The gas mileage for a 1987 Oldsmobile Calais typically ranges from about 20 to 25 miles per gallon (mpg) for city driving and around 25 to 30 mpg for highway driving, depending on the specific engine and driving conditions. These figures can vary based on maintenance, driving habits, and the vehicle's overall condition. It's worth noting that the Calais was available with different engine options, which could also impact fuel efficiency.
under car in the back by gas tank
I get about 30 miles to the gallon with my olds achieva.
stick a siphon hose down the filler neck and start sucking.just don't sollow any, and then wash your mouth out. they stopped making the calais in 1991.....tuner1978
18 MPG.
18 city 24 Highway
The gas mileage for a 1987 Ford Crown Victoria is 17 miles per gallon on the highway and 11 miles per gallon in the city. The combined mileage is 13 miles per gallon.
Oldsmobile no longer exists, so this is based on historical data. The Alero seems to have the best gas milage of the 2004 cars, which was the last model year made.
Mine gets about 19 hwy
12 mpg
A 2002 Oldsmobile Alero is able to hold 14.1 gallons of gasoline. Its gas mileage is around 21-25 miles per gallon.
I get from 12 to 16 mpg on my 1987 325iC. It has the inline 6 cylinder engine. 2.5L 152CI Eats lots of gas for such a little car.
if it is an Automatic expect 30 mph on highway...1.6 l engine