2005 Mazda 3 hatchback 5-door
My wife and I rented an '05 Mazda 3 for an overnight trip to MA, just under 350 miles all together. 2.3 liters, variable valve timing, 5-speed manumatic tranny, 5-door hatchback with a rear spoiler. 32.9 mpg for the 148 miles that I was able to measure accurately. We used the a/c always.
First tank was not accurately measured since I had no way of knowing when it was filled by previous user. Assuming it was driven 5 miles on the tank before I got it, we got 27.4 mpg on that first tank. That was mostly hiway @ 67 mph, 30 mi. rural roads between 40-50 mph, and a couple short trips with 4 adults where it barely got warmed up. AC all the way, auto tranny in D, cc at 76 mph on highways.
Second tank: 148.5 mi., 4.514 gal, netted 32.9 mpg! Properly topped off to the second click, so I feel confident in the fill method. AC all the way, auto tranny in M, cc at 76 mph on hiways. We made about 4-5 stops on that tank so it wasn't a straight highway run.
Tranny is manumatic; you can shift +/- a gear in M by pushing up or down on the shift lever. I used the auto tranny in M whenever possible to hold it in 5th to avoid downshifts whenever I wanted to pass or whatever. Instrument cluster has a digital display showing the gear currently in use. This is full-time, regardless of whether the tranny is in M or not. Nice feature!
When coasting in D, the rpms would drop a bit but not anywhere near the 700 rpm base idle. Something like 1500 rpm coasting in D at highway speeds. Cruising rpms: 67 mph = 2500 rpm in 5th, auto manumatic.
I found it would downshift pretty much whenever I gave it more throttle. Putting the tranny in M got rid of that. On the other hand, it would go into 5th quite early, so cruising around town at 30-35 mph I was usually in 5th gear.
I'm sorry I don't have information on coasting in N. I tried it once and heard/felt a good thunk when I put it back in gear. Considering it wasn't my car I didn't pursue that. Maybe it needs rev matching or something else to make neutral cost more doable.
I have to say the car was very comfortable and handled well. Of course with my wife along I didn't take any fast corners or other more extreme moves. However I felt very confident with the handling.
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Currently getting +/- 50 mpg in fall weather. EPA is 31/39 so not too shabby. WAI, fuel cutoff switch, full belly pan, smooth wheel covers.
Now driving '97 Civic HX; tires ~ 50 psi. '89 Volvo 240 = semi-retired.
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