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2021 GMC Yukon AT4 vs. Denali

iSeeCars' unbiased and data-driven comparison of the 2021 GMC Yukon AT4 and 2021 GMC Yukon Denali contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the 2021 GMC Yukon AT4 and the 2021 GMC Yukon Denali.

When comparing the 2021 GMC Yukon AT4's and the 2021 GMC Yukon Denali's specifications and ratings, the 2021 GMC Yukon AT4 has the advantage in the area of typical lower range of pricing for used cars. The 2021 GMC Yukon Denali has the advantage in the area of base engine power. The 2021 GMC Yukon AT4 and 2021 GMC Yukon Denali have the same fuel efficiency, overall quality score Based on this comparison of the 2021 GMC Yukon AT4's and the 2021 GMC Yukon Denali's specifications and ratings, the two cars are fairly comparable.

Pricing: A used 2021 GMC Yukon AT4 ranges from $43,348 to $62,449 while a used 2021 GMC Yukon Denali is priced between $43,771 to $62,747.

Resale/Retained Value: Looking at the 5-year depreciation rate, the 2021 GMC Yukon AT4 and the 2021 GMC Yukon Denali both lose 53.3 percent of their value.

Quality Rating: The iSeeCars Overall Quality rating for the GMC Yukon is 7.5 out of 10. GMC Yukon is ranked 4 out of 12 Best Large SUVs based on its reliability, retained value, and safety ratings. Out of 34 Best SUVs with 3 Rows, the GMC Yukon is ranked 15 and the GMC Yukon is ranked 15 based on its reliability, retained value, and safety ratings.

Reliability Rating: iSeeCars' Reliability Rating for the GMC Yukon is 7.8 out of 10.

Engine Power and Fuel Efficiency Comparison: For engine performance, the 2021 GMC Yukon AT4’s base engine makes 355 horsepower, and the 2021 GMC Yukon Denali base engine makes 420 horsepower. Both the AT4 and the Denali are rated to deliver an average of 16 miles per gallon, with highway ranges of 456 and 480 miles respectively. Both models use premium unleaded.

Safety Ratings: The GMC Yukon has an average safety rating of 4 out of 5 Stars based on NHTSA's crash test ratings.

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Model & Pricing
2021 GMC Yukon AT4
2021 GMC Yukon Denali

2021 GMC Yukon AT4
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2021 GMC Yukon AT4 for Sale

2021 GMC Yukon Denali
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2021 GMC Yukon Denali for Sale

New Car Pricing

Asking Price:

-

Starting MSRP:

65100

Category Avg Starting MSRP:
(Large SUVs)

54102

Category Starting MSRP Range:
(Large SUVs)

44000 - 85665

New Car Pricing

Asking Price:

-

Starting MSRP:

68600

Category Avg Starting MSRP:
(Large SUVs)

54102

Category Starting MSRP Range:
(Large SUVs)

44000 - 85665

Used Car Pricing

Avg Used Car Price:

52387

Price Range:

43348 - 62449

Category Avg Price:
(Large SUVs)

49033

Category Avg Price Range:
(Large SUVs)

32291 - 82282

# Used Cars for Sale Nationally:

153

Avg Mileage of Used Cars for Sale:

82605

# Good or Great Deals:

87

Used Car Pricing

Avg Used Car Price:

53303

Price Range:

43771 - 62747

Category Avg Price:
(Large SUVs)

49033

Category Avg Price Range:
(Large SUVs)

32291 - 82282

# Used Cars for Sale Nationally:

841

Avg Mileage of Used Cars for Sale:

76304

# Good or Great Deals:

530

GMC Yukon Scores & Rankings

Overall Score:

7.5 / 10

Reliability:

7.8 / 10

Retained Value:

7.6 / 10

Safety:

7.0 / 10

GMC Yukon Scores & Rankings

Overall Score:

7.5 / 10

Reliability:

7.8 / 10

Retained Value:

7.6 / 10

Safety:

7.0 / 10



iSeeCars Reliability Insights for 2021 GMC Yukon AT4

Remaining Life Expectancy (years):

