X 1991 GMC Sierra 1500 2WD

6.2 L, 8 cyl, Man 5-spd, Diesel

EPA Fuel Economy

Combined: 20 MPG

City: 18 MPG

Highway: 23 MPG

X 1990 Honda Civic CRX

1.6 L, 4 cyl, Man 5-spd, Regular Gasoline

EPA Fuel Economy

Combined: 27 MPG

City: 24 MPG

Highway: 30 MPG

Average: 33.7 MPG

Range: 24  to  42 MPG

Based on 6 vehicles

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