FR-S MPG Report - Manual Transmission

"Maximum_Odyssey" (Maximum_Odyssey) 04/10/2015 at 06:23 • Filed to: None

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So, I've had the unique privilege of having two different commutes that are about the same length. My current commute is a mix of light city driving and cruising at around 55mph. The previous commute was a mix of light city driving and cruising at around 80mph. Both commutes were between 25 and 30 miles each way.

The average of 7 months of the 80mph commute: 31.88mpg

The average of 13 months of the 55mph commute: 33.44mpg

Twingo Tamer - About to descend into project car hell. > Maximum_Odyssey 04/10/2015 at 06:35

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My 1.2 Twingo barely does better than that. The thing is at huge revs at 80-85mph so it only gets about 35mpg. I should maybe slow down a little...

Denver Is Stuck In The 90s > Maximum_Odyssey 04/10/2015 at 06:45

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This past week Ive gotten 100 miles to a 1/4 of a tank in my Ranger. Thats just about 25mpg. Considering its the 4.0L, thats impressive. I got that MPG by laying off the throttle as much as I can, but its taken every bit of self control I have to do that. Its hard to drive for economy when you know that if you just punch it a little it'll take off like a bat outta hell.

I miss that bat, he was fun.

Flavien Vidal > Twingo Tamer - About to descend into project car hell. 04/10/2015 at 07:11

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It's always been like that... FYI a C7 Corvette that has a 6.2L V8 will do 33mpg on the highway...

A C4 Lt1 Corvette with a 5.7L V8 that is over 20 years old will do 29mpg...

Economical cars are ridiuclous. A small engine does not necessarily gets better gas mileage, especially if it has to rev at 4500rpm to cruise a 80mph.

TTercel > Denver Is Stuck In The 90s 04/10/2015 at 08:28

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When I had my 93 Explorer the best I could ever muster was 16mpg, so that is seriously impressive.

SidewaysOnDirt still misses Bowie > Maximum_Odyssey 04/10/2015 at 09:29

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Am I alone in thinking that the gear ratio's too short? I'd like to drop about 1000 revs on the highway.

Twingo Tamer - About to descend into project car hell. > Flavien Vidal 04/10/2015 at 11:29

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Yeah this is the thing, if I keep it around 2000rpm (and therefore around 65-70mph) it'll pull about 55mpg. Staying at that speed is pretty crappy though, so when you speed up a bit economy nose dives. For long distance driving a bigger engine is often better.