7.0

Typical Category Remaining Life Expectancy:
(Large SUVs)

6.4

Category Remaining Life Expectancy Range:
(Large SUVs)

4.8 - 14.4

Chance of Reaching 200k Miles for a New Car:

0.295

iSeeCars Reliability Insights for 2021 GMC Yukon Denali

Remaining Life Expectancy (years):

7.0

Typical Category Remaining Life Expectancy:
(Large SUVs)

6.4

Category Remaining Life Expectancy Range:
(Large SUVs)

4.8 - 14.4

Chance of Reaching 200k Miles for a New Car:

0.295



Expected 30-year Lifetime Recalls

Expected Lifetime Recalls:

12.846660798804413

Typical Category Recalls:
(Large SUVs)

8.3

Category Range for Recalls:
(Large SUVs)

1.4 - 15.5

Expected 30-year Lifetime Recalls

Expected Lifetime Recalls:

12.846660798804413

Typical Category Recalls:
(Large SUVs)

8.3

Category Range for Recalls:
(Large SUVs)

1.4 - 15.5

GMC Yukon Rankings

Best Large SUVs for Tall People

1 / 12

Most Comfortable Large SUVs

1 / 12

Best SUVs with 3 Rows Under $70k

1 / 4

Best Large SUVs Under $70k

1 / 3

Best Gas Mileage Large SUVs

2 / 12

Most Comfortable SUVs with 3 Rows

3 / 34

Most Reliable Large SUVs

3 / 12

Best Large SUVs for the Money

3 / 10

Best Large SUVs

4 / 12

Large SUVs with the Most Legroom

4 / 12

Safest Large SUVs

4 / 12

Best SUVs with 3 Rows for Tall People

5 / 34

Large SUVs with the Most Cargo Space

5 / 12

Most Reliable SUVs with 3 Rows

6 / 34

SUVs with 3 Rows with the Most Cargo Space

6 / 34

Large SUVs with the Most Horsepower

6 / 12

SUVs with 3 Rows with the Most Horsepower

7 / 34

Best Large SUVs for Towing

7 / 12

Large SUVs with Best Resale Value

7 / 12

Most Affordable Large SUVs

7 / 10

SUVs with 3 Rows with the Most Legroom

8 / 34

Best SUVs with 3 Rows for Towing

9 / 34

Best Off-road Large SUVs

10 / 12

Best Gas Mileage SUVs with 3 Rows

13 / 34

Best SUVs with 3 Rows for the Money

14 / 30

Best SUVs with 3 Rows

15 / 34

Best Off-road SUVs with 3 Rows

18 / 34

Safest SUVs with 3 Rows

23 / 34

SUVs with 3 Rows with Best Resale Value

27 / 34

Most Affordable SUVs with 3 Rows

27 / 30

GMC Yukon Rankings

Best Large SUVs for Tall People

1 / 12

Most Comfortable Large SUVs

1 / 12

Best SUVs with 3 Rows Under $70k

1 / 4

Best Large SUVs Under $70k

1 / 3

Best Gas Mileage Large SUVs

2 / 12

Most Comfortable SUVs with 3 Rows

3 / 34

Most Reliable Large SUVs

3 / 12

Best Large SUVs for the Money

3 / 10

Best Large SUVs

4 / 12

Large SUVs with the Most Legroom

4 / 12

Safest Large SUVs

4 / 12

Best SUVs with 3 Rows for Tall People

5 / 34

Large SUVs with the Most Cargo Space

5 / 12

Most Reliable SUVs with 3 Rows

6 / 34

SUVs with 3 Rows with the Most Cargo Space

6 / 34

Large SUVs with the Most Horsepower

6 / 12

SUVs with 3 Rows with the Most Horsepower

7 / 34

Best Large SUVs for Towing

7 / 12

Large SUVs with Best Resale Value

7 / 12

Most Affordable Large SUVs

7 / 10

SUVs with 3 Rows with the Most Legroom

8 / 34

Best SUVs with 3 Rows for Towing

9 / 34

Best Off-road Large SUVs

10 / 12

Best Gas Mileage SUVs with 3 Rows

