
The GMC Sierra is capable and fearless. Known as “professional grade”, the 2021 Sierra boasts many truck firsts. Powerful engines can be found in any truck but only the 2021 GMC Sierra offers a 6-Function Multipro Tailgate, an available HUD & Rear Camera Mirror, a Carbon Fiber Composite Bed, and more cargo bed volume than the competitors. The 2021 Sierra is not like any pickup you have seen before.
| 2021 GMC Sierra 1500 Engine Specs | ||||
|---|---|---|---|---|
| Trim Levels | Engine Size | Horsepower | Top Speed | 0-60 Acceleration |
| Denali | 5.3L V8 (Standard) – 6.2L V8 (Available) | 355hp (5.3L V8) – 420hp (6.2L V8) | 108mph (Limited) | 5.5 Seconds (6.2L V8, Estimated) |
| AT4 | 5.3L V8 (Standard, Short Box) – 3.0L 6-cyl. Turbo Diesel (Standard, Standard Box) – 6.2L V8 (Available) | 355hp (5.3L V8) – 277hp (3.0L Turbo Diesel) – 420hp (6.2L V8) | 108mph (Limited) | 6.1 Seconds (5.3L V8, Estimated) |
| SLT | 5.3L V8 (Standard) – 6.2L V8 (Available) | 355hp (5.3L V8) – 420hp (6.2L V8) | 108mph (Limited) | 6.1 Seconds (5.3L V8, Estimated) |
| Elevation | 2.7L Turbo 4-cylinder (Standard) – 3.0 6-cyl. Turbo DIesel (Available) – 5.3L V8 (Available) | 310hp (2.7L 4cyl) – 277hp (3.0L Turbo Diesel) – 355hp (5.3L V8) | 108mph (Limited) | 6.5 Seconds 2.7L, Estimated) |
| SLE | 2.7L Turbo 4-cylinder (Standard) – 3.0 6-cyl. Turbo DIesel (Available) – 5.3L V8 (Available) | 310hp (2.7L 4cyl) – 277hp (3.0L Turbo Diesel) – 355hp (5.3L V8) | 108mph (Limited) | 6.5 Seconds 2.7L, Estimated) |
| Sierra | 4.3L V6 (Standard) – 2.7L Turbo 4-cylinder (Available) – 5.3L V8 (Available) | 285hp (4.3L V6) – 310hp (2.7L 4cyl) – 355hp (5.3L V8) | 108mph (Limited) | 7.1 Seconds (Estimated) |

There are a couple of available engines, but when equipped with the 6.2L V8 the GMC Sierra has 420 horsepower. Paired with the standard 10-speed auto transmission, the Sierra is capable of towing more than 7,000 pounds.

In spite of being crafted for work vs. pure speed, the 2021 Sierra has a 108 mile per hour max speed. You will probably need the torque more frequently, but either way, the 2021 GMC Sierra is made to work.

When equipped with the 6.2L V8, the 2021 GMC Sierra can go from 0-60 miles per hour in only 5.5 seconds (estimated). Speed, comfort, and ruggedness like that mean the 2021 GMC Sierra 1500 easily mixes work and play.
Visit Shamaley GMC to discover the new GMC Sierra 1500 in El Paso, TX. Don’t wait another day to experience this distinct full-size pickup. Our team of GMC professionals are on hand and ready to serve you. Shop online or in-person. Sí,se habla español.