THE SPECS GUIDE

2021 GMC Yukon XL

Find your trim. See what changes.

Compare recorded engines, drivetrains and specifications, then open the VIN pattern that matches your car.

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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	SLE 1GKS1FKT-M	SLE · 4WD 1GKS2FET-M	SLT 1GKS1GKD-M	Denali 1GKS1JKT-M	SLE · 4WD 1GKS2FKD-M	SLE · 4WD 1GKS2FED-M	SLT 1GKS1GKT-M	SLE 1GKS1FET-M	SLE 1GKS1FED-M	SLT · 4WD 1GKS2GKT-M	SLE 1GKS1FKD-M	Denali · 4WD 1GKS2JKT-M
Engine	6.2L 8-cyl	5.3L 8-cyl	6.2L 8-cyl	3L 6-cyl	3L 6-cyl	5.3L 8-cyl	3L 6-cyl	5.3L 8-cyl	5.3L 8-cyl	3L 6-cyl	3L 6-cyl	5.3L 8-cyl	3L 6-cyl	5.3L 8-cyl	3L 6-cyl
Drivetrain	Four-wheel drive	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Not recorded	Not recorded	Four-wheel drive	Not recorded	Four-wheel drive
Transmission	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic	Automatic
Fuel	Gasoline	Gasoline	Gasoline	Diesel	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Diesel	Diesel	Gasoline	Diesel	Gasoline	Diesel
Body	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]	Sport Utility Vehicle [SUV]
Seats	7	8	7	8	8	8	7	8	8	8	8	8	8	8	7
Doors	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door	4-door
Median asking price	$40,487	$37,522	$38,661	Not recorded	Not recorded	$33,598	Not recorded	$34,746	Not recorded	Not recorded	Not recorded	Not recorded	$38,787	Not recorded	$42,338
Price observations	672	285	109	Not recorded	Not recorded	111	Not recorded	10	Not recorded	Not recorded	Not recorded	Not recorded	19	Not recorded	36
Price sample updated	Nov 8, 2026	Nov 8, 2026	Nov 8, 2026	Not recorded	Not recorded	Nov 8, 2026	Not recorded	Nov 8, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Nov 8, 2026	Not recorded	Nov 8, 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 → 44 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 → 669 VINs in our data

Sport Utility Vehicle [SUV] · 7 seats

$42,338 median asking price

36 price observations · Updated Nov 8, 2026

6.2L 8-cyl · Gasoline · 4x2 · Automatic 1 pattern · View specs

1GKS1JKL-M → 2,045 VINs in our data

Sport Utility Vehicle [SUV] · 7 seats

$38,661 median asking price

109 price observations · Updated Nov 8, 2026

6.2L 8-cyl · Gasoline · Four-wheel drive · Automatic 1 pattern · View specs

1GKS2JKL-M → 10,920 VINs in our data

Sport Utility Vehicle [SUV] · 7 seats

$40,487 median asking price

672 price observations · Updated Nov 8, 2026

2021 Yukon XL

SLE

7 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 1 pattern · View specs

1GKS2FET-M → 11 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.

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 → 98 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 → 272 VINs in our data

Sport Utility Vehicle [SUV] · 8 seats

$34,746 median asking price

10 price observations · Updated Nov 8, 2026

1GKS2FED-M → 27 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 → 486 VINs in our data

Sport Utility Vehicle [SUV] · 8 seats

$38,787 median asking price

19 price observations · Updated Nov 8, 2026

5.3L 8-cyl · Gasoline · 4x2 · Automatic 1 pattern · View specs

1GKS1GKD-M → 2,018 VINs in our data

Sport Utility Vehicle [SUV] · 8 seats

$33,598 median asking price

111 price observations · Updated Nov 8, 2026

5.3L 8-cyl · Gasoline · Four-wheel drive · Automatic 1 pattern · View specs

1GKS2GKD-M → 4,590 VINs in our data

Sport Utility Vehicle [SUV] · 8 seats

$37,522 median asking price

285 price observations · Updated Nov 8, 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?

Explore model-year asking prices and available market history.

Explore prices →

BEFORE YOU CHOOSE

Go beyond the spec sheet

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

Safety & recalls

Check the tested body style and drivetrain before comparing crash ratings.

Check NHTSA ratings → Check recalls by VIN →

Fuel economy

Match the engine and drivetrain to an EPA entry. A model-year fuel estimate may describe a different variant from yours.

Find the matching EPA vehicle →

Prices across model years

Compare current asking-price samples. Differences between model years are not a forecast of how one car will depreciate.

Yukon XL prices by age → Asking-price history →