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2015 GMC Sierra 1500 Review

The 2015 GMC Sierra 1500 finishes near the top of our full-size truck rankings. It's a powerful and capable pickup with a quiet and comfortable interior, making it one of the best choices in the class.

Pros & Cons

  • Upscale cabin
  • Powerful V8 engines
  • Responsive steering
  • Available infotainment system can be sluggish




Critics' Rating: 8.7
Performance: 8.1
Interior: 8.6
Total Cost of Ownership: 8.3
Safety: 9.8
J.D. Power Ratings Logo

2015 GMC Sierra 1500 Overview

Is the 2015 GMC Sierra 1500 a Good Used Truck?

Yes, the 2015 Sierra 1500 is a good full-size pickup truck. It comes with a capable V6 engine. Two available V8s are much more powerful, and they deliver good towing and hauling capabilities. This truck rides smoothly, and thanks to its quiet and upscale cabin, it looks and feels more luxurious than some of its classmates. The seats are comfortable, and there are plenty of available features. The Sierra also boasts a good reliability rating. In short, this is one of the most well-rounded full-size pickups.

Why You Can Trust Us

Our GMC Sierra review includes far more than just one person's opinion. We collected professional evaluations from 20 sources and combined them with concrete data like fuel economy estimates, safety features, and performance specs to help you make an informed buying decision.

The U.S. News Best Cars team has been ranking cars, trucks, and SUVs since 2007, and our staff has more than 75 years of automotive industry experience. To ensure our impartiality, we never accept expensive gifts or trips from car companies, and an outside team handles the advertising on our site.

How Much Is the 2015 GMC Sierra 1500?

Based on more than 3,500 listings on our site, you can expect to pay between $25,000 and $40,000 for a used 2015 Sierra 1500. The average list price is $32,600, but the amount you pay depends on the vehicle’s mileage, condition, location, and features.

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How Much Does the 2015 GMC Sierra 1500 Cost to Own?

Expenses for fuel, insurance, maintenance, and repairs for the 2015 Sierra are estimated to be around $29,800 over five years, or about $5,960 per year. That’s about average for the class.

Is It Better to Buy a Used or New GMC Sierra 1500?

Although the 2015 Sierra 1500 costs about $7,600 less than the price of a base model from 2019, GMC completely redesigned the Sierra for 2019. There are two new trims (Elevation and AT4) as well as two new engine options: a turbocharged four-cylinder and a turbo diesel. The 2019 model also gets some newly available driver assistance features, including a surround-view camera, pedestrian detection, and a head-up display. You can potentially save thousands of dollars with a used model, but you'll miss out on all of the recent updates.

Read about the new Sierra 1500 »

Every new full-size truck has a base price within the 2015 Sierra's price range, including the 2019 Ford F-150, Ram 1500, Chevrolet Silverado, Nissan Titan, and Toyota Tundra. All of these models offer more technology than the 2015 Sierra, and many have higher towing and hauling capacities as well as more bed features. The 2015 Sierra is a good buy, but if you want modern tech features, there are plenty of options.

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Which Model Year of the GMC Sierra 1500 Is Best?

GMC fully redesigned the Sierra for 2014, and the pickup saw only minor changes over the ensuing few years. The 2015 Sierra gained a Wi-Fi hot spot and added magnetic ride control to the Denali trim, while the 2016 model introduced Apple CarPlay and Android Auto as options. If any of those features is important to you, you'll want to focus on the model year they became available. But keep in mind you can likely save money by shopping for an older Sierra 1500.

Compare the 2014, 2015, and 2016 Sierra 1500 »

How Reliable Is the 2015 GMC Sierra 1500?

The 2015 Sierra has a good reliability rating of four out of five from J.D. Power. That's one of the highest ratings among full-size trucks.

Read more about Sierra reliability »

2015 GMC Sierra 1500 Recalls

As of this writing, 15 recalls have been issued for the 2015 Sierra. They address problems related to the power steering system, front air bags, front seats, fuel pump, and more. Before buying this vehicle, make sure these recalls have been addressed.

See more information on GMC Sierra 1500 safety recalls »

Which Used GMC Sierra 1500 Model Is Right for Me?

The 2015 GMC Sierra is available in four trim levels: Sierra (base), SLE, SLT, and Denali. You can also choose from several powertrain, cab, and bed configurations to fit your needs; there are three of each, so there are plenty of combinations.

Trim-wise, the best value is a Sierra SLT. In addition to a touch-screen infotainment system, a rearview camera, and satellite radio that you can get on the lower trims, the SLT adds standard leather seats and the smaller of the two V8 engines. You’ll also get features like remote start and dual-zone automatic climate control.

See 2015 GMC Sierra 1500 trims and specs »

What Does GMC's Certified Pre-Owned Warranty Cover?

GMC offers a certified pre-owned program for vehicles six years old or less and with fewer than 75,000 miles. Eligibility is determined by the vehicle’s initial sale date. For its certified pre-owned models, GMC extends its original new-car limited powertrain warranty to six years or 100,000 miles from the original sale date. CPO models also get a one-year/12,000-mile bumper-to-bumper limited warranty after the three-year/36,000-mile new-car warranty expires. Qualifying vehicles also get free maintenance for two years or 24,000 miles. GMC CPO vehicles must pass a 172-point inspection. Additional benefits like towing and roadside assistance may be available, so read GMC’s warranty page carefully.

