I have a 1996 Regal 2 door Gran Sport. Just coming back from a 300 mile trip (usually driving about 120 kmh, or 75 mph) I did 29 mpg. Quite pleased.
HahaiminFlorida
Oct 8, 2007 08:24 PM
i have a 98 and i get 17 city and about 20 on the highway with a rather "spirited" driving style lol
ssregal00
May 8, 2008 04:25 PM
I get about 16 or 17 in the city and have gotten 32 on the highway using cruise at 62mph a couple of times in my GS.
samueljackson
May 8, 2008 09:11 PM
Originally Posted by MrBSS
I have a '97 Ultra (Supercharged). It is my second; first purchased new and sold at ~260,000 miles. I still see it driving around the neighborhood.
I think you will like the SC engine. You can get very good economy if you drive nice, and still have a car that is very fast when you want it to be.
One small downside is that you are supposed to use 91 octane fuel. However, I don't believe you will do any damage using regular because the engine computer will retard the timing at incipient knock. Particularly during winter, I often use regular and have seen no problems.
PS: Keep in mind that the Park Avenue is a larger car, and even with the same engine, is not likely to achieve the same mileage.
i agree with you totally about the ultra being great sleepers, and still be capable of good mpg.
but on the regular gas, thats just wrong. you should ALWAYS run premium on the L67s. with the L27s and the L36s, regular is fine and premium is just unnecessary.
and yes, the pcm will detect kock, and retatd the timing, but it cant do that untill AFTER the knock occurs. thats badEdited by: samueljackson
greenfellow
Sep 13, 2008 05:30 PM
Just measured on my 1996 Custom 3.8l = 21.7 mpg in mixed driving.
Crystalship1
Sep 14, 2008 09:48 AM
1995 Regal (4dr 3.8 L) Just got 23.1 MPG with mixed driving. [img]smileys/smiley1.gif[/img]
