When looking for a full-size truck, there’s no doubt that the 2025 GMC Sierra 1500 is one to keep on your radar. Here it goes toe-to-toe with the powerful Ram 1500. Both have strong performance and standout features, but which one do you think comes out on top in this full-size truck comparison?
Key Takeaways:
- As of May 15, 2025, GMC Sierra 1500 trims are $39,145 to $86,890; Ram 1500 trims are between $42,370 and $89,170.
- The Sierra 1500 will receive more changes in 2025 than the Ram 1500.
- Compared to the Ram 1500, the Sierra is tops in fuel economy.
What Changes Have Been Made to the 2025 Ram 1500?
The 2025 Ram 1500 gets several trim-specific changes.
- Cruise control is now standard across all gas-powered trims.
- RWD SLE, Elevation, and SLT trims get a trailer brake controller.
- Super Cruise comes standard on the Denali Ultimate.
- A Universal Vehicle Module control box is now available across trims.
- A spray-on bedliner with a redesigned logo is now standard on AT4, AT4X, Denali, and Denali Ultimate.
- AT4 trim upgrades get standard 275/60R20 all-terrain blackwall tires, a 255/80R17SL all-season spare tire, and optional 275/65R18C Goodyear Wrangler Territory MT tires. Standard 20-inch machined wheels with carbon gray accents and optional 18-inch wheels with dark pockets also add to this model.
- 22-inch bright split-spoke wheels are available on all trims.
- GMC discontinues Dynamic Blue Metallic and Deep Bronze Metallic.
- Pro Crew Cab FWD is now FlexFuel-compatible.
- MultiPro Tailgate is available for SLE RWD and Elevation trims.
The Ram 1500 also has its share of changes. A twin-turbocharged inline-six replaces the classic HEMI V8, and there's been a style refresh across the board that includes updated paint colors, new wheel designs, revised lighting, and tech and interior upgrades.
What is the Starting Price of the 2025 GMC Sierra 1500?
Starting MSRPs for the 2025 GMC Sierra 1500 trims are:
- Pro: $39,145
- SLE: $49,645
- Elevation: $51,345
- SLT: $57,095
- AT4: $67,995
- Denali: $68,090
- AT4X: $80,595
- Denali Ultimate: $86,890
2025 Ram 1500 trims are a little more expensive in comparison.
- Tradesman: $42,370
- HFE: $43,155
- Big Horn: $47,030
- Warlock: $56,355
- Laramie: $62,125
- Rebel: $66,290
- Limited: $77,250
- Longhorn: $77,745
- Tungsten: $89,170
How Many Engine Options Are Seen From the 2025 GMC Sierra 1500?
The GMC Sierra 1500 gives you four different engines to choose from, and each one packs plenty of punch. Let's take a closer look at each.
- A turbocharged 2.7-liter four-cylinder generates 310 horsepower and 430 lb-ft of torque and mates with an eight-speed automatic transmission.
- A 5.3-liter EcoTec3 V8 cranks out 355 horsepower and 383 lb-ft and pairs with a 10-speed auto (as do the following engines).
- A 6.2-liter EcoTec3 V8 delivers 420 horsepower and 460 lb-ft of torque.
- A 3.0-liter Duramax turbo-diesel makes 305 horsepower495 lb-ft of torque.
The Ram 1500's HEMI V8 is officially out. In its place are:
- A twin-turbo inline-six paired with an eight-speed automatic, generating 420 horsepower and 469 lb-ft of torque. (A high-output version brings those numbers up to 540 horsepower and 521 lb-ft.)
- A 3.6-liter Pentastar V6 with a 48-volt hybrid system, delivering 305 horsepower.
When it comes to towing, the Sierra 1500 leads the pack with a max capacity of 13,200 pounds. The 2025 Ram 1500 trails behind with a max rating of 11,580 pounds. More power and options show that this category belongs to the Sierra 1500.
Does the 2025 GMC Sierra Get Good Gas Mileage?
Because the Sierra 1500 comes in so many sizes and configurations, gas mileage varies. Of the engines, the Duramax diesel engine is your best bet for real efficiency, getting up to 23 mpg in the city and 29 on the highway.
The Ram 1500 does pretty well, too. Its base figures are 18 mpg city and 25 highway, dropping by one mpg in each category if you go with four-wheel drive.
Is the 2025 GMC Sierra 1500 Worth Purchasing?
If you’re looking for towing muscle, engine variety, and solid fuel economy, the Sierra 1500 has the edge. Still on the fence? Swing by Reliable for a test drive. Our team’s here to answer questions, walk you through the trims, and help you find your ideal truck!