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Sedans Infiniti M35/M45 Infiniti M35/M45 Real World MPG
90 messages, Last post on Aug 07, 2009 at 11:35 AM
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Iam getting 18-19 in town and 24 plus on the road, When the car is closed up and air is on noise level is very minimal.I use mid-range gas and have a m35x.Iam Very Very happy with the car.I have had zero problems and the Nav is great.I would have liked the real time traffic but iam not going to trade to get it. Stan |
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CR gives these figures for each car: "Overall mpg" and "MPG on 150 mile trip" Audi A6 (V6): 21mpg and 25mpg 2006 GS300 sedan AWD V6: 20mpg and 23mpg Infiniti M35x: 18mpg and 22mpg |
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The computerized mpg read-out was 16.2 mpg. Caluclating actual mpg, from miles driven and gallons pumped to fill 'er up again, yielded 18mpg. Driving was about 40% highway stop-and-go, 40% highway at 50 to 70 mph, and 20% city. |
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| On a trip the best I have done is a combined 20. In the city I get 14-16. Overall after 15K I have averaged a bit over 16. Had a lot of fun though! | |
My last 500 mile highway trip I averaged 24 mpg with cruise set to 72 and tire pressure at 35 all around. In town, I get about 14, but I have a heavy foot 
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| Combined highway and city = 17.3 mpg (using 89, not 91 gas) | |
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My M now has ~8K miles. I do mostly local driving and have been fairly diligent about avoiding quick starts and keeping my top speed to 40 MPH or lower. Using regular fuel (87 octane) I have been averaging 20 MPG. It has been improving slowly over its life (picked it up in Aug '05). Initially I averaged about 16 MPG for the first 1K miles, but then I wasn't being diligent about limiting my speed - I preferred to vary it regularly to give the engine a decent "break-in". On the few occasions that I have driven it on the highway for an extended period (> 1 hr), I have averaged 23 MPG at ~ 70 MPH. This was as of a few weeks ago. If I had the willpower to keep my speed in the 60-65 MPH range I believe it might even improve to 24 or more MPG.  This vehicle has been the most trouble-free of any that I have owned.
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Replying to: zidecar (Jun 22, 2006 9:15 am) |
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Replying to: sfcharlie (Jun 22, 2006 11:01 am) I looked at the Audi A6 - it came in second on my list as well. I do not have any regrets or remorse in picking the M. I didn't like the MMI interface, its CD accessibility or its reliability record, but that doesn't mean there weren't things about the Audi that I miss (e.g., electronic emergency brake)... As far as adapting my driving habits - yes, I had to think about it for a few weeks, especially since the M's throttle was a lot more responsive than on my previous car. Initially it was almost a personal challenge to see if I could voluntarily do it. After that, it more or less became a habit and I felt a sense of accomplishment that I could actually sustain it. That doesn't mean that I don't stomp the pedal every so often just to remember what its like!
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