The fuel economy of a Jeep Wrangler can vary depending on the specific model, engine type, and driving conditions. Here are some estimates for the most recent models: 2020 Jeep Wrangler with 2.0 L turbocharged engine: 10.6 L/100km (22 mpg) in the city and 9.4 L/100km (25 mpg) on the highway. 2020 Jeep Wrangler with 3.6 L V6 engine: 12.4 L/100km (19 mpg) in the city and 10.4 L/100km (23 mpg) on the highway.