2026 Jeep Grand Cherokee Features New Engine

6-liter V6 in most trims. This Hurricane engine produces 324 horsepower and 332 lb-ft of torque, representing an increase of 31 horsepower and 72 lb-ft over the old V6. It also offers slightly improved fuel efficiency, with up to 23 mpg combined, and operates on regular 87 octane gas.

The eight-speed automatic transmission and available Quadra-Trac II four-wheel drive have been retained. 3-inch infotainment screen and a refreshed cabin. The use of modern turbo engines, such as the one in the 2026 Grand Cherokee, highlights the importance of proper maintenance for similar engines found in other vehicles, including those from European and Japanese manufacturers.

Regular oil changes, coolant flushes, and intake valve cleaning are essential to prevent issues like carbon buildup, oil sludge, and cooling system stress over time.