2026 GMC Sierra 1500 Pro vs 2026 GMC Sierra 1500 AT4
Full side-by-side comparison — pricing, performance, fuel economy, features, and safety. Updated 2026.
Full Spec Comparison
Sierra 1500 Pro starts at $42,300, $15,600 less. Sierra 1500 Pro leads with 22 MPG. Sierra 1500 AT4 makes 420 hp (+110).
| Spec | 2026 GMC Sierra 1500 Pro | 2026 GMC Sierra 1500 AT4 |
|---|---|---|
| Pricing | ||
| MSRP | $42,300 Save $15,600 | $57,900 +$15,600 |
| Powertrain | ||
| Engine | 2.7L Turbo I4 | 6.2L V8 |
| Horsepower | 310 hp 110 hp less | 420 hp +110 hp |
| Torque | 430 lb-ft | 460 lb-ft |
| Transmission | 8-Spd AT | 10-Spd AT |
| Drivetrain | RWD | 4WD |
| Fuel Economy | ||
| City MPG | 20 +6 | 14 6 less |
| Hwy MPG | 25 +7 | 18 7 less |
| Combined MPG | 22 +7 | 15 7 less |
| Interior & Tech | ||
| Seats | 3 2 less | 5 +2 |
| Cargo | 71.7 cu ft | 71.7 cu ft |
| Screen | 7.0" | 13.4" |
| Wireless CarPlay | No | Yes |
| Heated Seats | No | Yes |
| Moonroof | No | Yes |
| Dimensions | ||
| Curb Weight | 4,410 lbs | 5,150 lbs |
| Wheelbase | 147.4" | 147.4" |
| Length | 230.0" | 230.0" |
| Wheels | 17" Steel | 20" Alloy |
| Safety | ||
| Safety Suite | GMC Safety | GMC Safety |
Which Trim Is Best?
The Sierra 1500 Pro delivers value; the Sierra 1500 AT4 adds features worth $15,600.
FAQ
What is the price difference between the 2026 GMC Sierra 1500 Pro and 2026 GMC Sierra 1500 AT4?
Which gets better gas mileage, the Sierra 1500 Pro or Sierra 1500 AT4?
Is the 2026 GMC Sierra 1500 Pro worth it, or should I upgrade to AT4?
What features does the AT4 have that the Pro doesn't?
Do the Pro and AT4 have the same engine?
Which 2026 GMC Sierra 1500 trim has the best resale value?
Is the 2026 GMC Sierra 1500 a good car?
What is the total cost of ownership for the 2026 GMC Sierra 1500 Pro?
Who Should Choose the Pro
The 2026 GMC Sierra 1500 Pro is the right pick for buyers who prioritize value and don't need every available feature. At $42,300, it delivers the core Sierra 1500 experience — the same platform, the same 2.7L Turbo I4 engine, and the same safety suite — without the cost of extras that many drivers rarely use.
If your driving is primarily commuting and errands, and you'd rather put the $15,600 price difference toward other expenses, the Pro makes a strong case. Budget-conscious buyers and those buying for reliability rather than luxury will feel well-served here.
Who Should Choose the AT4
The 2026 GMC Sierra 1500 AT4 targets buyers willing to spend $15,600 more for a more complete package. That premium buys a larger touchscreen, wireless CarPlay, heated seats — features you'll interact with regularly, not just once at the dealership.
If cold mornings, long drives, or frequent passengers are part of your routine, the comfort upgrades in the AT4 pay dividends over years of ownership. If resale value matters, higher trims also tend to hold their value better as a percentage of MSRP. See how other Sierra 1500 trims compare: Sierra 1500 Pro vs Sierra 1500 SLE, Sierra 1500 Pro vs Sierra 1500 Denali, Sierra 1500 SLE vs Sierra 1500 AT4.
Why the Price Difference Exists
The $15,600 gap between the Pro and AT4 comes down to a combination of technology and comfort upgrades. Specifically, the AT4 adds a larger touchscreen, wireless CarPlay, heated seats.
There is also a performance difference: the Sierra 1500 AT4 produces 420 hp versus 310 hp, which translates to noticeable acceleration differences.
What Kind of Buyer Notices the Difference
Tech-focused drivers will immediately notice the screen and connectivity differences between trims. If you rely on wireless CarPlay or Android Auto daily, that alone may justify upgrading. During winter months, the heated seats in the Sierra 1500 AT4 become a daily comfort — something you'll appreciate every morning.
Casual drivers who use their truck primarily for commuting may find the trims feel very similar once underway. The differences are most apparent when you first get in, adjust settings, and interact with the cabin.
When Both Trims Feel the Same
On the highway at 65 mph, these two trims deliver an identical experience. Same engine note, same ride quality, same safety features active in the background. The Sierra 1500's fundamental driving character doesn't change between the Pro and AT4.
Both trims also share the same warranty coverage, the same crash-test ratings, and access to the same dealer service network. If your priority is getting from A to B in a reliable, efficient truck, either trim accomplishes that equally well. The choice ultimately comes down to how much the in-cabin experience matters to your daily satisfaction with the vehicle.