GMC Sierra 1500 AT4: Price, MSRP & Specs
Updated
The 2027 GMC Sierra 1500 AT4 has an MSRP of $70,700 before destination. Used, it lists at a median $45,077 at 59,054 mi across 5,905 dealer listings (Nov 7, 2026). EPA: 3.0L 6-cyl Diesel, automatic 10-spd, 4-wheel drive, 24 mpg combined (2021). Offered 2019–present.
Sierra 1500 AT4 MSRP by model year
| Model year | MSRP |
|---|---|
| 2027 | $70,700 |
| 2026 | $68,300 |
Base MSRP before the destination charge.
Used Sierra 1500 AT4 for sale by model year
| Model year | Listings |
|---|---|
| 2026 | 546 |
| 2025 | 734 |
| 2024 | 1,044 |
| 2023 | 939 |
| 2021 | 1,122 |
| 2020 | 653 |
Sierra 1500 AT4 specs
| Engine | Transmission | Drive | City / Hwy / Comb |
|---|---|---|---|
| 3.0L 6-cyl Diesel | Automatic 10-spd | 4-Wheel Drive | 22 / 26 / 24 mpg |
| 5.3L 8-cyl Regular Gasoline | Automatic 10-spd | 4-Wheel Drive | 16 / 21 / 18 mpg |
| 5.3L 8-cyl Regular Gasoline | Automatic 8-spd | 4-Wheel Drive | 16 / 21 / 18 mpg |
| 5.3L 8-cyl Regular Gasoline | Automatic 6-spd | 4-Wheel Drive | 14 / 18 / 16 mpg |
| 6.2L 8-cyl Premium Gasoline | Automatic 10-spd | 4-Wheel Drive | 15 / 19 / 17 mpg |
Source: EPA fuel economy data (fueleconomy.gov).
What buyers paid for the Sierra 1500 AT4
7 verified deals: $65,892–$70,498, 8.8% average off MSRP.
2026 GMC Sierra 1500
AT4
2026 GMC Sierra 1500
AT4
2026 GMC Sierra 1500
AT4
2026 GMC Sierra 1500
AT4
2026 GMC Sierra 1500
AT4
2026 GMC Sierra 1500
AT4
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GMC Sierra 1500 AT4 FAQ
How much is the Sierra 1500 AT4?
2027: $70,700; 2026: $68,300 MSRP, before destination. Used examples list at a median $45,077.
How many used Sierra 1500 AT4s are for sale?
5,905 were listed at US dealers as of Nov 7, 2026, most from 2021.
What engine does the Sierra 1500 AT4 have?
3.0L 6-cyl Diesel with automatic 10-spd; 5.3L 8-cyl Regular Gasoline with automatic 10-spd; 5.3L 8-cyl Regular Gasoline with automatic 8-spd; 5.3L 8-cyl Regular Gasoline with automatic 6-spd; 6.2L 8-cyl Premium Gasoline with automatic 10-spd (2021, EPA).
What MPG does the Sierra 1500 AT4 get?
22 city / 26 highway / 24 combined mpg (2021, EPA).