13 / 34

Best SUVs with 3 Rows for the Money

14 / 30

Best SUVs with 3 Rows

15 / 34

Best Off-road SUVs with 3 Rows

18 / 34

Safest SUVs with 3 Rows

23 / 34

SUVs with 3 Rows with Best Resale Value

27 / 34

Most Affordable SUVs with 3 Rows

27 / 30

Available Body Styles

SUV

Available Body Styles

SUV

Available Drivetrain Options

Gasoline

Available Drivetrain Options

Diesel, Gasoline

Other GMC Yukon Trim Levels

Denali, SLE, SLT

Other GMC Yukon Trim Levels

AT4, SLE, SLT

Warranty Information

Warranty, Bumper-to-Bumper:

3 years / 36000 miles

Warranty, Powertrain:

5 years / 60000 miles

Warranty, Roadside Assistance:

5 years / 60000 miles

Warranty Information

Warranty, Bumper-to-Bumper:

3 years / 36000 miles

Warranty, Powertrain:

5 years / 60000 miles

Warranty, Roadside Assistance:

5 years / 60000 miles

Safety Ratings

NHTSA Safety Rating (last 5 year average):

4 out of 5 Stars

2026 NHTSA Overall Rating:

3 out of 5 Stars

2026 NHTSA Front Crash Overall Rating:

4 out of 5 Stars

2026 NHTSA Side Crash Overall Rating:

5 out of 5 Stars

2026 NHTSA Rollover Rating:

3 out of 5 Stars

IIHS Safety Rating:

Not yet available

Safety Ratings

NHTSA Safety Rating (last 5 year average):

4 out of 5 Stars

2026 NHTSA Overall Rating:

3 out of 5 Stars

2026 NHTSA Front Crash Overall Rating:

4 out of 5 Stars

2026 NHTSA Side Crash Overall Rating:

5 out of 5 Stars

2026 NHTSA Rollover Rating:

3 out of 5 Stars

IIHS Safety Rating:

Not yet available

Base Drivetrain Specs

Horsepower:

355 hp @ 5600 rpm

Torque:

383 foot-lbs @ 4100 rpm

Power-to-Weight Ratio (higher is better):

0.063 hp per pound

Towing capacity:

7700 lbs

Base Drivetrain Specs

Horsepower:

420 hp @ 5600 rpm

Torque:

460 foot-lbs @ 4100 rpm

Power-to-Weight Ratio (higher is better):

0.075 hp per pound

Towing capacity:

7800 lbs

Engine Specifications

Engine Size:

5.3 liters

Engine Configuration:

V

Number of Cylinders:

8

Transmission:

Automatic

Standard/Optional Drivetrain Type:

4X4

EPA Fuel Economy
(City/Highway/Combined MPG):


13 / 19 / 16

Range (city/hwy):

312 / 456 miles

Recommended Fuel Type:

Premium Unleaded

Engine Specifications

Engine Size:

6.2 liters

Engine Configuration:

V

Number of Cylinders:

8

Transmission:

Automatic

Standard/Optional Drivetrain Type:

4X2 / 4X4

EPA Fuel Economy
(City/Highway/Combined MPG):


14 / 20 / 16

Range (city/hwy):

336 / 480 miles

Recommended Fuel Type:

Premium Unleaded

Standard/Optional Features

Alloy wheels:

Standard

Android Auto:

Standard

Apple CarPlay:

Standard

Bench Seats:

Standard

Bluetooth:

Standard

Cooled/Ventilated Seats:

Standard

Heated Seats

Standard

Heated Steering Wheel:

Standard

Internet Radio:

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Leather Upholstery:

Standard

Navigation System:

Standard

Parking Sensors:

Standard

Power Lift Gate:

Standard

Power outlet:

Standard

Roadside assistance:

Standard

Satellite radio:

Standard

Trailer Hitch:

Standard

Voice Recognition:

