THE SPECS GUIDE

2021 GMC Sierra 1500

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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Use its full VIN to look up the vehicle and check the recorded specifications.

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

Vehicle 1 Vehicle 2 Vehicle 3

Swipe the table sideways to compare vehicles. Specification names stay visible.

Specification	AT4 · 4WD 3GTP9EED-M	AT4 · 4WD 3GTP9EEL-M	Elevation · 4WD 3GTU9CET-M	Trim not recorded 2GTU9EET-M	Fleet/Base · 4WD 1GT49SEY-M	SLT 1GTP8DED-M	Fleet/Base 1GD58PEY-M	Denali · 4WD 1GT19RE7-M	Fleet/Base 1GD58LE7-M	SLT 3GTU8DED-M	Elevation · 4WD 1GTU9CED-M	SLE · 4WD 1GTR9BEK-M	Fleet/Base 1GT28LE7-M	Elevation 3GTP8CED-M	SLT 1GT48NEY-M	SLE · 4WD 1GTV9BET-M	Trim not recorded 3GTP0EED-M	Fleet/Base · 4WD 3GTU9AEF-M	SLE 1GTP8BED-M	Fleet/Base · 4WD 1GTR9AEH-M	Fleet/Base · 4WD 1GTU9AEF-M	Fleet/Base 1GT38PEY-M	Fleet/Base · 4WD 1GT49LE7-M	Fleet/Base 1GD38PE7-M	Fleet/Base · 4WD 1GD19LEY-M	Elevation · 4WD 1GTV9CED-M	AT4 · 4WD 1GT49PEY-M	Denali · 4WD 1GTU9FEL-M	SLT · 4WD 1GTU9DED-M	SLE · 4WD 1GT49ME7-M	Trim not recorded 1GT7W2BN-M	Elevation · 4WD 3GTU9GET-M	SLT 1GTU8DED-M	Trim not recorded 1GTR7CED-M	SLT 1GT58NE7-M	SLE 3GTP8BEK-M	SLE · 4WD 1GT29ME7-M	SLE · 4WD 1GD59TEY-M	SLE 3GTP8BET-M	SLE · 4WD 1GD49TEY-M	SLT · 4WD 1GT29NEY-M	Fleet/Base 1GD38LEY-M	Fleet/Base 3GTP8AEK-M	Fleet/Base · 4WD 1GT39LE7-M	Fleet/Base · 4WD 1GD29LE7-M	Denali 3GTP8FET-M	Fleet/Base 1GT48PE7-M	Elevation · 4WD 1GTP9GEK-M
Engine	5.3L 8-cyl	6.2L 8-cyl	3L 6-cyl	Not recorded	6.6L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	5.3L 8-cyl	5.3L 8-cyl	2.7L 4-cyl	6.6L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	3L 6-cyl	Not recorded	5.3L 8-cyl	5.3L 8-cyl	4.3L 6-cyl	5.3L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	6.2L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	7.4L 8-cyl	3L 6-cyl	5.3L 8-cyl	Not recorded	6.6L 8-cyl	2.7L 4-cyl	6.6L 8-cyl	6.6L 8-cyl	3L 6-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	2.7L 4-cyl	6.6L 8-cyl	6.6L 8-cyl	3L 6-cyl	6.6L 8-cyl	2.7L 4-cyl
Drivetrain	Four-wheel drive	Four-wheel drive	Four-wheel drive	Not recorded	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	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Four-wheel drive	Not recorded	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	Not recorded	Four-wheel drive	Not recorded	Not recorded	Not recorded	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive
Fuel	Gasoline	Gasoline	Diesel	Diesel	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Diesel	Not recorded	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Gasoline	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Not recorded	Gasoline	Gasoline	Gasoline	Diesel	Diesel	Diesel	Diesel	Diesel	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Gasoline
Body	Pickup	Pickup	Pickup	Not recorded	Pickup	Pickup	Incomplete - Chassis CAB (Double CAB)	Pickup	Incomplete - Chassis CAB (Double CAB)	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Not recorded	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Incomplete - Chassis CAB (Single CAB)	Incomplete - Chassis CAB (Double CAB)	Pickup	Pickup	Pickup	Pickup	Pickup	Not recorded	Pickup	Pickup	Not recorded	Pickup	Pickup	Pickup	Incomplete - Chassis CAB (Double CAB)	Pickup	Incomplete - Chassis CAB (Double CAB)	Pickup	Incomplete - Chassis CAB (Single CAB)	Pickup	Pickup	Incomplete - Chassis CAB (Double CAB)	Pickup	Pickup	Pickup
Doors	4-door	4-door	4-door	Not recorded	4-door	4-door	Not recorded	4-door	Not recorded	4-door	4-door	Not recorded	Not recorded	4-door	4-door	Not recorded	Not recorded	4-door	4-door	Not recorded	4-door	2-door	4-door	2-door	4-door	Not recorded	4-door	4-door	4-door	4-door	Not recorded	4-door	4-door	Not recorded	Not recorded	4-door	Not recorded	Not recorded	4-door	4-door	Not recorded	2-door	4-door	2-door	Not recorded	4-door	4-door	4-door
Median asking price	$36,920	$38,175	$32,372	Not recorded	$42,999	$33,431	Not recorded	Not recorded	Not recorded	Not recorded	$31,899	$29,237	Not recorded	$30,350	Not recorded	$27,296	Not recorded	$24,822	$28,704	Not recorded	$27,995	Not recorded	$29,995	Not recorded	Not recorded	Not recorded	$51,223	$38,537	$34,500	$38,485	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	$28,990	Not recorded	Not recorded	$30,775	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	$38,221	Not recorded	$30,597
Price observations	305	342	385	Not recorded	7	36	Not recorded	Not recorded	Not recorded	Not recorded	129	21	Not recorded	29	Not recorded	8	Not recorded	34	6	Not recorded	13	Not recorded	18	Not recorded	Not recorded	Not recorded	160	257	242	25	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	5	Not recorded	Not recorded	7	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	19	Not recorded	13
Price sample updated	Oct 11, 2026	Oct 11, 2026	Oct 11, 2026	Not recorded	Oct 11, 2026	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Oct 11, 2026	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Oct 11, 2026	Oct 11, 2026	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Oct 11, 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 Sierra 1500

