Complex sentence: Their high gasoline mileage (28 MPG City/47 MPG HWY according to the EPA) and modest price were good for the time, when one compared it to the Volkswagen Rabbit Sportruck, the Rampage seemed to have the upper hand.
Split into simpler sentences: Their high gasoline mileage; 28 MPG City/47 MPG HWY according to the EPA, and modest price were good for the time. When one compared it to the Volkswagen Rabbit Sportruck, the Rampage seemed to have the upper hand.