According to our analysis, GMC has a decent CPO program compared with other affordable car manufacturers.

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How Safe Is the Sierra 1500?

The Insurance Institute for Highway Safety gave the 2015 Sierra the highest rating of Good in four crash tests. The National Highway Traffic Safety Administration gave the 2015 Sierra an overall rating of five out of five stars.

There aren't any notable driver assistance features that come standard in the Sierra, but there is a long list of available features. These include a rearview camera, front and rear parking sensors, forward collision alert, lane departure warning, and a Safety Alert Seat, which vibrates to notify the driver of potential hazards in the truck's path.

See Sierra safety scores »

2015 GMC Sierra 1500 Versus the Competition

Which Is Better: 2015 GMC Sierra 1500 or 2015 Chevrolet Silverado 1500?

The 2015 Chevrolet Silverado 1500 and the Sierra are both made by General Motors. In fact, they’re almost twins. They have similar powertrains, towing and hauling capacities, and features. Both trucks offer good performance and receive great reliability ratings. The Sierra was designed to be the more luxurious pickup, and no Silverado can match the opulence of the Sierra Denali. However, the Silverado’s cabin isn’t just a cut-rate version of the Sierra’s, and you can likely find a Silverado for less than what you’d pay for a Sierra. Both trucks are great choices.

Which Is Better: 2015 GMC Sierra 1500 or 2015 Ford F-150?

The 2015 Ford F-150 is consistently one of our highest-rated trucks, thanks to a lineup of muscular engines that give it among the best towing and payload capacities in the class. Ford's full-size pickup also has poised and responsive handling. For interior comfort and quality, the Sierra bests the F-150, but both trucks earn praise for their features and technology. Pick the one that best fits your needs.

Compare the Sierra 1500, Silverado 1500, and F-150 »

2015 Sierra 1500 Performance

How Does the 2015 GMC Sierra 1500 Drive?

The 2015 Sierra comes with a 285-horsepower V6, but it's available with 355- and 420-horsepower V8s. The V6 does fine for everyday driving and some light-duty work. But if you plan to regularly tow or haul heavy loads, we recommend stepping up to one of the V8 engines, which are substantially more powerful. When properly equipped, the Sierra 1500 can tow up to 12,000 pounds and haul up to 2,270 pounds.

Trucks aren't known for their agility, but this GMC keeps its composure on winding roads. It rides smoothly around town and on the highway. The range-topping Denali trim comes with a Magnetic Ride Control suspension and has one of the smoothest rides you’ll find in this class.

Does the 2015 GMC Sierra 1500 Get Good Gas Mileage?

The 2015 Sierra's fuel economy ratings are in line with most of its competitors. With the base engine, the Sierra gets 18 mpg in the city and 24 mpg on the highway. As you might guess, the V8s aren't quite as fuel-efficient. Models with the larger V8 get the worst gas mileage of any Sierra, earning 15 mpg in the city and 21 mpg on the highway.

Read more about Sierra 1500 performance »

2015 Sierra 1500 Interior

How Many People Does the 2015 Sierra 1500 Seat?

GMC Sierra Regular Cab models seat three, while Double Cab and Crew Cab models seat up to six. The base trim comes with either cloth or vinyl upholstery. Leather upholstery, front bucket seats, a heated steering wheel, power-adjustable pedals, and heated and cooled front seats are available.

The front seats are roomy and supportive, and it's easy for the driver to find a comfortable seating position. Crew Cab models have roomier rear seats, but adults can fit in the back seats of Double Cab models as well.

How Many Car Seats Fit in the 2015 GMC Sierra 1500?

In models with rear seats, there are two full sets of LATCH connectors for installing car seats. The system received the lowest rating of Poor from the Insurance Institute for Highway Safety. The lower anchors are set too deeply in the seats, and they're difficult to maneuver around. Additionally, the tether anchors are hard to find and easily confused with other hardware.

2015 GMC Sierra 1500 Features

The Silverado's standard audio system features a 4.2-inch display, two USB ports, and an auxiliary input jack.

Available features include power windows, a sunroof, dual-zone automatic climate control, a 110-volt household-style power outlet, and GMC's IntelliLink infotainment system with either the standard display or an 8-inch touch screen, a six-speaker Bose audio system (seven speakers when the truck is equipped with front bucket seats), satellite radio, Bluetooth, navigation, and a Wi-Fi hot spot.

The available touch screen can be slow to respond to inputs.

See 2015 GMC Sierra 1500 specs »

Read more about Sierra 1500 interior »

2015 GMC Sierra 1500 Dimensions

GMC Sierra 1500 Cargo Space

The Sierra offers three bed lengths: 5-foot-8-inch, 6-foot-6-inch, and 8-foot. Not every bed is available with every cab style. There's an integrated step in the corner of the rear bumper and a number of bed features to aid with loading and carrying cargo, including fixed tie downs and an EZ Lift-and-Lower tailgate, which lets you open or close the tailgate without much effort. With the Sierra's two-tier loading system, you can insert a platform in the bed to separate it into upper and lower sections.

2015 Sierra 1500 Length and Weight

The 2015 Sierra's length ranges from 17 feet to just under 20 feet, depending on cab and bed configuration. Its curb weight ranges from 4,521 to 5,599 pounds.

Where Was the 2015 GMC Sierra 1500 Built?

GMC built 2015 Sierras alongside the 2015 Chevrolet Silverado 1500 at plants in Indiana, Michigan, and Mexico.

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