2026 Sierra HD
AT4
6.6L 8-cyl · Diesel · Four-wheel drive 1 pattern · View specs
1GT4UPEY-T →
16,193 VINs in our data
Pickup
$87,275 median asking price
3,002 price observations · Updated Sep 20, 2026
THE SPECS GUIDE
2026 GMC Sierra HD
Find your trim. See what changes.
Compare recorded engines, drivetrains and specifications, then open the VIN pattern that matches your car.
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.
Swipe the table sideways to compare vehicles. Specification names stay visible.
| Specification | AT4 · 4WD 1GT4UPEY-T | Denali Ultimate · 4WD 1GT4UYEY-T | Denali · 4WD 1GT4UWEY-T | PRO · 4WD 1GT5ULE7-T | PRO 1GT3HLE7-T | PRO 1GD5HLEY-T | PRO · 4WD 1GT2ULE7-T | SLE 1GD3HREY-T | Denali · 4WD 1GT1URE7-T | SLE · 4WD 1GD5UME7-T | SLE · 4WD 1GT1UMEY-T | PRO 1GD3HLEY-T | PRO 1GD5HLE7-T | PRO · 4WD 1GT4USE7-T | PRO 1GT1HLEY-T | Denali Ultimate · 4WD 1GT1UXEY-T | SLE · 4WD 1GD5UTE7-T | PRO 1GD2HLE7-T | AT4X · 4WD 1GT4UZE7-T | PRO · 4WD 1GD4ULEY-T | PRO · 4WD 1GT1ULE7-T | PRO 1GT5HPE7-T | PRO 1GD3HPEY-T | PRO 1GT4HPE7-T |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Engine | 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 | 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 | 6.6L 8-cyl | 6.6L 8-cyl | 6.6L 8-cyl | 6.6L 8-cyl | 6.6L 8-cyl | 6.6L 8-cyl |
| Drivetrain | Four-wheel drive | Four-wheel drive | Four-wheel drive | Four-wheel drive | Not recorded | Not recorded | Four-wheel drive | Not recorded | Four-wheel drive | Four-wheel drive | Four-wheel drive | Not recorded | Not recorded | Four-wheel drive | Not recorded | Four-wheel drive | Four-wheel drive | Not recorded | Four-wheel drive | Four-wheel drive | Four-wheel drive | Not recorded | Not recorded | Not recorded |
| Fuel | Diesel | Diesel | Diesel | Gasoline | Gasoline | Diesel | Gasoline | Diesel | Gasoline | Gasoline | Diesel | Diesel | Gasoline | Gasoline | Diesel | Diesel | Gasoline | Gasoline | Gasoline | Diesel | Gasoline | Gasoline | Diesel | Gasoline |
| Body | Pickup | Pickup | Pickup | Pickup | Pickup | Incomplete | Pickup | Incomplete | Pickup | Incomplete | Pickup | Incomplete | Incomplete | Pickup | Pickup | Pickup | Incomplete | Incomplete | Pickup | Incomplete | Pickup | Pickup | Incomplete | Pickup |
| Median asking price | $87,275 | $102,010 | $90,570 | $55,133 | $50,350 | Not recorded | $55,489 | Not recorded | Not recorded | Not recorded | $71,737 | Not recorded | Not recorded | $60,265 | Not recorded | $91,988 | Not recorded | Not recorded | $88,640 | Not recorded | $58,630 | Not recorded | Not recorded | Not recorded |
| Price observations | 3,002 | 799 | 616 | 248 | 6 | Not recorded | 24 | Not recorded | Not recorded | Not recorded | 15 | Not recorded | Not recorded | 54 | Not recorded | 15 | Not recorded | Not recorded | 130 | Not recorded | 30 | Not recorded | Not recorded | Not recorded |
| Price sample updated | Sep 20, 2026 | Sep 20, 2026 | Sep 20, 2026 | Sep 20, 2026 | Sep 20, 2026 | Not recorded | Sep 20, 2026 | Not recorded | Not recorded | Not recorded | Sep 20, 2026 | Not recorded | Not recorded | Sep 20, 2026 | Not recorded | Sep 20, 2026 | Not recorded | Not recorded | Sep 20, 2026 | Not recorded | Sep 20, 2026 | Not recorded | Not recorded | Not recorded |
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 HD
Grouped by recorded trim, with engine and drive variants underneath. Open a variant to see every source pattern.
2026 Sierra HD
AT4X
6.6L 8-cyl · Gasoline · Four-wheel drive 1 pattern · View specs
1GT4UZE7-T →
1,186 VINs in our data
Pickup
$88,640 median asking price
130 price observations · Updated Sep 20, 2026
2026 Sierra HD
Denali
6.6L 8-cyl · Diesel · Four-wheel drive 1 pattern · View specs
1GT4UWEY-T →
4,839 VINs in our data
Pickup
$90,570 median asking price
616 price observations · Updated Sep 20, 2026
6.6L 8-cyl · Gasoline · Four-wheel drive 1 pattern · View specs
1GT1URE7-T →
10 VINs in our data
Pickup
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
2026 Sierra HD
Denali Ultimate
6.6L 8-cyl · Diesel · Four-wheel drive 2 patterns · View specs
1GT4UYEY-T →
5,378 VINs in our data
Pickup
$102,010 median asking price
799 price observations · Updated Sep 20, 2026
1GT1UXEY-T →
36 VINs in our data
Pickup
$91,988 median asking price
15 price observations · Updated Sep 20, 2026
2026 Sierra HD
PRO
6.6L 8-cyl · Diesel · 4x2 4 patterns · View specs
1GD5HLEY-T →
4 VINs in our data
Incomplete
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GD3HLEY-T →
3 VINs in our data
Incomplete
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GT1HLEY-T →
1 VINs in our data
Pickup
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GD3HPEY-T →
66 VINs in our data
Incomplete
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
1GD4ULEY-T →
62 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 · 4x2 5 patterns · View specs
1GT3HLE7-T →
35 VINs in our data
Pickup
$50,350 median asking price
6 price observations · Updated Sep 20, 2026
1GD5HLE7-T →
35 VINs in our data
Incomplete
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GD2HLE7-T →
215 VINs in our data
Incomplete
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GT5HPE7-T →
11 VINs in our data
Pickup
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GT4HPE7-T →
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 4 patterns · View specs
1GT5ULE7-T →
1,564 VINs in our data
Pickup
$55,133 median asking price
248 price observations · Updated Sep 20, 2026
1GT2ULE7-T →
147 VINs in our data
Pickup
$55,489 median asking price
24 price observations · Updated Sep 20, 2026
1GT4USE7-T →
473 VINs in our data
Pickup
$60,265 median asking price
54 price observations · Updated Sep 20, 2026
1GT1ULE7-T →
287 VINs in our data
Pickup
$58,630 median asking price
30 price observations · Updated Sep 20, 2026
2026 Sierra HD
SLE
6.6L 8-cyl · Diesel · 4x2 1 pattern · View specs
1GD3HREY-T →
9 VINs in our data
Incomplete
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
1GT1UMEY-T →
252 VINs in our data
Pickup
$71,737 median asking price
15 price observations · Updated Sep 20, 2026
6.6L 8-cyl · Gasoline · Four-wheel drive 2 patterns · View specs
1GD5UME7-T →
2 VINs in our data
Incomplete
No qualifying asking-price sample for this pattern.
Limited record — some specifications may be missing.
1GD5UTE7-T →
14 VINs in our data
Incomplete
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 2026 Sierra HDs listed for?
Explore model-year asking prices and available market history.
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.
Asking-price history →