Standard

Wifi:

Standard

Air Suspension:

Available

Quad Seats:

Available

Roof Rack:

Available

Sunroof/Moonroof:

Available

Wireless Smartphone Charging:

Available

Adaptive Cruise Control:

N/A

Automatic Parking:

N/A

Captain's seat:

N/A

Front Bench Seats:

N/A

Massage Seats:

N/A

Paddle Shifters:

N/A

Panoramic Sunroof/Moonroof

N/A

Standard/Optional Features

Alloy wheels:

Standard

Android Auto:

Standard

Apple CarPlay:

Standard

Bench Seats:

Standard

Bluetooth:

Standard

Cooled/Ventilated Seats:

Standard

Heated Seats

Standard

Heated Steering Wheel:

Standard

Internet Radio:

Standard

Keyless Entry:

Standard

Keyless Ignition:

Standard

Leather Upholstery:

Standard

Navigation System:

Standard

Parking Sensors:

Standard

Power Lift Gate:

Standard

Power outlet:

Standard

Roadside assistance:

Standard

Satellite radio:

Standard

Trailer Hitch:

Standard

Voice Recognition:

Standard

Wifi:

Standard

Air Suspension:

Available

Quad Seats:

Standard

Roof Rack:

Available

Sunroof/Moonroof:

Available

Wireless Smartphone Charging:

Available

Adaptive Cruise Control:

Available

Automatic Parking:

N/A

Captain's seat:

N/A

Front Bench Seats:

N/A

Massage Seats:

N/A

Paddle Shifters:

N/A

Panoramic Sunroof/Moonroof

N/A

Safety Features

Backup camera:

Standard

Blind Spot Monitoring:

Standard

Forward Collision Warning:

Standard

Lane Departure Warning:

Standard

Lane Keeping Assist:

Standard

Pedestrian Detection:

Standard

Rear Cross-Traffic Alert:

Standard

Rear Seat Reminder:

Standard

360-Degree Camera:

N/A

Driver Attention Monitoring:

N/A

Safety Features

Backup camera:

N/A

Blind Spot Monitoring:

Standard

Forward Collision Warning:

Standard

Lane Departure Warning:

Standard

Lane Keeping Assist:

Standard

Pedestrian Detection:

Standard

Rear Cross-Traffic Alert:

Standard

Rear Seat Reminder:

Standard

360-Degree Camera:

Standard

Driver Attention Monitoring:

N/A

Interior Dimensions

Front Head Room:

42.3 inches

Front Leg Room:

44.5 inches

Front Shoulder Room:

66 inches

Rear Head Room:

38.9 inches

Rear Leg Room:

42 inches

Rear Shoulder Room:

64.8 inches

Cargo Space:

25.5 cubic feet

Cargo Space, 2nd-row seat folded down:

122.9 cubic feet

Overall Interior Volume:

Not yet available

Interior Dimensions

Front Head Room:

42.3 inches

Front Leg Room:

44.5 inches

Front Shoulder Room:

66 inches

Rear Head Room:

38.9 inches

Rear Leg Room:

42 inches

Rear Shoulder Room:

64.8 inches

Cargo Space:

25.5 cubic feet

Cargo Space, 2nd-row seat folded down:

122.9 cubic feet

Overall Interior Volume:

Not yet available

Exterior Dimensions

Curb Weight:

5677 lbs

Width:

81 inches

Height:

76.5 inches

Length:

210 inches

Wheelbase:

120.9 inches

Ground Clearance:

8 inches

Exterior Dimensions

Curb Weight:

5631 lbs

Width:

81 inches

Height:

76.5 inches

Length:

210 inches

Wheelbase:

120.9 inches

Ground Clearance:

8 inches

Standard Wheel/Tire Information

Wheel Size:

20.0 x 9.0 inches

Wheel Type:

aluminum alloy with painted accents

Tire Size:

275/60R20

Standard Wheel/Tire Information

Wheel Size:

20.0 x 9.0 inches

Wheel Type:

painted aluminum alloy

Tire Size:

275/60R20

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