Car has 28,000 miles on it, and only getting about 22. miles/gallon. what can be done to increase mileage, other than regular maintainence.

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Get an Altima. With all the horse power of the Maxima, not much else can be done but to putter around like an old woman. Could try a K&N filter for maybe a .5-1 mpg increase.

Posted on May 30, 2009

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Posted on Jan 02, 2017

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Gas mileage depends on several factors.

Average for a 2003 model is 17 city and 27 highway.

So if you combine those numbers, you could expect an average of 22 mpg which would be 4.5 gallons in 100 miles.

Average for a 2003 model is 17 city and 27 highway.

So if you combine those numbers, you could expect an average of 22 mpg which would be 4.5 gallons in 100 miles.

Jan 20, 2016 | Cadillac Cars & Trucks

Depends on miles per gallon of vehicle. Average mpg of say 15 mpg would take 15 gallons to travel 225 miles.(15x15=225). At $2.29 per gallon @15 gallons=$34.35. So figure out mpg of your vehicle and do the math.

Feb 27, 2015 | Cars & Trucks

The Fuel Economy of the 2004 Hyundai Santa Fe is listed as being 16 mpg in the city and 22 mpg on the highway.----------------------------------------------------------------------------------

**Digiprog3 Odometer Correction Tool**

Feb 21, 2013 | 2004 Hyundai Santa Fe

One tank of gas is not enough to compare mileage. Or are you saying the computer's readout of mpg estimate is showing less? Try a tank or two of premium and see if that helps. Keep track of gas mileage. Driving techniques have a lot to do with gas mileage, as does long trips vs. short trips, highway cruising vs. city driving. For best mileage, do regular maintenance and keep the car in top running condition-good spark plugs and clean filters and clean oil ! Attend to minor problems before they escalate.

If you want to check actual miles per gallon, start with a full tank. Write the odometer reading down, and go. Everytime you put gas in, write down the amount. When you are close to 1,000 miles from the time you started, go fill the tank and include that amount of gas to your previous list. Now add up all the gas used and divide it into the miles to get miles per gallon. (976 miles/31.8 gallons = 30.69 mpg ) . Only one tank will skew your numbers, might be off cause the tank was filled more to the top than the previous fill-up. About a thousand miles of driving will give you a very accurate figure of miles per gallon for your car.

If you want to check actual miles per gallon, start with a full tank. Write the odometer reading down, and go. Everytime you put gas in, write down the amount. When you are close to 1,000 miles from the time you started, go fill the tank and include that amount of gas to your previous list. Now add up all the gas used and divide it into the miles to get miles per gallon. (976 miles/31.8 gallons = 30.69 mpg ) . Only one tank will skew your numbers, might be off cause the tank was filled more to the top than the previous fill-up. About a thousand miles of driving will give you a very accurate figure of miles per gallon for your car.

Jun 21, 2012 | 2003 Toyota Camry

To determine fuel mileage, you don't need to know the tank size. Fill the tank and write down the odometer reading. Drive a few days, then fill it again. Write down how many gallons it took to do that.

(gallons are right on the pump at the station). Subtract the miles you first wrote down from the reading when you filled it the second time. That's how many miles you drove. Divide that number by the gallons you used and that tells you how many gallons it took per mile. So, if you drove 100miles and used 10 gallons, your mpg is 10.

The capacity of the tank is not how many gallons you can use before you run out of fuel. All tanks have a space below the fuel pickup that contains one to three gallons of fuel you can't use. So, if planning a trip etc, figure your "range" on how many gallons it takes to fill it up from a pre-determined low reading on the gauge. ignoring the actual capacity.

One tip: it's good practice to never permit any vehicle with an electric pump go much below 1/4 tank. The pump is cooled by the fuel in there and running low will cause it to run hot and shorten it's life.

(gallons are right on the pump at the station). Subtract the miles you first wrote down from the reading when you filled it the second time. That's how many miles you drove. Divide that number by the gallons you used and that tells you how many gallons it took per mile. So, if you drove 100miles and used 10 gallons, your mpg is 10.

The capacity of the tank is not how many gallons you can use before you run out of fuel. All tanks have a space below the fuel pickup that contains one to three gallons of fuel you can't use. So, if planning a trip etc, figure your "range" on how many gallons it takes to fill it up from a pre-determined low reading on the gauge. ignoring the actual capacity.

One tip: it's good practice to never permit any vehicle with an electric pump go much below 1/4 tank. The pump is cooled by the fuel in there and running low will cause it to run hot and shorten it's life.

Sep 25, 2011 | 1986 Chevrolet Suburban

You cannot rely on these mileage displays. To know for sure fill the fuel tank up and write down the mileage on the vehicle at that time. Drive the car until you have 1/4 fuel in the tank. Fill the tank and note the amount of fuel it took to fill it up. Divide the gallons necessary to fill it up into the miles driven since the last fill up. You now know the mpg the car got. Example: You drove 300 miles and the car used 16 gallons of fuel. 300 divided by 16 equals 18.75 mpg.

Oct 27, 2010 | 1998 Cadillac Eldorado

May 11, 2010 | 1993 Jeep Grand Cherokee

Your car should average roughly 32.5 mpg-US (7.24 L/100 km; 39.0 mpg-imp)

Oct 01, 2009 | 2000 Volkswagen Beetle

My pt gets only 16 to 18 miles per gallon.check your air filter.

May 24, 2009 | 2006 Chrysler PT Cruiser

Are you using the correct grade of fuel.

Manufacturers claim that a car will do 28 to the gallon.

This is done under ideal conditions at a constant speed on a rolling road.

Wind, hills, overtaking and tire pressures will decrease fuel mileage.

Your car is ok. Don`t expect much more unless you want to drive at 56mph

good luck

Manufacturers claim that a car will do 28 to the gallon.

This is done under ideal conditions at a constant speed on a rolling road.

Wind, hills, overtaking and tire pressures will decrease fuel mileage.

Your car is ok. Don`t expect much more unless you want to drive at 56mph

good luck

Jan 25, 2009 | 2008 Ford Taurus

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