Gas Mileage problem

Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
Post Reply
ergoguy34
SE Member
SE Member
Posts: 20
Joined: Tue Jul 22, 2008 8:31 am
Year and Trim: 2000 Silver Bonneville SSEI 120K

Re: Gas Mileage problem

Post by ergoguy34 »

I cant believe you guys get that kind of mileage, I have never seen more than 21 mpg with my 2000 SSEI since I purchased it in 2001 with 17k...
Top
Maymybonneliveforevr
Posts like a Northstar
Posts like a Northstar
Posts: 2250
Joined: Wed May 21, 2008 8:40 pm
Year and Trim: 01 Buick Century Limited
10 Toyota Avalon XLS
Location: Brampton Canada

Re: Gas Mileage problem

Post by Maymybonneliveforevr »

I've owned 3 Bonneville's and have always gotten way more then 21 mpg although I can attibute some of it to my driving habits.
Top
ergoguy34
SE Member
SE Member
Posts: 20
Joined: Tue Jul 22, 2008 8:31 am
Year and Trim: 2000 Silver Bonneville SSEI 120K

Re: Gas Mileage problem

Post by ergoguy34 »

I certainly dont hammer my SSEI ( too much ) but mostly normal adult daily driving and I swear I have NEVER got better than 21 mpg and I only run 93 octane. Whats up with that, she is due for a tune up but I have done it in the past with no fuel economy improvements, actually we rarely get better than 19.5 mpg regardless of how its driven...
Top
Post Reply

Return to “1992-1999”