CarForum.net - Car Forums, Automotive News and Community
Home Gallery Register Calendar Members List

Go Back   CarForum.net - Car Forums, Automotive News and Community > General Car Discussion > General Automotive Discussion

Reply
LinkBack Thread Tools
Unread 09-29-2012, 03:32 PM   #1
New Member
 
Join Date: Sep 2012
Posts: 1
Rep: 10 Sports0199 is on a distinguished road
Default Gas Guzzler vs Economy help

Im a college student currently driving a 2002 buick lesabre which is not the most efficient considering gas prices recently. Do you guys think it would be worth it to sell it and buy something that is more efficient?

Sports0199 is offline  
Reply With Quote
Unread 09-29-2012, 05:05 PM   #2
Boosted Audiophile
 
pbasil1's Avatar
 
Join Date: Jul 2006
Location: N. AL
Posts: 2,627
Rep: 202 pbasil1 has a spectacular aura aboutpbasil1 has a spectacular aura aboutpbasil1 has a spectacular aura about
Default

A more fuel efficient car than what you have will save you 2.20-2.75 per tank. Is it work it for a big car payment and higher insurance premium?

Judging by what i see on Fuelly.com, most of the lesabre's get around 20-21mpg, which isnt that bad to start with...

Your driving style will also have a huge impact on efficiency.
__________________
2012 Lancer Evolution GSR
2010 Mazda CX-7 - The wife's car
1995 Taurus GL - Daily Diver
1991 Supra 1JZ - Sold (regretfully)

"Its worse than porn...at least I can get a girl...no way I can get that car. lol" -Gandalf
ONEPerformance

pbasil1 is offline pbasil1's Gallery  
Reply With Quote
Unread 09-29-2012, 06:02 PM   #3
idk
 
psp4ever's Avatar
 
Join Date: Nov 2008
Location: Wisconsin
Posts: 924
Rep: 59 psp4ever will become famous soon enough
Default

What are you currently getting with your car? I dont see 20ish being bad.
__________________
1994 GMC Sierra, 206k miles, 5.7L, Train horn edition.
2016 Chevrolet Silverado, 5,000 Miles, 5.3L, 2LT
2014 Yamaha Grizzly 700 EPS 2700 Miles.

Need a Carfax? Click HERE.
Watch my Vids on YOUTUBE

psp4ever is offline psp4ever's Gallery  
Reply With Quote
Unread 09-30-2012, 06:34 AM   #4
Spah sappin' mah susp!
 
Kenny McCormick's Avatar
 
Join Date: Jan 2009
Location: Earth...I think
Posts: 3,271
Rep: 96 Kenny McCormick will become famous soon enough
Default

If you like what you drive and you don't have a payment you will lose big-time trading it in on something else.


Ride the gas price hike out. It will come back down once the speculators have their new rolls royce. Listen to clarkson at 5m 32s in this video. He speaks the truth.

__________________
Tired Iron ain't got no time to wear out...

My rigs:

1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

Last edited by Kenny McCormick; 09-30-2012 at 06:40 AM.

Kenny McCormick is offline  
Reply With Quote
Unread 09-30-2012, 04:41 PM   #5
Veteran Member
 
Join Date: Dec 2006
Location: Dallas, OR
Posts: 2,930
Rep: 39 KSIMP88 is on a distinguished road
Default

Quote:
Originally Posted by Kenny McCormick View Post
If you like what you drive and you don't have a payment you will lose big-time trading it in on something else.


Ride the gas price hike out. It will come back down once the speculators have their new rolls royce. Listen to clarkson at 5m 32s in this video. He speaks the truth.

Supercars: The One Gallon Fuel Crisis Race - Top Gear - BBC - YouTube
That's just a better power:weight ratio. It is my belief that the power:weight, mainly torque, is one of the biggest deciding factors on fuel economy.
__________________
2001 Tahoe LT Autoride
w/ third seat +25hp
K&N air filter +50hp
Custom Radio +15hp

Soon to buy:
Exhaust +50hp
Lowering kit (2") +30hp

KSIMP88 is offline KSIMP88's Gallery  
Reply With Quote
Unread 09-30-2012, 06:50 PM   #6
Spah sappin' mah susp!
 
Kenny McCormick's Avatar
 
Join Date: Jan 2009
Location: Earth...I think
Posts: 3,271
Rep: 96 Kenny McCormick will become famous soon enough
Default

It does have an effect but you can get a weaker car to get better mileage by adjusting how you drive it.
__________________
Tired Iron ain't got no time to wear out...

My rigs:

1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

Kenny McCormick is offline  
Reply With Quote
Unread 09-30-2012, 09:17 PM   #7
S D
Veteran Member
 
S D's Avatar
 
Join Date: Mar 2007
Location: WI
Posts: 1,988
Rep: 64 S D will become famous soon enough
Default

Generally speaking, the FE gain from changing to a more fuel efficient car isn't going to be nearly as much of an overall cost reduction as you will get from changing your driving style and keeping your current vehicle.

In business terms, the break even point is many tens of thousands of miles down the road, where the cash you saved offsets the additional cost of the new car. That is, if your current vehicle isn't incurring more costs from a poor state of repair. Does this make sense to you?

Any car made today typically has a +/- of up to 50% Fuel Economy sway from person to person. The main determinant here is driving style and route selection.
E.G, Three drivers all with the same model of V8 powered work truck track their fuel economy over the course of a month.
  • Person A gets 7.5MPG average from his work truck. This is the 50% less driver.
  • Person B drives the same model work truck more cautiously and averages 15MPG, which is what the window sticker said when the truck was new. Base line driver.
  • Person C is a hypermiler and has done the homework on efficient routes and such; He averages 22.5MPG in an identical work truck to the others. This is the 50% more driver. He is also saving a ton of cash over the others!

If you are looking for a place to learn more about saving more money while driving, check out ecomodder.com.

Link - 100+ Hypermiling / ecodriving tips & tactics for better mpg - EcoModder.com
__________________
Simplify, then add lightness

S D is offline S D's Gallery  
Reply With Quote
Unread 10-02-2012, 06:36 PM   #8
New Member
 
Join Date: Oct 2012
Posts: 5
Rep: 10 driveexp is on a distinguished road
Default

I think it depends if you have a loan on it or not. Anytime when you have to finance something to try to battle the couple of extra dollars for gas doesn't make sense to me.

driveexp is offline  
Reply With Quote
Unread 10-03-2012, 04:45 PM   #9
Senior Member
 
Join Date: Aug 2011
Location: Mississauga, Ontario, Canada
Posts: 385
Rep: 19 elemein is on a distinguished road
Default

Quote:
Originally Posted by KSIMP88 View Post
That's just a better power:weight ratio. It is my belief that the power:weight, mainly torque, is one of the biggest deciding factors on fuel economy.
I think its moreso just weight and aerodynamics that are the main factors.

Now here's my thought process, correct me if I'm wrong;

But an engine just converts fuel into mechanical movement; it's not some magic box. It just converts the approximate 19,000 BTU (7.46 HP) in every gallon of gasoline to mechanical motion. That's it.

Now by common sense, it takes more energy to move a 2,5000 lb aerodynamic car than a 4,500 lb SUV. I mean, just trying to do it by hand, it is much harder to push the SUV. If you were to push the two cars down a 100 m runway, you would use more energy pushing the SUV than the car.

Your engine does the same way and you control how that energy is applied and how much is used (you can of course use more energy than is required to move the SUV yourself. If you try to take it fast and overstress yourself, you will exert more energy than if you just took it slow and paced yourself.)

So of course, two cars can have a power to weight ratio of 20 lb/hp, but they will not use the same fuel. The heavier one will use more.

Though there is more to it than just that. Of course there is the power needed to run the engine. For example, the supercharger on a top-fuel dragster alone supposedly requires more power than two Nascar stock cars can provide. Now, we aren't trying to work out the fuel efficiency of a top fuel dragster, but clearly, bigger engines require more power to simply run them than a smaller engine.

Though that's just my two cents.

elemein is offline  
Reply With Quote
Unread 10-03-2012, 05:04 PM   #10
Spah sappin' mah susp!
 
Kenny McCormick's Avatar
 
Join Date: Jan 2009
Location: Earth...I think
Posts: 3,271
Rep: 96 Kenny McCormick will become famous soon enough
Default

When you hit a hill the power to weight ratio determines how far the MPG counter plummets. It also determines the city mileage, a 500KG car with 100HP is going to get far better city mileage than a 2500KG car with 100HP. The engine doesn't have to work anywhere near as hard to accelerate the lighter of the two vehicles so less fuel is used.
__________________
Tired Iron ain't got no time to wear out...

My rigs:

1985 Ford F150 | 4x2 | 300ci OHV inline six | 4-speed OD manual | 310K | No power brakes | Running 100% - It hasn't driven this good in 15 years!

1984 Ford F150 | 4x2 | 300ci six | granny four | 3.55 rear end | 210K | Brakes shot. Rear drums are doing most of the work. Not fit to drive due to that.
1997 Ford Explorer XLT | 4.0L Vulcan V6 | 5-speed automatic | shift-on-the-fly 4WD | 210,000 miles | Running 95% - Needs brakes on all four corners + bald tires
1989 Ford F150 | 300cid six...again | 5-speed | 4x4 | 160K | Needs brakes done as well. Oi!

Kenny McCormick is offline  
Reply With Quote
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 06:52 AM.

Shogun Interactive Development Copyright 2015 Shogun Interactive Development. All rights reserved.