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2025 Ram 1500 Ramcharger and REV Platform Detailed, Promises Best-In-Class Everything

STLA Frame platform 55 photos
Photo: Stellantis
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Stellantis just released more details about its big-boy platform for big-boy trucks, namely the STLA Frame of the upcoming Ram 1500 Ramcharger and REV. The attached release is full of class-leading promises, including a targeted 690 miles (1,110 kilometers) of total range for the range-extended Ramcharger.
The best-in-class accolades continue with a targeted 500 miles (805 kilometers) for the battery-electric REV. Targeted is the automaker's way of saying that EPA testing hasn't been finalized. Moving on, the STLA Frame that slots above the STLA Large of the Dodge Charger and Jeep Wagoneer S also promises a maximum payload rating of 2,700 pounds, which converts to 1,224 kilograms.

In regard to maximum towing capacity, the numbers are 14,000 pounds or 6,350 kilograms. Capable of supporting 800-volt DC fast charging at up to 350 kilowatts in BEV configuration, the largest architecture developed by Stellantis can add 100 miles (161 kilometers) of range in merely 10 minutes.

The Ramcharger, meanwhile, should achieve no more than 50 miles (80 kilometers) in 10 minutes at 400 volts and 175 kilowatts. Bi-directional charging is also mentioned, along with a ground clearance of up to 10.3 inches (262 millimeters). Maximum tire diameter? Make that 33 inches or 838 millimeters.

Said tire diameter is an indicator that Ram is currently working on a battery-electric sibling for the inline-six 1500 Rebel, with said off-road truck flaunting 275/70 by 18-inch rubber. In other words, a tire diameter of 33 inches. The 1500 RHO, which indirectly replaces the Hellcat-powered 1500 TRX, uses 325/65 by 18-inch tires with a height of 35 inches.

STLA Frame also supports up to 24 inches (610 millimeters) of water fording, whereas the 2025 Ram 1500 RHO is much obliged to handle 32 inches. The platform uses high-strength steel throughout, with Stellantis highlighting reinforced frame rails to protect the center section-mounted battery pack.

2025 Ram 1500 Ramcharger official reveal
Photo: Ram Trucks
To reduce aerodynamic drag, a full-length belly pan joins the party. Engineered to accept future energy storage technologies, which likely include solid-state batteries, STLA Frame currently accommodates liquid-cooled batteries with capacities of 159 to more than 200 kilowatt hours. The 24-module Max Range battery pack of the Chevrolet Silverado EV is estimated at 205-odd kilowatt hours.

Developed for trucks, utility vehicles, and commercial vehicles alike, this multi-energy architecture delivers all-wheel drive by means of two electric drive modules with up to 250 kilowatts on tap for each. That's a maximum of 500 kilowatts or 671 mechanical horsepower, which can also be read as 680 metric ponies.

The dash to 60 miles per hour (97 kilometers per hour) should be achieved in 4.4 seconds, with Stellantis further noting a choice of suspension designs, including air suspension. Originally intended to go on sale by the end of the current year, both the Ramcharger and REV are due in the first half of 2025.

229 kilowatt hours is the highest the REV's battery can go, whereas the Ramcharger uses a 92-kWh pack. It's joined by a 250-kW front electric drive unit, a 238-kW rear electric drive unit, and a 130-kW generator that wouldn't mean a thing without the 3.6-liter Pentastar naturally aspirated V6 up front. Of course, there is no direct mechanical path between the six-cylinder lump and the driven wheels.

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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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