1981 Gas Mileage Guide: EPA Fuel Economy Estimates Second Edition
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Therefore, these estimates do not predict actual mileage, but should be used to compare the relative fuel economy performance of dii- ferent new models driven under the same test conditions. Choose Your New Car Carefully The greatest single step in saving gasdine is to choose your next car carefully. First, determine the size and type car that can best satisfy your normal driving needs. Next, consider other important factors, such as number of cylinders and type of transmission. Then use the estimated mpg and the average annual fuel cost chart to help you decide which model in that size class to buy. Use Driving Skills That Save Fuel Drive at a moderate speed. Smooth, steady driving improves fuel economy performance. Try to avoid sudden stops and starts. Anticipate intersections and stoplights so you can stow down gradually and try to arrive when the light is green. Avoid tail- gating and unnecessary accelerating and braking. Minimize idling; after starting a cdd car, drive slowly for the fim few minutes to warm the motor and moving parts. This is more fuel- efficient than prolonged warm-up idling. On the highway, you will cover more miles between fill-ups by driving at or below the 56 mile-per-hour speed limit. A vehicle traveling 70 mph uses as much as 20 percent more fuel than at 55 mph. Keep Your Vehicle in Prime Condition For best fuel economy, maintain your vehicle according to the manufacturer's specifications. Tuned-up vehicles average approwi- mately 4-8 percent better gas mileage than those not properly tuned. Keep the tires inflated to the proper pressure. Each pound of underinflation can cause a fuel loss of 'h percent. Annual Fuel Costs Fuel costs are changing rapidly and vary considerably by area. The following table enables you to calculate annual fuel cost using fuel prices in your area. These costs are based on 15,000 miles of driving. (The annual fuel cost displayed on the fuel economy label of 1981 cars is based on 15,000 miles of driving and a gasoline cost of $1.55 per gallon or diesel fuel at $1.45 cents per gallon. How This Guide Can Hdp You METRIC CONVERSION CHARTS To help compare the fuel economy of similarly sized MIL MPG Gallons Liters Liters Gallons passenger cars and station wagons, these vehicles are grouped in classes according to interior size. Trucks are grouped by capacity in terms of gross vehicle weight. The manufacturers are listed alphabetically within each size class. Car lines are listed alphabetically under each manufacturer. The bar to the right of each model illustrates the vehicle's estimated Mffi for each transmission and engine combina- tion offered. CAR CLASSES Two-Seater -Can designed to seat primarily two adults (page 101 Minicompact -Less than 85 cubic feet of paswnger and luggage volume (pages 10-11 ) Sumompact -Between85 and 100 cubic feet of passenger --- Compact - Between 100 and 110 cubic feet of passenger and luggage volume (pages 15-1 7) Mid-Size - Batween 110 and 120 cubic feet of passenger and luggage volume (pages 18-20) Large- 120 or more cubic feet of passenger and luggage vdume (pages 21-22) Station Wagons Small -Less than 130 cubic feet of passenger and cargo vdume (pages 22-23) Mid-Size - Between 130 and 160 cubic feet of passenger and cargo volume (pages 23-25) Large - 160 or more cubic feet of passenger and cargo vdume (page 251 TRUCK CLASSES Small Pickups -Trucks having Gross Vehicle Weight Ratings IGVWR, truck weight plus carrying capacity) under 4,500 pounds; 2-Wheel Drive lpages 25-26); 4-Wheel Drive (page 27) Standard Pickups -Trucks having GVWR's of 4,500 to 8,500 pounds; 2-Wheel Drive (pages 27-30); 4-Wheel Drive (pages 30-32) Vans -Cargo (pages 32- 33); Passenger lpages 33- 34) SPECIAL PURPOSE VEHICLES ! All other light vehicles not in another car or truck class; 2-Wheel Drive (page 35); 4-Wheel Drive (pages 35-37); cab chassis (page 37) @,or to purchase, check with your dealer and read the fuel Manufacturer, Car Line Names and economy label affixed to every