The document compares the Toyota Tacoma mid-size truck and the Chevrolet 2500 full-size truck. The Tacoma is offered with a 4-cylinder or 6-cylinder engine getting 24-26 MPG, while the Chevrolet 2500 has an 8-cylinder engine getting 20-23 MPG. Both trucks come in 2WD or 4WD options. The Chevrolet 2500 weighs more than the Tacoma and has a larger fuel tank capacity than the Tacoma.