THE SPECS GUIDE

2020 GMC Sierra

Find your trim. See what changes.

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

Explore trims ↓ Compare specs →

Have a specific car in mind?

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

SIDE BY SIDE

Compare the details

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	SLT · 4WD 3GTU9DED-L	Denali · 4WD 3GTU9FEL-L	AT4 · 4WD 3GTP9EED-L	Denali · 4WD 3GTU9FED-L	Fleet/Base 1GT18LE7-L	Fleet/Base 1GT58PEY-L	AT4 · 4WD 1GTR9EET-L	AT4 · 4WD 3GTP9EEL-L	Elevation · 4WD 1GTV9CET-L	SLT · 4WD 3GTU9DFD-L	SLE · 4WD 1GT59ME7-L	Fleet/Base · 4WD 1GD19LE7-L	Fleet/Base 1GT28LE7-L	Fleet/Base 1GD48PE7-L	Fleet/Base 1GT38LE7-L	Fleet/Base · 4WD 1GT29LEY-L	Fleet/Base 1GT08LE7-L	SLT · 4WD 1GT29NEY-L	SLE 1GD38RE7-L	Fleet/Base · 4WD 1GTU9AEF-L	SLE 3GTU8BED-L	SLE · 4WD 1GTR9BED-L	Denali 1GTP8FET-L	Fleet/Base 1GD08LE7-L	Trim not recorded 1GTUPFEL-L	Fleet/Base · 4WD 1GT49LEY-L	SLE · 4WD 1GD49TE7-L	Fleet/Base 1GTR8AEH-L	Elevation · 4WD 3GTU9CET-L	Trim not recorded 00TU9AEF-L	SLE 3GTP8BED-L	SLT · 4WD 3GT49DED-L	Fleet/Base 3GTP8LEK-L	SLE 1GT58MEY-L	Fleet/Base 3GTP8AEF-L	SLE 1GTU8BED-L	SLE 1GD38REY-L	SLE · 4WD 1GT49TE7-L	SLE 1GT48MEY-L	4WD 1GT599E7-L	Fleet/Base · 4WD 1GT59LEY-L	AT4 · 4WD 1GT19PEY-L	SLT · 4WD 1GTR9DEL-L	SLT 1GT48SEY-L	Fleet/Base · 4WD 1GD29LE7-L	Elevation 3GTP8CEK-L	Elevation 1GTV8CED-L	Fleet/Base 3GTN8AEF-L
Engine	5.3L 8-cyl	6.2L 8-cyl	5.3L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	3L 6-cyl	6.2L 8-cyl	3L 6-cyl	5.3L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	5.3L 8-cyl	5.3L 8-cyl	5.3L 8-cyl	3L 6-cyl	6.6L 8-cyl	3.9L	6.6L 8-cyl	6.6L 8-cyl	4.3L 6-cyl	3L 6-cyl	Not recorded	5.3L 8-cyl	5.3L 8-cyl	2.7L 4-cyl	6.6L 8-cyl	5.3L 8-cyl	5.3L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	6.2L 8-cyl	6.6L 8-cyl	6.6L 8-cyl	2.7L 4-cyl	5.3L 8-cyl	5.3L 8-cyl
Drivetrain	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	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	Not recorded	Four-wheel drive	Not recorded	Not recorded	Not recorded	Four-wheel drive	Four-wheel drive	Not recorded	Four-wheel drive	Not recorded	Not recorded	Four-wheel drive	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Four-wheel drive	Not recorded	Four-wheel drive	Four-wheel drive	Four-wheel drive	Four-wheel drive	Not recorded	Four-wheel drive	Not recorded	Not recorded	Not recorded
Fuel	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Diesel	Diesel	Gasoline	Gasoline	Diesel	Not recorded	Gasoline	Gasoline	Gasoline	Diesel	Gasoline	Gasoline	Diesel	Gasoline	Diesel	Gasoline	Diesel	Diesel	Gasoline	Diesel	Gasoline	Gasoline	Gasoline	Gasoline
Body	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Incomplete	Pickup	Incomplete	Pickup	Pickup	Pickup	Pickup	Incomplete	Pickup	Pickup	Pickup	Pickup	Incomplete	Not recorded	Pickup	Incomplete	Pickup	Pickup	Not recorded	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Incomplete	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Pickup	Incomplete	Pickup	Pickup	Pickup
Seats	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	6	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	6	Not recorded	6	Not recorded	Not recorded	Not recorded	Not recorded
Doors	4-door	4-door	4-door	4-door	4-door	Not recorded	Not recorded	4-door	Not recorded	4-door	Not recorded	4-door	Not recorded	4-door	2-door	Not recorded	2-door	Not recorded	2-door	4-door	4-door	Not recorded	4-door	2-door	Not recorded	4-door	4-door	Not recorded	4-door	Not recorded	4-door	4-door	4-door	Not recorded	4-door	4-door	2-door	4-door	4-door	Not recorded	Not recorded	4-door	Not recorded	4-door	Not recorded	4-door	Not recorded	2-door
Median asking price	$33,298	$37,490	$33,700	$36,500	Not recorded	Not recorded	Not recorded	Not recorded	$28,003	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	$26,894	Not recorded	Not recorded	$26,310	Not recorded	$27,795	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	$17,635	$28,573	Not recorded	$28,191	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	$40,725	Not recorded	Not recorded	Not recorded	$49,006	Not recorded	Not recorded	Not recorded	$26,999	Not recorded	$23,998
Price observations	640	260	115	75	Not recorded	Not recorded	Not recorded	Not recorded	8	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	6	Not recorded	Not recorded	27	Not recorded	30	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	7	79	Not recorded	21	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	11	Not recorded	Not recorded	Not recorded	22	Not recorded	Not recorded	Not recorded	17	Not recorded	5
Price sample updated	Oct 11, 2026	Oct 11, 2026	Oct 11, 2026	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Oct 11, 2026	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Not recorded	Oct 11, 2026	Not recorded	Not recorded	Not recorded	Oct 11, 2026	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

