2002 Pontiac Grand Prix Consumer Review: Gas mileage

2002 Pontiac Grand Prix Sedan - Consumer Review

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By tbrenz93 on


2002 Pontiac Grand Prix GT 4dr Sedan (3.8L 6cyl 4A)


I currently own a 2002 grand prix with 161,100 miles on it and for some reason it goes through $15 of gas in
a few miles. I wouldnt recommend driving it to 160,000 miles, its a junker now.

Best Features

Power, Exterior

Worst Features

Better Mileage
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By sled6
on 02/28/14 09:26 AM (PST)

I currently own a 2002 Pontiac Grand Prix GT 2dr 3.8L with 241,000 miles on it & for some reason it's going thru fuel a lot. I was at 1/4 tank on Monday morning & put in $6 which didn't move the needle a bit. Tuesday morning I put in $21 in which only gave me 1/4 tank more than previous after driving 270 miles during the week to & from work to home & no extra driving I'm back to 1/4 of tank. If I can find out why it's doing this will determine whether or not I will keep this car to 300,000 miles that was the goal.

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By hotshotnewton
on 03/08/14 18:37 PM (PST)

if you realize how far you went and what motor you have.... you are getting more then 16mpg and that's city miles that your talking about. for a v6 that is pretty dang good. my 02 grand prix has the 3.1 and I drive like I stole it and I get nearly 280 miles on every full tank which is nearly 16.3mpg. if I take it easy and go long distance taking the freeway, I get nearly 400 miles per full tank. my car has about 224000miles on it and it purrs like a kitten. it is a great family car. gm's 3.1, 3.4, & 3.8 have simple problems such as the head and intake gaskets have an issue of lasting more then 80000-120000miles and need replaced with a new and upgraded gasket, which I have already done my self to my own car and it still runs great like it just rolled off the assembly line

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