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2021 GMC Yukon Overview, Reviews, Ratings & Specs

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Drew B | September 25, 2025
The 2021 GMC Yukon is a full-size SUV, part of the fifth generation that debuted in 2020. It offers a spacious, truck-based body-on-frame design, appealing to those needing passenger and cargo capacity. Key trims include SLE, SLT, AT4, and Denali. Pricing ranged from approximately $52,000 to $75,000 when new. The Yukon's popularity stems from its upscale styling, powerful engine options, and improved ride quality compared to previous generations, thanks to the independent rear suspension.
The Good

The 2021 GMC Yukon offers a blend of power and comfort. Its powerful engine options (including the 6.2L V8) provide confident performance and towing capability (practical appeal). The redesigned interior and improved ride quality enhance comfort (emotional appeal). The Denali trim exudes luxury, while the AT4 provides rugged styling. Reliability has improved, although some issues persist.

The Bad

Potential weaknesses of the 2021 GMC Yukon include its large size, which can make it difficult to maneuver in tight spaces. Fuel economy, especially with the larger engines, is not a strong point. Some owners have reported issues with the infotainment system and electrical glitches. The independent rear suspension, while improving ride, adds complexity that might lead to future repairs. The higher trims are expensive.

2021 GMC Yukon: Quick Overview

  • Engine Options:
    • 5.3L V8: Standard on SLE, SLT, and AT4.
    • 6.2L V8: Standard on Denali, optional on AT4.
    • 3.0L Duramax Turbo-Diesel: Available on SLE, SLT, AT4, and Denali.
  • Horsepower:
    • 5.3L V8: 355 hp
    • 6.2L V8: 420 hp
    • 3.0L Duramax Turbo-Diesel: 277 hp
  • Fuel Economy (EPA Estimated):
    • 5.3L V8: 16 city / 20 highway mpg (RWD)
    • 6.2L V8: 15 city / 20 highway mpg (RWD)
    • 3.0L Duramax Turbo-Diesel: 21 city / 27 highway mpg (RWD)
  • 0-60 Times:
    • 5.3L V8: Around 7.3 seconds
    • 6.2L V8: Around 6.0 seconds
    • 3.0L Duramax Turbo-Diesel: Around 8.0 seconds
  • Towing Capacity: Up to 8,400 lbs (depending on configuration)
  • Trim-Level Features:
    • SLE: Cloth upholstery, 10.2-inch touchscreen, Apple CarPlay/Android Auto, tri-zone automatic climate control.
    • SLT: Leather upholstery, heated front seats, Bose audio system, hands-free liftgate.
    • AT4: Four-wheel drive, skid plates, off-road suspension, unique styling cues.
    • Denali: Unique grille and interior trim, adaptive suspension, premium leather, power-folding rear seats, head-up display.

2021 GMC Yukon Specifications

Vehicle Information
Year 2021
Make GMC
Model Yukon
Trim -
Style -
Type Minivan
Category Standard Sport Utility Vehicle
Manufacturing Details
Made In United States
Manufacturing City SPRINGHILL
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating 8000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating 7
Engine & Performance
Engine LM2 - CRI, L-6 VGT, Aluminum
Engine Size 3L
Engine Cylinders 6
Transmission -
Transmission Type Automatic
Transmission Speeds -
Drivetrain Four-Wheel Drive
Additional Features
Anti-Brake System Standard
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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Analysis

What Problems Does the 2021 GMC Yukon Have?

The 2021 GMC Yukon has faced some frequently reported problems. Some owners have reported issues with the infotainment system, including glitches, freezing, and slow response times. Electrical issues, such as problems with the sensors and wiring, have also been noted. Some drivers have reported transmission problems, including rough shifting and hesitation. There have been reports of malfunctioning air conditioning systems, particularly related to sensor issues. Additionally, some owners have experienced issues with the adaptive cruise control and other driver-assistance features.

While there might be recalls for certain issues, it's important to check the NHTSA website for specific recalls related to the VIN. Long-term reliability is still being assessed, but it is always wise to maintain the vehicle with scheduled maintenance and repairs.

Model years close to the launch of a new generation often have some initial hiccups; therefore, keeping up with maintenance and addressing any issues promptly is critical for long-term ownership.

How long will the 2021 GMC Yukon last?

With regular maintenance, the 2021 GMC Yukon can reasonably be expected to provide 200,000 miles or 10-15 years of service. Proper maintenance habits, including timely oil changes, fluid checks, and addressing repairs promptly, are crucial. Potential long-term durability concerns may revolve around the complex infotainment system, the electronic components of the advanced driver-assistance systems, and the air suspension (if equipped on Denali trims). Rust can also become an issue in colder climates if not properly addressed with undercoating and regular washing. The 10-speed automatic transmission should be serviced regularly to ensure long life.

