i have th 05 LS and i use unleaded but i make sure to put the "expensive stuff" in it once a month, but try to use STP with your gas when you fill up on the good stuff. STP is gas treatment that you can buy from retail stores, such as; Walmart, autozone, discount autoparts, nappa, etc. -Shocker
The 2001 Chevrolet Impala is a gas-powered vehicle.
The gas tank on the 2001 Chevrolet Impala holds 17 gal..
17
It is in the gas tank.
Try 87 octane as long as it does not "ping" excessively you should be OK
There is no reset.
93
17 us gallons
Regular unleaded
17 u.s. gallons (64 liters).....
if it has been rebuilt regular unleaded,but if it has alot of miles mid grade or high grade
Fuel capacity (gal.): 17.0