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

2021 Sierra 1500

AT4

3 VIN patterns

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

3GTP9EED-M → 6,877 VINs in our data

Pickup

$36,920 median asking price

305 price observations · Updated Oct 11, 2026

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

3GTP9EEL-M → 6,592 VINs in our data

Pickup

$38,175 median asking price

342 price observations · Updated Oct 11, 2026

6.6L 8-cyl · Diesel · Four-wheel drive 1 pattern · View specs

1GT49PEY-M → 4,582 VINs in our data

Pickup

$51,223 median asking price

160 price observations · Updated Oct 11, 2026

2021 Sierra 1500

Denali

3 VIN patterns

3L 6-cyl · Diesel · 4x2 1 pattern · View specs

3GTP8FET-M → 314 VINs in our data

Pickup

$38,221 median asking price

19 price observations · Updated Oct 11, 2026

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

1GTU9FEL-M → 4,201 VINs in our data

Pickup

$38,537 median asking price

257 price observations · Updated Oct 11, 2026

6.6L 8-cyl · Gasoline · Four-wheel drive 1 pattern · View specs

1GT19RE7-M → 24 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

2021 Sierra 1500

Elevation

6 VIN patterns

2.7L 4-cyl · Gasoline · Four-wheel drive 1 pattern · View specs

1GTP9GEK-M → 191 VINs in our data

Pickup

$30,597 median asking price

13 price observations · Updated Oct 11, 2026

3L 6-cyl · Diesel · Four-wheel drive 2 patterns · View specs

3GTU9CET-M → 5,598 VINs in our data

Pickup

$32,372 median asking price

385 price observations · Updated Oct 11, 2026

3GTU9GET-M → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

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

3GTP8CED-M → 1,366 VINs in our data

Pickup

$30,350 median asking price

29 price observations · Updated Oct 11, 2026

5.3L 8-cyl · Gasoline · Four-wheel drive 2 patterns · View specs

1GTU9CED-M → 2,981 VINs in our data

Pickup

$31,899 median asking price

129 price observations · Updated Oct 11, 2026

1GTV9CED-M → 21 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

2021 Sierra 1500

Fleet/Base

16 VIN patterns

2.7L 4-cyl · Gasoline · 4x2 1 pattern · View specs

3GTP8AEK-M → 69 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

4.3L 6-cyl · Gasoline · Four-wheel drive 1 pattern · View specs

1GTR9AEH-M → 251 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

5.3L 8-cyl · Gasoline · Four-wheel drive 2 patterns · View specs

3GTU9AEF-M → 838 VINs in our data

Pickup

$24,822 median asking price

34 price observations · Updated Oct 11, 2026

1GTU9AEF-M → 346 VINs in our data

Pickup

$27,995 median asking price

13 price observations · Updated Oct 11, 2026

6.6L 8-cyl · Diesel · 4x2 3 patterns · View specs

1GD58PEY-M → 1 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT38PEY-M → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD38LEY-M → 3 VINs in our data

Incomplete - Chassis CAB (Single CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Diesel · Four-wheel drive 2 patterns · View specs

1GT49SEY-M → 525 VINs in our data

Pickup

$42,999 median asking price

7 price observations · Updated Oct 11, 2026

1GD19LEY-M → 5 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Gasoline · 4x2 4 patterns · View specs

1GD58LE7-M → 37 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT28LE7-M → 17 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD38PE7-M → 37 VINs in our data

Incomplete - Chassis CAB (Single CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT48PE7-M → 15 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Gasoline · Four-wheel drive 3 patterns · View specs

1GT49LE7-M → 843 VINs in our data

Pickup

$29,995 median asking price

18 price observations · Updated Oct 11, 2026

1GT39LE7-M → 134 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

1GD29LE7-M → 91 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

2021 Sierra 1500

SLE

9 VIN patterns

2.7L 4-cyl · Gasoline · 4x2 1 pattern · View specs

3GTP8BEK-M → 161 VINs in our data

Pickup

$28,990 median asking price

5 price observations · Updated Oct 11, 2026

2.7L 4-cyl · Gasoline · Four-wheel drive 1 pattern · View specs

1GTR9BEK-M → 373 VINs in our data

Pickup

$29,237 median asking price

21 price observations · Updated Oct 11, 2026

3L 6-cyl · Diesel · 4x2 1 pattern · View specs

3GTP8BET-M → 147 VINs in our data

Pickup

$30,775 median asking price

7 price observations · Updated Oct 11, 2026

3L 6-cyl · Diesel · Four-wheel drive 1 pattern · View specs

1GTV9BET-M → 110 VINs in our data

Pickup

$27,296 median asking price

8 price observations · Updated Oct 11, 2026

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

1GTP8BED-M → 120 VINs in our data

Pickup

$28,704 median asking price

6 price observations · Updated Oct 11, 2026

6.6L 8-cyl · Diesel · Four-wheel drive 2 patterns · View specs

1GD59TEY-M → 2 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD49TEY-M → 35 VINs in our data

Incomplete - Chassis CAB (Double CAB)

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Gasoline · Four-wheel drive 2 patterns · View specs

1GT49ME7-M → 962 VINs in our data

Pickup

$38,485 median asking price

25 price observations · Updated Oct 11, 2026

1GT29ME7-M → 104 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

2021 Sierra 1500

SLT

7 VIN patterns

5.3L 8-cyl · Gasoline · 4x2 3 patterns · View specs

1GTP8DED-M → 971 VINs in our data

Pickup

$33,431 median asking price

36 price observations · Updated Oct 11, 2026

3GTU8DED-M → 3 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GTU8DED-M → 3 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

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

1GTU9DED-M → 4,853 VINs in our data

Pickup

$34,500 median asking price

242 price observations · Updated Oct 11, 2026

6.6L 8-cyl · Diesel · 4x2 1 pattern · View specs

1GT48NEY-M → 11 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Diesel · Four-wheel drive 1 pattern · View specs

1GT29NEY-M → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

6.6L 8-cyl · Gasoline · 4x2 1 pattern · View specs

1GT58NE7-M → 2 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

2021 Sierra 1500

Trim not recorded

4 VIN patterns

7.4L 8-cyl · Gasoline · Drive not recorded 1 pattern · View specs

1GT7W2BN-M → 1 VINs in our data

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

Engine not recorded · Diesel · Drive not recorded 1 pattern · View specs

2GTU9EET-M → 1 VINs in our data

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

Engine not recorded · Drive not recorded 2 patterns · View specs

3GTP0EED-M → 1 VINs in our data

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GTR7CED-M → 1 VINs in our data

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

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 Sierra 1500s 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.

Sierra 1500 prices by age → Asking-price history →