What Technology & Safety Features are Included?

The 2021 GMC Yukon boasts a comprehensive suite of technology and safety features. Standard features include a 10.2-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, as well as tri-zone automatic climate control. Higher trims add features such as a Bose audio system, a head-up display, and a rear-seat entertainment system with dual 12.6-inch screens.

Driver-assistance features include standard forward collision alert, automatic emergency braking, lane keep assist with lane departure warning, and rear park assist. Optional features include adaptive cruise control, blind-spot monitoring, rear cross-traffic alert, and a surround-view camera system.

Safety features encompass a suite of airbags, stability control, and traction control. The NHTSA (National Highway Traffic Safety Administration) and IIHS (Insurance Institute for Highway Safety) conduct crash tests, and the 2021 Yukon's ratings should be consulted for specific performance. These ratings consider performance in frontal, side, and rollover crash tests, as well as the effectiveness of its safety features.

What Colors Options are Available?

Exterior Colors
Summit White
Onyx Black
Satin Steel Metallic
Dark Sky Metallic
Cayenne Red Tintcoat
Midnight Blue Metallic
Hunter Metallic
Mahogany Red Metallic
Interior Colors
Jet Black
Gideon/Very Dark Atmosphere
Dark Walnut/Very Dark Atmosphere

2021 GMC Yukon Prices and Market Value

The 2021 GMC Yukon had a starting MSRP around $52,000, with higher trims like the Denali exceeding $75,000 when new. Current used market prices vary depending on mileage, condition, and trim, generally ranging from $40,000 to $65,000. Depreciation is influenced by factors such as mileage, condition, and demand for large SUVs. Well-maintained Yukons, particularly Denali models with desirable features, tend to hold their value better. Higher mileage and accident history significantly reduce resale value. The AT4 trim might also hold value slightly better because of its unique off-road oriented features. Generally, large SUVs depreciate faster than smaller vehicles.

2021 GMC Yukon Cost of Ownership

The 2021 GMC Yukon is generally costly to own. Insurance premiums are higher due to its size and value. Fuel consumption, especially with the V8 engines, can be significant. Maintenance costs are moderate, but repairs, particularly for complex systems like the infotainment or adaptive suspension, can be expensive. Long-term ownership costs, including potential repairs, make it a less economical choice compared to smaller, more fuel-efficient vehicles. Factor in tire replacement, brake service, and routine maintenance when considering the overall cost of ownership.

2021 GMC Yukon Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

2021 GMC Yukon Safety Rating

NHTSA
Overall Rating
Overall Frontal Star Rating
Side Overall Star Rating
Overall Rollover Star Rating
Combined Front Seat Rating
Combined Rear Seat Rating
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating
Side Barrier Star Ratings
Side Pole Star Rating
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2021 GMC Yukon Insurance

Insurance for a 2021 GMC Yukon is moderately priced, reflecting its status as a Minivan with strong safety ratings and
reasonable repair costs.

How Does the 2021 GMC Yukon Compare to Other Minivan?

The 2021 GMC Yukon competes with the Chevrolet Tahoe/Suburban, Ford Expedition, Nissan Armada, and Jeep Wagoneer.

Performance: The Yukon's engine options are competitive, with the 6.2L V8 offering strong acceleration. The Ford Expedition's turbocharged V6 offers comparable power.

Features: The Yukon offers a similar range of features to its rivals, with the Denali trim providing upscale amenities. The Jeep Wagoneer and Grand Wagoneer offer more luxurious interiors.

Reliability: Reliability ratings vary, but the Yukon has historically been similar to the Tahoe and Expedition. The Nissan Armada has a reputation for strong reliability.

Price: The Yukon's price is generally in line with its competitors. The Tahoe is typically slightly less expensive, while the Wagoneer and Grand Wagoneer can be more expensive, especially in higher trims.

Alternatives:
  • Ford Expedition: Good performance and updated features.
  • Chevrolet Tahoe/Suburban: Offers similar capabilities at a potentially lower price.
  • Jeep Wagoneer/Grand Wagoneer: Provides a more luxurious and refined experience.
Depending on specific needs and priorities, each of these alternatives could be a better choice.

Final Verdict: Is the 2021 GMC Yukon a Good Minivan?

The 2021 GMC Yukon is ideal for large families needing ample passenger and cargo space, and those who frequently tow. It's worth buying if you prioritize a comfortable ride, powerful engine options, and upscale styling. A used model represents better value due to depreciation. Consider the SLT or AT4 trims for a balance of features and price. The Denali is luxurious but comes at a premium. Thoroughly inspect any used Yukon for maintenance history and potential issues, especially with the infotainment system and electronic components. If you don't need the Yukon's size or towing capacity, a smaller SUV or minivan may be a more practical and economical choice.

2021 GMC Yukon Owner Reviews

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma