GAS MILAGE - What are you getting??

[rixGAphx]

I went on the highway this past weekend, and did a precise gas milage check on my return leg.

Highway MPG: 30.8 mpg :WhooHoo: :D :D
’96 3.1 V6 automatic, stock GT with dual exhaust, 2-dr.
* Filled up in Tucson and entered freeway;
* Drove 115 miles AT SPEED LIMIT (20 mi @ 55, 15 mi @ 65, 80 mi @75);
* Light traffic; 78*F, calm and dry; AC ‘off’ entire trip; nearly-flat and straight desert highway; 1000 ft. net elevation descent.
* Exited freeway in Phoenix and immediately filled-up again.
So, basically PURE highway driving.
It was quite a chore keeping the mph low, what with minivans passing me and all :eek:

* * * *

What kind of milage are YOU getting, highway and/or city???

Post yer milage!!
Indicate under what conditions, and your year/engine/tranny.

Please use only Miles Per Gallon, mpg.
Please do not use “miles per tank” or other non-precise reference data.

Canadians and other metricated people:
Sorry, I don’t know how you measure gas consumption, nor what conversion factor to use for mpg.
Forgive me, I’m a metric-deficient american.

-Rick

[Bjornboy81]

31.5 mpg on a 300 mile trip (30 miles were city)

Car Specs
2001 GAGT, 3400 V6, Automatic Transmission

Conditions
75* basically flat land @ 80-85 mph consistant.

Car Mods
With the mods listed below, :)

[MantaGreen97]

On the highway, ~30MPG (US) is normal for me. However, in the city I'm lucky if I get 20MPG...

[Bjornboy81]

FYI-

1 km/L = 2.352 mpg

[rixGAphx]

Originally posted by Bjornboy81
FYI-

1 km/L = 2.352 mpg
Thanks, I knew somebody smarter than me would provide this info!!

-Rick

PS: Years ago I lived in Africa, and I learned the French-metric method was x.x liters per 100 kms.
Just didn't seem like that would be used on this side of the Atlantic.

[Bjornboy81]

Originally posted by rixGAphx
Thanks, I knew somebody smarter than me would provide this info!!

lol...then I shouldn't tell you that I got that from googling "conversion" :lol:

[MantaGreen97]

Originally posted by Bjornboy81
FYI-

1 km/L = 2.352 mpg

Yeah that's about right, but the problem is as mentioned above by Rick, we don't use km/L in Canada--we use xx L/100km.

I mean you can still make use of the conversion factor but it gets a little more tricky.

To make it easy, here's an online converter:

http://www.eforecourt.com/l_100km_mpg_convert.htm

(Remember to choose US gals, instead of Imperial)

[Bjornboy81]

Hey, if I was Canadian I would've know that!!!
Go easy on my...i'm just American!


:D

[rabidpanda69]

last number on the bike was 37 mostly highway, but the carbs are super dirty and I have to beat the crap out it just to get goin.

I think the last number I got for the car was about 28 with a 50/50 mix of town and highway.

[Fishman]

31 mpg City :D , :???: Highway

Car
1991 Acura Integra, 1.8L I-4, Manual Transmission

Conditions:
City, stop and go driving. Shift at 2,500 RPM

Car Mod:
CAI

[Bumpin1OHM]

17-18

all city driving

all pedal, all the time :)

[greengrandam84]

what size is the gas tank in a 2000 GA SE2??

[Bjornboy81]

if it's the same as the GT (which it probably is) it's 14.5 gallons. :)

[goredsox]

i usually calculate my mpg every fill up. just take the mileage driven on the tank and divide it by how much gas u put in, that is about as accurate as it is gonna get. here r my mpg's

All highway (80mph) with a few city miles=30mpg :D and 400 on tank

50/50 split driving like granny :( =25mpg

70 city, 30 highway driving at redline=23mpg :D

All city driving with pedal to the floor=20mpg

I have a 93 with the 3300 V6 :D , the shitty 3speed :mad: . Even though i may floor it, once i get to 5 over the speed limit I put the cruise on. i love cruise i use it everywhere city or highway. that is what helps me get such good gas mileage. no fluctuation in speed = saved gas!

Bottom line USE CRUISE, IT SAVES GAS. and dont give me any of that it's not safe bull.

[XoticGA]

:shrug: Whatever I get.. it SUCKS :pissed2:

[TheTrader]

I managed 42mpg on my Ecotec 5 Speed ALL highway @ 110km/h, but all city, stop & go, only 5 minutes trips, I got ALLMOST 20 mpg... it was about 18.5 or 19... its getting cold here, so the car is never running when its warm (its most efficient time)

[taisgod]

i think i seen that the gas tanks in 99-up are 14.1 gallons and in the 96-98 they were 15.1

[TheTrader]

UPDATE:

This weekend I got 40mpg, thats over about 350km, with approx 80km of city / rural driving, the rest highway....

there is a K&N pannel filter on the way to me, will report milage differences!

-Daniel

[bmarchese]

I average 19-20 MPG. Just bought a '05 GTO I’m averaging 15 MPG with it. (all pedal all the time).

[slowbird]

On average I get about 28MPG.

That's mixed Highway and city...and I accelerate Hard from time to time.

[LancheFan2]

I get about 30 mpg consistently. 96 GA SE 4cyl.

[Fastlanev6]

I get about 26mpg on the highway doing 80-85mph...under 30ft elevation. Something must be wrong because I put in new plugs, wires, fuel filter, cai, cleaned TB and decarbonized vacuum system. I cant think of much else :(

[devilzfan300]

Originally posted by Fastlanev6
I get about 26mpg on the highway doing 80-85mph...under 30ft elevation. Something must be wrong because I put in new plugs, wires, fuel filter, cai, cleaned TB and decarbonized vacuum system. I cant think of much else :(

Inflate tires
Reduce unnecessary weight
replace pcv valve
replace gas cap
replace o2 sensor
use synthetic oil

[XoticGA]

synthetic oil helps gas mileage?

[Fastlanev6]

Originally posted by devilzfan300
Inflate tires
Reduce unnecessary weight
replace pcv valve
replace gas cap
replace o2 sensor
use synthetic oil

Tires at 35psi, no extra weight, pcv valve is good, new gas cap. Synthetic oil shouldnt make a difference in gas mileage. O2 sensors are freaking expensive too (and there are 2 of them). Besides, i've been told you dont need to replace them unless they've gone bad.

[devilzfan300]

I found that synthetic oil really helped my mileage. Also, I have not replaced my o2 sensors yet, but I remember reading a post on here somewhere that replacing the o2 sensor helped a lot.

Also, maybe you might want to make sure your fuel injector is clean. Bring it to a shop to get it professionally done, but if you just want to keep it clean, use some STP or Lucas injector cleaner until you need it cleaned.

Also, you could use some seafoam and put some in your crankcase about 200 miles before an oil change, add it to your brake booster line or PCV valve line, and add some to your gas tank. I have heard seafoam works wonders too.

Other then that, maybe you should look into new parts, such as a battery, CAI, muffler, to hopefully fix your problem...

[rixGAphx]

BTT, just fer giggles :D :D

[Toady]

I always divide miles traveled by gallons to fill the tank-- I'm getting 25-26 miles per gallon. A little disappointing (I've only had the car for a month and a half) The EPA ratings state 34 mpg highway, which is most all that I drive.

My '94 and then my '95 Skylark, 3.1 V6 got me 30 mpg without fail. Didn't matter how I drove, where I drove or what time of season.

I haven't tried the tune-up thing yet (It's got 100,000 miles on it)

I intend to go that route and keep my fingers crossed.

2000 GA, 3.4 V6

[Fastlanev6]

I believe the EPA mileage for all 3400 GAs is 20 city 30 highway

[RocketFast321]

3400
21city 31hyw

2.4
21city 29hyw

[tenspeed]

'02 ecotec/ 5 speed

2005 - 31.06 MPG, 67 fill ups
2006 - 30.83 MPG, 15 fill ups

[Quantum]

Well I just completed a 5000km trip from Niagara Falls, Canada to Florida and back. Here are my results for mileage:

Tank 1: 30.46 MPG (432.5 miles, 14.199 gal)
Tank 2: 34.46 MPG (407 miles, 11.812 gal)
Tank 3: 32.57 MPG (222.3 miles, 6.824 gal)
Tank 4: 28.59 MPG (375.5 miles, 13.133 gal)
Tank 5: 33.59 MPG (306 miles, 9.111 gal)
Tank 6: 31.98 MPG (440.3 miles, 13.766 gal)
Tank 7: 32.41 MPG (432 miles, 13.329 gal)

My first tank was of course leaving home, which was below freezing temperatures, hence the lower MPG. By West Virginia I was into warmer temps, and that is where I filled up. My total trip was 4900km, but I converted everything to miles.

Tank 4 was low because we were touring Orlando, FL. Disney, Internation Drive, Universal Studios etc. Stop and go. The rest was primarily highway and country road driving.

Average speed was 70 mph, on cruise control.

Didn't burn a hint of oil. I ran AC delco filter and Valvoline Max Life 5W30. K&N air filter cleaned before the trip. Tires @ 40PSI

I think that's it for info. I found no difference in gas stations. I filled up at various stations, including Shell, BP, Hess, Sunoco, Raceway. Always using 87 octane.

Car performed flawlessly, with 170,000km. Everything still works including the A/C thankfully!

Regards,

[sunrunner_pei]

I uaually average about 30 MPG on the highway in my '03 GT. I get around 35 MPG day to day in the Sunflower.

[Shad0wguy]

Originally posted by Fastlanev6
I get about 26mpg on the highway doing 80-85mph...under 30ft elevation. Something must be wrong because I put in new plugs, wires, fuel filter, cai, cleaned TB and decarbonized vacuum system. I cant think of much else :(

Your not alone. I'm lucky if I get 25mpg highway. 114K miles could have something to do with it though.

We'll see if it get better, as I plan to replace the spark plugs. The previous owner left me with receipts of all work done. Things that I didn't notice were spark plugs, tranny fluid replacement, and coolant flush. All of which I will take care of within the next week or so.

[Fastlanev6]

As I was leaving Florida moving out here, I got 30mpg on my first tank. I was doing 80-85mph with over 300lbs of stuff in the back. I replaced my PCV valve right before I left :)

[senior_brown]

what does the pcv valve do?

[senior_brown]

i get 22mpg hard city driving, on the highway, i havent fully testes, but i know i can get a heck of a lot more, i drove 200km and burnt only a half tank from toronto to london

i put it 40 litres and get 300 or so kilometers out of it and that site converts it to 22 mpg, i think its crap..

my car was in the shop for a week for a problem that wasnt even fixed and my mechanic gave me a rental corolla, i swear that thing went forever on $10 gas

[gentlegiant255]

I have a totally stock 94 ga 4 door 2.3 sohc with a 5 spd and i get 38 hwy and about 27-30 city...but i dont beat on it either.

[red hornet]

I didn't know you could drive to London from Toranto??

[sunrunner_pei]

Originally posted by red hornet
I didn't know you could drive to London from Toranto??

I hope you're kidding. London, Ontario to Toronto, Ontario.

[doobiess]

I just did a small trip this weekend on my 94 GA 3100 auto and got 29.8 mpg or since im canadian got 573 kms with 2 days of city driving..

I now got 251000kms on the car never had the head off... when i got the car a year half ago i was getting 21-22mpg on the highway guess im doing something right :)

[ntl5002]

On my trip back up to school and a little driving around I got 33mpg, which suprised me.

[rixGAphx]

Originally posted by ntl5002
On my trip back up to school and a little driving around I got 33mpg, which suprised me.
Excellent!!

You seem to be at the head of the mid-'90's 3.1 group!

[ntl5002]

I've never noticed it being that high before. The highest I remember it getting is 28. I did take the resonator off of my stock intake this past weekend, but I doubt that would cause that much of an increase if it would cause one at all.

[RocketFast321]

hmm getting I'm getting 19mpg-20mpg. Hmmm that's normal for me.

[nuke's se2]

04 ga, PULLIN 29-30 on highway, 20-24 city.

[slowbird]

21-23mpg on average.

[red98grandamse]

Over the past month Ive averaged 25.5mpg in town... I don't do much highway driving at all around here.. actually done about 10-20 highway miles total on my last two tanks of gas, so I've no idea what I'd get highway.

[RocketFast321]

still 19mpg :)

[goredsox]

Lead foot in the city, and 85-90 on the freeway with the crappy 3 speed, i fill up goin 275 on a tank and i get between 21-23mpg. Not bad considering when i go 85-90 i'm hittin around 3000rpms.

[Themeneea]

driving like a pure granny: 34-35MPG

driving normal with some flooring: 24-25MPG

driving like i stole it: 16-17MPG

[Foxy]

I keep records of every single tank of gas that I put in my STi. I always fill up, and always reset my tripometer. You can view the graph here (http://img.photobucket.com/albums/v306/RiddleFox/Impreza/stimpg.jpg). If you'd like a copy of the Excel spreadsheet to make that to keep your own records, you're more than welcome to e-mail me and I'll send it.

Lifetime best: 28.62 mpg
Lifetime worst: 14.63 mpg
Lifetime average: 19.88 mpg
Total Gallons: 411.29
Total Price: $1101.78
Total Miles: 8175.1
Average Miles Per Day: 34.06
Average Cost per day: $4.63

You guys that are getting 30+ mpg on the highway are doing very well. My 2000 GAGT gets about 20-22mpg in the city, and about 26 on the highway.

[sk8400048ks]

Ha! I envy just about every single one of you... The last time my car was on the road, it averaged to about 8-9 MPG. I didn't go on the highway, so I don't know how it does with that, but I'd assume 9-12. Foxy, would you care to send that spreadsheet my way? sk8400048ks@gmail.com. I'll PM you about it, too, just in case you don't notice this post...

[04REDGT1]

Just got back from a trip. I got 29.8 MPG. Avg speed was between 70-75mph.

Jeff

[Foxy]

Sk4800,

Check your e-mail!

[dandragonrage]

Just did about 150 miles on $20 of gas at $2.91/gal. So that's 21.8MPG. And I drive it hard.

[Street Vandal]

well i have the 3400 in mine and it has a hair over 50k on it.the first time i calculated my gas milage i filled up the tank all the way right after the the gas light came on and it took 12.4 gallons.i drove it 275 miles with almost 100 miles of it being highway at 80mph before the light came on again.so thats 22 mpg.but alot of it was also racing when off of the highway.

[1999grandamse]

You guys getting 30mpg on the 3400 should consider yourselves lucky

99GASE, 3400, 80,000miles, auto, custom WAI w/AEM filter, no muffler

226 miles on 12 gallons= 19mpg city:mad:
280 miles on 11 gallons= 25mpg mostly highway:(

I fill up when the idiot light goes on, use 87 octane, only go to Speedway for fillups.

Before I got my WAI and old muffler I was getting ~187miles per 11 gallons which comes out to 17MPG!

I use the fun pedal sometimes, but even so these numbers are low.

Any ideas?:???:

[TheTrader]

Originally posted by 1999grandamse
You guys getting 30mpg on the 3400 should consider yourselves lucky

99GASE, 3400, 80,000miles, auto, custom WAI w/AEM filter, no muffler

226 miles on 12 gallons= 19mpg city:mad:
280 miles on 11 gallons= 25mpg mostly highway:(

I fill up when the idiot light goes on, use 87 octane, only go to Speedway for fillups.

Before I got my WAI and old muffler I was getting ~187miles per 11 gallons which comes out to 17MPG!

I use the fun pedal sometimes, but even so these numbers are low.

Any ideas?:???:


Pretend you are an old lady, drive a whole tank driving like a grandmother , no funpedal, or nothing that envolves pressing the gas harder then needed... and check out the difference...

Also, some new spark plugs may help?

[tenspeed]

Originally posted by Foxy
I keep records of every single tank of gas that I put in my STi. I always fill up, and always reset my tripometer.

I do the same thing but I use a online site. You can get your local area by using www.gasbuddy.com

My stats for 2006 so far:
Total Quantity Purchased (Gallons) - 320.087
Total Cost ($) - $837.58
AveragePrice ($/G) - $2.62
Average Fuel Economy (MPG) - 31.69 (2.2L Ecotec/5 speed)
Total # Fill-ups - 31

[GrandAmJan]

33.5 mpg on a 1000 mile trip :woot:
20-28 mpg in city driving :P

Car Specs
1989 LE Grand Am, 2.5L Tech 4, Automatic Trans, Stock car.

Conditions
Highway - tried to drive less than 65 mph.

Almost 18 years of this car so it's hard to get rid of it... Still has original engine and transmission... :roll2:

[goredsox]

well took a weekend trip... Did about 80/20 split of highway/city respectivly...

Highway- averaged about 80mph (used cruise) with the a/c on

City- 45-55mph with cruise set on the speed limit...

Filled up today... 331 miles with 12.711 gals...= 26mpg!!! yeehaw... all you who go only 70 and get 26 i pity you... I have the old 3300 with the 3 speed auto, i love my baby...

My only advice is change to AC Delco Platinums, i did that a few months ago and i noticed a few more mpg right away...

[Michael00GT]

On average I get about 28MPG.

That's mixed Highway and city...

[hamiltonaudio]

anyone tried the Fuel Genie or Tornado device? Many claim it makes a big difference! I'm getting about 25 mpg mixed city/hwy in my un-tuned-up 3.1.... shortly its getting the works, so we'll see how much it improves...

bmoney

[tosun28]

97 GA SE 4 door 70,400 miles 2.4 AOD

semi hard driving with 80% highway 20 in town and I get right at 35mpg. I live in OKC and it was around 70ish when I did my figured, the car went a total trip of 486 miles that day in state driving, the next tank of 435 in state driving at about the same mix fell down to 32MPG and the next tank is back up again right around 34 at least

I was very impressed it kicked my 99 Sentra SEL's butt all over the place! My Sentra got like 37 when it was under 100k and then now being closer to 200k it gets like 24-26 on the highway.

Oh the semi hard is compared to how I drove my old Maxima VS the Grand Am, I am a little easier on it than I was with my Maxima

Oh yeah I have one of the freak gas gauges also, when its gets down to the last line it goes to full an then starts back down to the E mark as it gets empty. Everyone that rides in my car is like your gage is broken, I always so no its not its a weird design they did on the 96-98 sadly most everyone beleives it as it goes back to the E spot whhile you drive :)


Donnie

[tenspeed]

Originally posted by hamiltonaudio
anyone tried the Fuel Genie or Tornado device? Many claim it makes a big difference! I'm getting about 25 mpg mixed city/hwy in my un-tuned-up 3.1.... bmoney

Please tell me you're not serious. If any of that crap improved gas milage, the cars would come with them from the factory.

Don't believe the claims, they only lighten your wallet. Several magazines have done tests and several have decreased MPG's.

[Brandon]

im currently getting around 22-24 mph mainly city, and driving it somewhat more agressively.

[boomboomgrandam]

I get around 28-31 depending on where i go.... I also noticed that I get better mpg with cheveron...

04 se 3.4L 70k.

[bballr4567]

On my huge road trip of about 3500 miles I found out that I got the best road mileage with Exxon. I would go about 78-80 im very mild temps of about 70-80 and I at the best got 32.5 and the worst I got 30.5 all highway with the only stops being the fill up of the tank. It previously got around 26-28 highway.

Car has 136k miles on it, new plugs and MSD 8.5 wires and a CAI from Dr Speed.


Also my tank on my 01 SE is 13.4 gallons. :confused:

[JCGT01]

i avergae about 24mpg with my 2001 34.V6 GT, but I do about 70% city driving

[pokesmot]

450km to a tank half city half highway.. so about 17.4 mpg but i always tromp the pedal :)

wouldnt have to tromp the pedal so much if it wasnt for the 3 speed :angry:

most ive got is 25.32 mpg mostly all highway when im not flooring it.

[charlybrown]

im doing about 30mpg mixed driving.

i thought id be getting alot more though, as my 3.8L gets only a bit less.