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

2020 Sierra

AT4

4 VIN patterns

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

1GTR9EET-L → 4 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

3GTP9EED-L → 2,135 VINs in our data

Pickup

$33,700 median asking price

115 price observations · Updated Oct 11, 2026

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

3GTP9EEL-L → 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 · Diesel · Four-wheel drive 1 pattern · View specs

1GT19PEY-L → 417 VINs in our data

Pickup · 6 seats

$49,006 median asking price

22 price observations · Updated Oct 11, 2026

2020 Sierra

Denali

3 VIN patterns

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

1GTP8FET-L → 45 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

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

3GTU9FED-L → 1,414 VINs in our data

Pickup

$36,500 median asking price

75 price observations · Updated Oct 11, 2026

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

3GTU9FEL-L → 3,904 VINs in our data

Pickup

$37,490 median asking price

260 price observations · Updated Oct 11, 2026

2020 Sierra

Elevation

4 VIN patterns

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

3GTP8CEK-L → 380 VINs in our data

Pickup

$26,999 median asking price

17 price observations · Updated Oct 11, 2026

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

1GTV9CET-L → 66 VINs in our data

Pickup

$28,003 median asking price

8 price observations · Updated Oct 11, 2026

3GTU9CET-L → 777 VINs in our data

Pickup

$28,573 median asking price

79 price observations · Updated Oct 11, 2026

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

1GTV8CED-L → 8 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

2020 Sierra

Fleet/Base

17 VIN patterns

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

3GTP8LEK-L → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

4.3L 6-cyl · Gasoline · 4x2 1 pattern · View specs

1GTR8AEH-L → 228 VINs in our data

Pickup

$17,635 median asking price

7 price observations · Updated Oct 11, 2026

5.3L 8-cyl · Gasoline · 4x2 2 patterns · View specs

3GTP8AEF-L → 62 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

3GTN8AEF-L → 108 VINs in our data

Pickup

$23,998 median asking price

5 price observations · Updated Oct 11, 2026

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

1GTU9AEF-L → 574 VINs in our data

Pickup

$26,310 median asking price

27 price observations · Updated Oct 11, 2026

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

1GT58PEY-L → 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 · Diesel · Four-wheel drive 3 patterns · View specs

1GT29LEY-L → 3 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT49LEY-L → 151 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

1GT59LEY-L → 16 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 6 patterns · View specs

1GT18LE7-L → 20 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

1GT28LE7-L → 3 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD48PE7-L → 20 VINs in our data

Incomplete

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT38LE7-L → 2 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT08LE7-L → 59 VINs in our data

Pickup

$26,894 median asking price

6 price observations · Updated Oct 11, 2026

1GD08LE7-L → 21 VINs in our data

Incomplete

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

1GD19LE7-L → 30 VINs in our data

Incomplete

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD29LE7-L → 15 VINs in our data

Incomplete

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

2020 Sierra

SLE

11 VIN patterns

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

3GTU8BED-L → 22 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

3GTP8BED-L → 622 VINs in our data

Pickup

$28,191 median asking price

21 price observations · Updated Oct 11, 2026

1GTU8BED-L → 7 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

1GTR9BED-L → 975 VINs in our data

Pickup

$27,795 median asking price

30 price observations · Updated Oct 11, 2026

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

1GT58MEY-L → 2 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GD38REY-L → 1 VINs in our data

Incomplete

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT48MEY-L → 4 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

1GD38RE7-L → 2 VINs in our data

Incomplete

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

1GT59ME7-L → 72 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

1GD49TE7-L → 1 VINs in our data

Incomplete

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

1GT49TE7-L → 270 VINs in our data

Pickup

$40,725 median asking price

11 price observations · Updated Oct 11, 2026

2020 Sierra

SLT

6 VIN patterns

5.3L 8-cyl · Gasoline · Four-wheel drive 3 patterns · View specs

3GTU9DFD-L → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

3GT49DED-L → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

3GTU9DED-L → 11,691 VINs in our data

Pickup

$33,298 median asking price

640 price observations · Updated Oct 11, 2026

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

1GTR9DEL-L → 10 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 · 4x2 1 pattern · View specs

1GT48SEY-L → 2 VINs in our data

Pickup · 6 seats

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-L → 6 VINs in our data

Pickup · 6 seats

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

2020 Sierra

Trim not recorded

3 VIN patterns

3.9L · Diesel · 4x2 1 pattern · View specs

1GTUPFEL-L → 1 VINs in our data

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

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

1GT599E7-L → 1 VINs in our data

Pickup

No qualifying asking-price sample for this pattern.

Limited record — some specifications may be missing.

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

00TU9AEF-L → 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 2020 Sierras 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 prices by age → Asking-price history →

What would you like to do?

Price, research and present your inventory.

Understand car prices and market trends.

Build with automotive data.

2020 GMC Sierra

Have a specific car in mind?

Compare the details

Find your Sierra

AT4

Denali

Elevation

Fleet/Base

SLE

SLT

Trim not recorded

What are 2020 Sierras listed for?

Go beyond the spec sheet

Safety & recalls

Fuel economy

Prices across model years