The Rubicon 392 has a bulging air scoop in the hood. The air scoop was engineered with a secondary path for air to get into the engine so that, even if the scoop’s opening becomes clogged with mud or snow, the engine can still provide provide full power. Besides 470 horsepower, the V8 engine can also produce 470 pound feet of torque, a measure of raw pulling power irrespective of speed. It’s all controlled through an eight-speed automatic transmission that can be shifted using paddles behind the steering wheel.
Jeep gives us a glimpse of its new Grand Wagoneer because it’s still a Jeep Wrangler, Fiat Chrysler engineers were able to openly test drive prototypes of the Rubicon 392 on public trails alongside other off-road enthusiasts without attracting attention or questions. They also tested its acceleration on drag strips. They did not, however, test it on race tracks because, they said, taking curves at high speeds is just never a priority for any Wrangler, including this one. To save gas, the V8 engine has a cylinder deactivation system that shuts down four of the cylinders when not much power is needed. Fiat Chrysler has not released fuel economy estimates for the Rubicon 392, though. Pricing for the new Jeep will be announced closer to when it goes on sale in early 2021.The Rubicon 392 will give Jeep something its rival Ford does will not offer, at least for the time being, in its new Bronco. The Ford Bronco will go on sale next spring and it will be a direct competitor to the Wrangler. It will be offered with a choice of either a 270-horsepower four cylinder or 310-horsepower six-cylinder engine.