2023 Jeep Wrangler 392 Fuel Economy: What To Expect

14 MPG combined. This is the headline figure for the 2023 Jeep Wrangler 4dr 4WD with the 6.4L V8, and it’s a number that elicits either a shrug or a gasp, depending on who you ask. For Wrangler 392 buyers, it likely falls into the former category. This isn’t a vehicle purchased for maximizing fuel efficiency; it’s bought for its immense off-road capability, its ferocious acceleration, and its unapologetic attitude. It’s a deliberate choice, embracing a specific lifestyle rather than prioritizing economy.

City and highway performance

The EPA estimates the Wrangler 392 achieves 13 MPG in the city and 17 MPG on the highway. The city figure reflects the engine’s thirst when constantly accelerating from stoplights or navigating congested areas. The highway number, while still relatively low, does show some improvement. Remember that the Wrangler’s brick-like aerodynamics aren’t conducive to high-speed efficiency. The Wrangler isn’t streamlined, and it proudly cuts through the air, which is part of both its charm and its downfall on the highway.

Annual fuel cost

The EPA calculates the annual fuel cost for the 2023 Jeep Wrangler 392 at $4,150. This figure is based on driving 15,000 miles per year, with 45% of those miles driven in the city and 55% on the highway, using national average fuel prices. The number represents a substantial expense, significantly higher than most vehicles on the road today. Anyone considering this vehicle should factor this cost in when assessing whether this particular model fits their budget. Drivers can explore all Jeep fuel economy data on our website to see how the 392 stacks up.

Real-world expectations

In real-world driving, achieving the EPA estimates could be challenging. Aggressive driving, modifications (such as larger tires or lift kits), and frequent off-road excursions will all negatively impact fuel economy. Stop-and-go traffic or extended idling also take a toll. Expect the Wrangler 392’s MPG to be highly variable, fluctuating depending on individual driving habits and terrain.

How it compares

The Wrangler 392 exists in a rarefied space. Few vehicles offer similar levels of off-road prowess combined with such a potent engine. Comparing it to other Wranglers is useful, the standard 2.0L turbo 4-cylinder manages around 22 MPG combined, while the 3.6L V6 returns somewhere around 20 MPG combined, but these variants offer significantly less power and a different driving experience. A more relevant comparison might be to something like a Ford Bronco Raptor, which has a similar mission of off-road performance and powerful engine. The Bronco Raptor achieves somewhere near to 15 MPG combined, slightly better than the Wrangler 392. When comparing to other Wranglers, you can explore WRANGLER MPG across all years.

Tips to maximize efficiency

Monitor your driving habits. The Wrangler 392’s engine is responsive, and it’s tempting to frequently use all of that power. Smooth acceleration and consistent speeds can significantly improve fuel economy. Avoid hard braking and aggressive acceleration. Treat the throttle gently, especially around the city.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, which lowers fuel economy. Consult the sticker on your driver’s side doorjamb for recommended tire pressures, and check them regularly. Pay attention to the tire pressures immediately after returning to pavement after going off road.

Remove unnecessary cargo. Extra weight increases the amount of energy required to accelerate, decreasing fuel economy. Remove any items you don’t need from the vehicle, especially heavy objects. Be conscious of the amount of gear contained in roof racks or hitch-mount cargo carriers, and ask if you truly need that extra equipment on the journeys you’re taking.

Service your vehicle regularly. Routine maintenance, such as oil changes and air filter replacements, ensures the engine is running efficiently. Also, be vigilant with the vehicle’s various computer systems, which control everything from engine functions to fuel mapping. If a warning light illuminates, investigate the problem immediately. An ill-performing powertrain won’t be fuel efficient.