Cadillac Commercial Chassis MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Cadillac Commercial Chassis model year from 1988 to 1993 — each engine and transmission with its official city, highway and combined figures. Over these years the Commercial Chassis has been offered with 4.9L 8-cyl, 4.5L 8-cyl engines; the most efficient version is the 1989 (up to 18 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Cadillac Commercial Chassis fuel economy by year

YearCombinedEnginesMedian used priceFor sale
1993 16 MPG 4.9L 8-cyl
1992 16 MPG 4.9L 8-cyl
1991 16 MPG 4.9L 8-cyl
1990 16 MPG 4.5L 8-cyl
1989 18 MPG 4.5L 8-cyl
1988 17 MPG 4.5L 8-cyl

1993 Cadillac Commercial Chassis: engines & MPG

The 1993 Commercial Chassis was EPA-rated in 1 version (4.9L 8-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.9L 8-cyl Automatic 4-spd Premium 14 22 16 MPG

1992 Cadillac Commercial Chassis: engines & MPG

The 1992 Commercial Chassis was EPA-rated in 1 version (4.9L 8-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.9L 8-cyl Automatic 4-spd Premium 14 21 16 MPG

1991 Cadillac Commercial Chassis: engines & MPG

The 1991 Commercial Chassis was EPA-rated in 1 version (4.9L 8-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.9L 8-cyl Automatic 4-spd Premium 14 22 16 MPG

1990 Cadillac Commercial Chassis: engines & MPG

The 1990 Commercial Chassis was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.5L 8-cyl Automatic 4-spd Premium 14 22 16 MPG

1989 Cadillac Commercial Chassis: engines & MPG

The 1989 Commercial Chassis was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.5L 8-cyl Automatic 4-spd Regular 15 23 18 MPG

1988 Cadillac Commercial Chassis: engines & MPG

The 1988 Commercial Chassis was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 17 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Commercial Chassis 4.5L 8-cyl Automatic 4-spd Regular 15 22 17 MPG

Frequently asked questions

What MPG does a Cadillac Commercial Chassis get?

Depending on year and engine, EPA combined ratings for the Commercial Chassis range from 16 to 18 MPG. The most efficient rated version is the 1989 model year.

What engines does the 1993 Cadillac Commercial Chassis have?

The 1993 Commercial Chassis was EPA-rated with 4.9L 8-cyl engines — see the 1993 table above for each version's exact city/highway figures.

Does the Cadillac Commercial Chassis require premium gas?

Some versions do: EPA lists premium gasoline and regular gasoline depending on year and engine — check your year's table above.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of August 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Cadillac Commercial Chassis EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/cadillac/commercial-chassis.

Fuel economy of other models

Cadillac Escalade MPG by year · Cadillac XT5 MPG by year

See also: Cadillac Commercial Chassis hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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