The Sierra 1500 is the flagship of the GMC brand. With multiple powertrains, trims, and body styles, there are hundreds of ways to customize it to your exact needs, and it’s tough enough to tackle a wide range of jobs.
For shoppers in DeWitt and beyond looking for the best pickup truck, we’ve rounded up all your most common questions about the 2025 GMC Sierra 1500. Read on to find out everything you need to know.
What Are the Trim Levels of the GMC Sierra 1500?
Since its 2022 refresh, the trim lineup for the Sierra 1500 has remained the same. It offers eight different choices, each with their own unique features:
- GMC Sierra Pro
- GMC Sierra SLE
- GMC Sierra Elevation
- GMC Sierra SLT
- GMC Sierra AT4
- GMC Sierra AT4X
- GMC Sierra Denali
- GMC Sierra Denali Ultimate
How Much Does the GMC Sierra 1500 Cost?
Price depends on the trim, cab and bed style, and option packages selected. Here’s a breakdown of MSRP by trim:
- Pro: $38,300
- SLE: $48,800
- Elevation: $50,500
- SLT: $54,900
- Denali: $65,400
- AT4: $66,800
- AT4X: $79,400
- Denali Ultimate: $84,200
Additionally, here’s the estimated pricing for a few of the more popular factory add-ons:
- MultiPro Tailgate: $445
- KICKER® MultiPro Audio System: $895
- Upfitter Switch Kit: $150
- All-Weather Floor Liners: $265
- Console-Mounted Safe: $325
What Are the Engine Options in the GMC Sierra?
The Sierra has four different engine options to choose from, each with their own unique advantages and capabilities:
- TurboMax™ (Standard on Pro, SLE, and Elevation)
- 310 horsepower
- 430 pound-feet of torque
- 5.3-liter V8 (Standard on SLT and Denali, available on Pro, SLE, and Elevation)
- 355 horsepower
- 383 pound-feet of torque
- 6.2-liter V8 (Standard on Denali Ultimate, available on SLT, Denali, AT4, and AT4X)
- 420 horsepower
- 460 pound-feet of torque
- Duramax™ 3.0-liter Turbo-Diesel (Standard on AT4 and AT4X, available on SLE, Elevation, SLT, Denali, and Denali Ultimate)
- 305 horsepower
- 495 pound-feet of torque
What is the Towing Capacity of the GMC Sierra 1500?
Towing capacity depends on a few key factors, including the engine and body style. The max towing capacity for the Sierra is 13,200 pounds, which requires the Duramax™ engine, rear-wheel drive, Double Cab, Standard Bed, and Max Trailering Package.
Here are the max conventional trailering specs for the other three engine options:
- TurboMax™: 9,500 pounds
- 5.3-liter V8: 11,200 pounds
- 6.2-liter V8: 13,000 pounds
What Are the Bed Dimensions of the GMC Sierra 1500?
When picking the perfect truck, one of the most important decisions is which bed length is going to suit your needs. The Sierra has three different beds to choose from:
| Short Bed | Standard Bed | Long Bed | |
| Length | 69.92 in | 79.44 in | 98.20 in |
| Width | 71.40 in | 71.40 in | 71.40 in |
| Height | 22.40 in | 22.40 in | 22.40 in |
| Total volume | 62.90 cu ft | 71.70 cu ft | 89.10 cu ft |
What Are the Cab Dimensions of the GMC Sierra 1500?
Another crucial choice to make when shopping for your Sierra is which cab you want, as this will affect maneuverability and passenger capacity. There are three to choose from:
| Regular Cab | Double Cab | Crew Cab | |
| Head room (front/rear) | 43.11 in / – | 43.03 / 39.88 in | 43.03 / 40.12 in |
| Shoulder room (front/rear) | 66.02 in / – | 66.02 / 64.88 in | 66.02 / 65.16 in |
| Leg room (front/rear) | 44.53 in / – | 44.53 / 35.24 in | 44.53 / 43.40 in |
| Passenger capacity | 3 | 5 – 6 | 5 – 6 |
What is the GMC Sierra 1500 Infotainment System?
Lower-level trims come with a 7.0-inch center touch screen and a 3.5-inch driver information center, but most Sierra models get the massive 13.4-inch GMC Infotainment System and 12.3-inch color Driver Information Center. Regardless of which setup you have, all models come standard with Bluetooth streaming, wireless Apple CarPlay® and Android Auto™, and in-vehicle Wi-Fi compatibility. Available upgrades include Google built-in, wireless device charging, and a Bose® premium sound system.
Does the GMC Sierra Have Super Cruise?
Yes, Super Cruise is an available feature in the Denali trim and standard in the Denali Ultimate.
What Are the Available Colors of the 2025 Sierra 1500?
Exterior paint colors include Sterling Metallic, Titanium Rush Metallic, Thunderstorm Gray, White Frost Tricoat, Volcanic Red Tintcoat, Downpour Metallic, Cardinal Red, Onyx Black, and Summit White.
Shop GMC Sierra 1500 Models for Sale Near Clinton, IA
So, did we answer all your questions about the Sierra? If not, stop by our GMC dealership in DeWitt, IA and we’ll be happy to answer any other questions you may have. After that, you can check out our GMC Sierra 1500 inventory and schedule a test drive to find out first hand why it’s one of America’s favorite trucks.
Call us at 563-277-7207 or contact us online to set up an appointment.
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