THE SPECS GUIDE

2021 GMC Yukon XL

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Choose up to three VIN patterns. Each column describes one recorded pattern.

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Specification Denali · 4WD 1GKS2JKL-M SLT · 4WD 1GKS2GKD-M Denali 1GKS1JKL-M
Engine 6.2L 8-cyl 5.3L 8-cyl 6.2L 8-cyl
Drivetrain Four-wheel drive Four-wheel drive Not recorded
Transmission Automatic Automatic Automatic
Fuel Gasoline Gasoline Gasoline
Body Sport Utility Vehicle (SUV) Sport Utility Vehicle (SUV) Sport Utility Vehicle (SUV)
Seats 7 8 7
Doors 4-door 4-door 4-door
Median asking price $42,732 $38,500 $42,024
Price observations 306 128 71
Price sample updated Sep 13, 2026 Sep 13, 2026 Sep 13, 2026

Missing data does not mean a feature is absent. Prices are advertised asking prices for each pattern’s own sample, not completed sale prices or a trim-wide average.

EXPLORE THE LINEUP

Find your Yukon XL

Grouped by recorded trim, with engine and drive variants underneath. Open a variant to see every source pattern.

2021 Yukon XL

Denali

4 VIN patterns
3L 6-cyl · Diesel · 4x2 · Automatic 1 pattern · View specs
1GKS1JKT-M → 43 VINs in our data

Sport Utility Vehicle (SUV) · 7 seats

No qualifying asking-price sample for this pattern.

3L 6-cyl · Diesel · Four-wheel drive · Automatic 1 pattern · View specs
1GKS2JKT-M → 657 VINs in our data

Sport Utility Vehicle (SUV) · 7 seats

$39,995 median asking price

12 price observations · Updated Sep 13, 2026

6.2L 8-cyl · Gasoline · 4x2 · Automatic 1 pattern · View specs
1GKS1JKL-M → 2,004 VINs in our data

Sport Utility Vehicle (SUV) · 7 seats

$42,024 median asking price

71 price observations · Updated Sep 13, 2026

6.2L 8-cyl · Gasoline · Four-wheel drive · Automatic 1 pattern · View specs
1GKS2JKL-M → 10,723 VINs in our data

Sport Utility Vehicle (SUV) · 7 seats

$42,732 median asking price

306 price observations · Updated Sep 13, 2026

2021 Yukon XL

SLE

8 VIN patterns
3L 6-cyl · Diesel · 4x2 · Automatic 2 patterns · View specs
1GKS1FKT-M → 8 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GKS1FET-M → 3 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

3L 6-cyl · Diesel · Four-wheel drive · Automatic 2 patterns · View specs
1GKS2FET-M → 10 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GKS2FKT-M → 29 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

5.3L 8-cyl · Gasoline · 4x2 · Automatic 2 patterns · View specs
1GKS1FED-M → 8 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GKS1FKD-M → 95 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

5.3L 8-cyl · Gasoline · Four-wheel drive · Automatic 2 patterns · View specs
1GKS2FKD-M → 271 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

$31,989 median asking price

10 price observations · Updated Sep 13, 2026

1GKS2FED-M → 26 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

2021 Yukon XL

SLT

4 VIN patterns
3L 6-cyl · Diesel · 4x2 · Automatic 1 pattern · View specs
1GKS1GKT-M → 59 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

No qualifying asking-price sample for this pattern.

3L 6-cyl · Diesel · Four-wheel drive · Automatic 1 pattern · View specs
1GKS2GKT-M → 475 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

$46,871 median asking price

8 price observations · Updated Sep 13, 2026

5.3L 8-cyl · Gasoline · 4x2 · Automatic 1 pattern · View specs
1GKS1GKD-M → 1,976 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

$33,576 median asking price

51 price observations · Updated Sep 13, 2026

5.3L 8-cyl · Gasoline · Four-wheel drive · Automatic 1 pattern · View specs
1GKS2GKD-M → 4,508 VINs in our data

Sport Utility Vehicle (SUV) · 8 seats

$38,500 median asking price

128 price observations · Updated Sep 13, 2026

Source: manufacturer specifications decoded through NHTSA vPIC, alongside VIN and listing records in our dataset. Trim groups are for browsing; shared labels do not establish identical equipment. Confirm options on the specific vehicle.

THE MARKET VIEW

What are 2021 Yukon XLs listed for?

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BEFORE YOU CHOOSE

Go beyond the spec sheet

Equipment, fuel economy and safety results can vary with the vehicle’s engine, drivetrain and options.

Fuel economy

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