car for information on the exact Interior Vdume Index . engine with which that vehicle will be equipped. The manufacturers are listed alphabetically within each size Transmission (TR): The following abbreviations are used to class. Car lines are listed alphabetically under each manufacturer. describe the type of transmission: The interior volume index is listed for each body style except S2 Semiautomatic two speed two seaters: 2-door (2-OR), 4-door (4-DRI, and hatchback A3 Automatic three speed (HBKI. The interior volume index is one way of estimating the A4 Automatic four speed space in a car. It is based on four measurements - head room, I shoulder room, hip room, and leg room -for the front and rear M3 Manual three speed seats, plus trunk capacity. The interior volume index is given as M3 (OD) Manual three speed with separate overdrive unit two numbers (in cubic feet; example 871121. The first is an esti- M4 Manual four speed mate of the size of the passenger compartment; the second, the size of the trunk or, in station wagons and hatchbacks, the M4 (OD) Manual four speed with separate overdrive unit cargo space behind the second seat. M31 M4C Manual three speed, or manual four speed with creeper first gear Vehiie Description M4C Manual four speed with creeper first gear M5 Manual five speed Each line in the Guide shows an engine-transmission combina- tion available within the listed car line identified by the following M4 x 2 Dual range manual four speed designations: Fuel System (FS):"FI" for fuel injection or the number of Engine Description (€01: Size listed by cubic inch displace- barrels in the carburetor. ment ICID),and liters (L), or cubic centimeters (CCI where available. The single number differentiates between 4, 5, 6, and 8 cylinder engines or 1 and 2 rotors (for example, 97/41. When engine size and number of cylinders are not an adequate descrip- The Energy Tax Act of 1978 established a Gas Guzzler Tax on tion of an engine, the following engine-type designations are the sale of new model year vehicles whose fuel economy fails to also given: meet certain statutory levels. The fuel economy figures used to determine the Gas Guzzler Tax are different from the fuel econ- CALIF or CAL California emission control system equipped omy values contained in this booklet. The tax does not depend (does not indicate availability in California) on your actual on-the-road mpg, which may be more or less CAT, NO CAT Used to indicate catalyst usage whfm both than the EPA published value. oxidation catalyst and noncatalyst versions The purpose of the Gas Guzzler Tax is to discourage the produc- of an engine are available tion and purchase of fuel inefficient vehicles. The amount of any ROTARY Rotary engine app!icable Gas Guzzler Tax paid by the manufacturer will be DIESEL or DSL Diesel engine disclosed on the automobile's fuel economy label. TURBO or TRBO Turbocharged engine M-ENG, W-ENG Ford produces two 5.8L truck engines. They are distinguished by this designation Engine produced by GM-Buick Motor Division GM-CHEV Engine produced by GM-Chevrolet Motor Division or GM of Canada GM-OLDS Engine produced by GM-Oldsmobile Motor Division GM-PONT Engine produced by GM-Pontiac Motor Division FFS Feedback Fuel System. A system that con- trols the mlxing of air and gasoline by rnoni- toring the exhaust VARIABLE An engine designated to operate with dif- ferent number of cylinders depending on usage GUZZLER Gas Guzzler Tax applies. See page 9 for details. 8 I WU SEA TERS MIMCOMPACT CARS (Cont/nued) 30 40t mbn8tad 0 10 20 30 40t Mffi -L- .1 -- - 1 1- 1 ..-L L A. t ALFA ROMEO SPIDER Im, VCI OCE m: FI CAMEL01 FS: FI MOTOR6 HONDA 757 , CIVK: Fs: 2 4DR 76)I0 Fs: 3 CHEVROLET HEM 7-39 CORVETTE Fs! 3 FS: 3 DATSUN mx FS: 3 1R: M5 ED: 168'6lFFSl Fs! 3 TR: A3 ED. 168'6 IFF51 .. PRELUDE 3 2OR-7219 FS: 3 TR: A3 ED: t6W8 IFFSITURBOI FI: FI FS: 3 I 928 -- ..-. nBw*H) FI. FI SPIDER Im, 1R A3 ED. 273'8 IFFSI FS: FI FS: Fl RENAULl TR: A3 ED: I22 11000CC1.4 IFFSl F% FI LE CAR HBK 74/10 M4 XI19 m: ED: 85 11 4UI4 FS: 2 TI: M5 ED. 91 115U)CC1,4IFFSI FS: FI TOVOTA STARLET HBK 731I0 RX 7 FS.