New 2024 Jeep Wrangler Off-Road Rivals Mercedes G-Class and Defender Jeep® Brand Announces Starting Prices for 2024 Wrangler Lineup: More Capability, Advanced Technology, More Refinement Tuned specifically for the Jeep Wrangler Rubicon 392, the 6.4-liter V-8 engine is rated at 470 horsepower and 470 lb.-ft. of torque. With nearly 75% of peak torque available just above engine idle speed, the V-8 delivers exciting performance, whether enabling the 4.5-second 0-60 mph time or crawling up steep grades. The 6.4-liter V-8 uses a cast iron cylinder block, aluminum heads, active intake manifold, variable camshaft timing, twin spark plugs per cylinder, sodium-filled exhaust valves, hollow-stem intake valves and piston oil cooling jets. The Wrangler Rubicon 392 engine is fitted with a rear-sump oil pan, high-mount alternator and free-flowing exhaust manifolds.