vary with battery, configuration, temperature, terrain, load, and driving habits. Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Financing and pre-approval are subject to credit approval. Contact Bob Howard Buick GMC for complete details regarding current vehicle inventory, pricing, and equipment.