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Infiniti M35/M45 Real World MPG

91 messages,  Last post on Nov 27, 2009 at 4:41 AM

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What is this discussion about? Infiniti M35, Infiniti M45, Fuel System, Sedan

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#52 of 91 2007 M45 16.8 - 17.2 1mo. combo hwy/city eom by seihugh Aug 17, 2006 (8:04 pm)
#53 of 91 Good Highway Mileage by mwg Aug 24, 2006 (7:25 pm)
Recently took my first highway trip with my M35X. Set the comnputer when I got on the highway and read it when I got off. So it was all pure highway mileage. To my suprise I got 27 MPG.Use top grade gas and have driven the car only 1700 miles. Suprised because our normal driving is 1 and 2 mile trips to supermarket,barber,friends, etc. during which we get mileage as low as 10-12MPG.   EmGee Replies to this message: ribbonking (Aug 26, 2006 7:05 pm)
#54 of 91 Re: Good Highway Mileage by ribbonking Aug 26, 2006 (7:05 pm)
Replying to: mwg (Aug 24, 2006 7:25 pm) Drove from LA to Las Vegas last week. MPG was 24.5 driving at 75 - 80 MPH on cruise control.
#55 of 91 Re: M45 MPG [purplem46] by blov8r Sep 22, 2006 (11:02 am)
Replying to: purplem46 (Jun 21, 2006 5:43 am) My last car was a Caddy DeVille ... 28 mpg on the hiway 75 mph. Can't touch that w/ my M. Doesn't matter ... just a comment. Bart Replies to this message: cdnpinhead (Sep 22, 2006 12:39 pm)
#56 of 91 Re: M45 MPG [blov8r] by cdnpinhead Sep 22, 2006 (12:39 pm)
Replying to: blov8r (Sep 22, 2006 11:02 am) It's mostly about RPM at cruising speed.   That and ULEV.
#57 of 91 M35 non-sport mileage by aaficionado Sep 28, 2006 (11:46 am)
Bought M35 non-sport in January 2006. Great car! Learned to manage my foot on the accelerator, it's a habit now, although somewhat disconcerting when I have to drive a rental car during an out of town business trip. Use premium gas. Get right at 18 mpg, with 50% city street driving. The other 50% is what I call metro-area hwy driving - meaning hop up on to an interstate, and drive 10-20 miles to get to another part of town. Have not done any true long distance hwy driving... i.e. hundreds of miles on a single trip.
#58 of 91 M35 non-sport by tstreet Oct 01, 2006 (9:17 pm)
I commute 28 miles one-way with about 20 being on the freeway. After 16 months the computer reads my overall average is 20.2 I always use premium fuel.
#60 of 91 M35 base - manual mode by blueskies2 Jan 26, 2007 (11:46 pm)
I have found that mileage is better if you use the manual shift mode. The D (automatic setting) always keeps the gear in position for maximum performance. For the best mileage, it is best to keep the car in 4th or 5th gear. Manual mode lets you select higher gears at the expense of acceleration (though it is still plenty of power for everyday driving).   And when you want the max performance you can manually select lower gears.
#61 of 91 M35x gas mileage by joegolfer1 Feb 08, 2007 (12:21 pm)
I have an '06 M35x and I am getting 19 mpg. I have only checked gas mileage twice in 10,000 miles.   Prior car was a 2003 M45 and I got 20 mpg. Not unhappy but I did think my gas mileage would go up with the new one.   On another subject, the M45 was terrifying in the snow and M35x is a beast. Very happy. Replies to this message: shmang (Jan 11, 2009 6:23 pm)

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