Shitty Mileage

[Mr Nerd]

I consistently see folks on this forum talk about getting(conservatively speaking) 30+mpgs. Never in a million years would I imagine myself getting 30+ mpgs in my FRS let alone the 40+ mpgs I have heard a few people on here brag about.

I am very mechanically inclined. I've been working on cars since I was 3 years old. I am a lead foot but I am also an adult. I don't race every Camry that I see at the stop light.

HOW THE FUCK ARE YOU PEOPLE GETTING SUCH AMAZING MILEAGE????

At this point I am assuming that either my car is fucked up or that none of you know proper math. I have faith in humanity so I will assume that your math is accurate.

Why am I consistently getting <20mpgs? I had my 30k mile service last week and they said the car is in remarkable shape.

Am I the only true lead foot on this forum or what?

[menikmati]

What are your driving habits and conditions?

I've had 30-32 MPG for almost all my fuel ups because my commute is 90% highway at 65-70 MPH and in the city I shift at around 3k rpm.

You say that you have a lead foot, so you might be heavier on the throttle for longer durations or going WOT more often than you think.

Check your tire pressure? Also, tires with less rolling resistance get better MPG.

[perry753]

I doubt anyone is actually getting 35+ mpg on average. Even 30 mpg. If you're not on the highway much you'll be in the low 20s.

[swarb]

Originally Posted by menikmati

What are your driving habits and conditions?

I've had 30-32 MPG for almost all my fuel ups because my commute is 90% highway at 65-70 MPH and in the city I shift at around 3k rpm.

You say that you have a lead foot, so you might be heavier on the throttle for longer durations or going WOT more often than you think.

Check your tire pressure? Also, tires with less rolling resistance get better MPG.

1. Automatics.
2. Don't shift above 3k rpm.
3. 1/4 throttle or less.
4. Always drive at speed limit or below.
5. Shift faster/powershift at partial throttle to keep momentum.
6. Highway miles at lower speeds.

[everythingsablur]

I get 26 mpg (9 L/100km) with mostly city driving. In traffic I drive it like you should drive any car; sensibly. On open highways, on ramps, back streets I'll tear it open, but that's only like 20-30% of my daily driving at most.

Really depends on your driving situation and style. You can get the car to be very economical (for a sports car), but then you're generally not driving it like a sports car.

Maybe ease up on the throttle or the high revving if you want to see better fuel economy? Just try it for a tank of gas as an experiment.

[JD001]

Originally Posted by perry753

I doubt anyone is actually getting 35+ mpg on average. Even 30 mpg. If you're not on the highway much you'll be in the low 20s.

After a circa 200 mile trip 90% highway. I think it might be down to the quality of the fuel.

[menikmati]

Do not rely on the average MPG based off the computer, it is known to be up to 10% generous.

Go to the gas station, fill up until the pump automatically clicks off and divide the total amount of miles driven by the amount of gas you actually put in, assuming you began with a full tank.

Your results will be skewed if you keep on trying to squeeze every last drop of gas from the pump after it automatically clicks off.

These are my fill-ups based on the same exact filling method, using the same gas every time on my commute:

http://www.fuelly.com/car/subaru/brz...1360/fuelchart

[cjd]

I've observed that pushing even to 70 starts to drop fuel economy. Proportion of highway miles and how you drive in the city also makes a huge impact.

I've been as high as 35ish on a trip, but living in the city and just driving to AutoX events I'm in the low 20's (including the events, mind...) Calculated average, not based on the car gauge.

C

[cjny]

Originally Posted by perry753

I doubt anyone is actually getting 35+ mpg on average. Even 30 mpg. If you're not on the highway much you'll be in the low 20s.

Actually, I have only had one tank below 35 mpg (calculated, not off the dash display) in the 3000 miles driven since the car was bought new. A lot of it is driving style but the routes I typically drive are very favorable for good mileage.

And I rarely use the brakes when turning.

[Impureclient]

I average about 19.5 mpg. Probably 95% of the time, my trips are less than a mile or two away so the car never even really gets warmed up which is what's killing the efficiency.
If I get on a highway, it will jump to the mid thirties and that is not babying it either. I can see touching the forties if cruise control was used.

[Spartarus]

I averaged 24 - 27 with a turbo, and I drove it a stolen racecar. I don't think I ever shifted below 6K.

How the f*ck are people people getting the mileage you'd expect from a dodge durango out of a high-compression direct-injected 2 liter engine? It's absurd.

If I let the revs back down into the territory of sane people I could get 33, but where's the fun in that?

I will admit, under acceleration, the instantaneous would occasionally read... 1... 2... Somewhere in there, but when you run out of road before 3rd gear redline, you spend most of the time cruising.

[tomaszjanczak]

Do you have any mods? Tune?

[Lantana frs]

With cpbs and oft tune im seeing 22mpg on the dash with mainly short hop driving. Car runs well so im happy with it.

[TMarsh]

http://jalopnik.com/5981938/why-do-e...g-than-us-cars

Look at the location of users that post about 40+ mpg. Chances are, they don't measure mileage the same way you do.