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re: Used cars - Is there really a difference between highway and city miles?

Posted on 8/17/15 at 7:52 am to
Posted by The Mick
Member since Oct 2010
45206 posts
Posted on 8/17/15 at 7:52 am to
I didn't down vote you but I will now.
Posted by LNCHBOX
70448
Member since Jun 2009
89438 posts
Posted on 8/17/15 at 7:55 am to
quote:

What I'm asking is would that actually make much difference to you if buying a used car?


If I didn't think it was bullshite, it absolutely makes a difference. We have a 2006 Ford Explorer in our fleet at work. It only has 40k miles on it, but since it is used almost entirely for less than 5 miles trips in New Orleans, it drives like a very worn out vehicle. If those same miles were highway miles, the thing would be in perfect mechanical condition. My in laws had a 2007 Suburban with 190k miles they traded in last year that was in much better condition than the low mileage Explorer. The type of miles is the difference between the two.

quote:

High miles is still high miles in my judgment


Well, after several people in here have explained it to you, you're choosing to be ignorant if you stick with this judgement.

The key is being able to determine how much truth there is to the "all highway mile" claim.
Posted by The Mick
Member since Oct 2010
45206 posts
Posted on 8/17/15 at 7:56 am to
I'm listening I'm not disagreeing with you
Posted by TIEF
Member since Jul 2007
1113 posts
Posted on 8/17/15 at 7:59 am to
Yes, and this is one of the numerous reasons buying rental cars is a good idea. They have mainly highway miles on them.
Posted by Dandy Lion
Member since Feb 2010
51416 posts
Posted on 8/17/15 at 7:59 am to
I agree. Also, Motor life is greatly reduced by a city or every city driving scenario.

Car never gets fully warm many times, and oil changes are going to be much more frequent if you want to maintain strength and value of the motor .
Posted by LNCHBOX
70448
Member since Jun 2009
89438 posts
Posted on 8/17/15 at 8:02 am to
quote:

Yes, and this is one of the numerous reasons buying rental cars is a good idea. They have mainly highway miles on them.


As someone who has spent the last 45 days in a rental, no. Just no.
Posted by TIEF
Member since Jul 2007
1113 posts
Posted on 8/17/15 at 8:03 am to
If your car has been off overnight or more importantly longer, allow it to idle for at least a minute before taking off. It reduces wear by allowing motor oil to warm and circulate.
Posted by MadDoggyStyle
Member since Feb 2012
3857 posts
Posted on 8/17/15 at 8:04 am to
If your choice is between a car with 100k mostly city miles and a car with 100k mostly highway miles, I guarantee you will be able to tell the difference in how the cars drive and how they look. Pull a wheel off and check brake rotors, and check the shocks by pushing down on the fender. Look under the car for oil, fluid leaks. Look at the seams and body lines to be sure they are straight. Be sure the car does not have a rebuilt title. I am amazed at how many used cars have been in one or more major wrecks. You might be able to tell from a Carfax, but not all wrecks that are sent to body shops are reported to insurance.
Posted by doublecutter
Member since Oct 2003
7228 posts
Posted on 8/17/15 at 8:05 am to
I think that people selling high mileage cars often use the "highway miles" term whether that is true or not. I bought a high mileage car, but I bought it from a friend of a friend who I knew lived in Mandeville and commuted daily to Metairie for work. So I know it was truly "highway miles" and not some BS.
Posted by chryso
Baton Rouge
Member since Jul 2008
13996 posts
Posted on 8/17/15 at 8:07 am to
An engine with all city stop and go driving could have twice the hours on it as one with the same amount of highway miles.
Posted by CoachDon
Louisville
Member since Sep 2014
12409 posts
Posted on 8/17/15 at 8:09 am to
Highway driving is better on engines than city driving. On the highway you are going at a steady speed, oil pressure is higher so internal engine parts are better protected and engine temperature is stable. Transmissions last longer since they don't shift as often. Transmissions only wear when they shift. As a side effect, brakes last longer simply because you go so many miles between brake applications.
Posted by TIEF
Member since Jul 2007
1113 posts
Posted on 8/17/15 at 8:14 am to
Lnchbox

I know plenty of people in the "car" business and they encourage buying rentals if you buy used.

People just think everyone drives rentals like crap (which I assume you do)

But they have done research and most people actually are more careful because of the fear of fines. Rental cars are also serviced religiously unlike most private cars (rental car companies do not want cars check engine lights on, breaking down because that is obviously bad for business)

Yes, sure plenty of rental car miles are in a city, but by percentage they will have a far higher rate of highway miles than your average private car.

And finally rental car companies are going to disclose all issues unlike many private owners.
Posted by fatboydave
Fat boy land
Member since Aug 2004
17979 posts
Posted on 8/17/15 at 8:15 am to
It only matters when the car is a used car and not a program car
Posted by LNCHBOX
70448
Member since Jun 2009
89438 posts
Posted on 8/17/15 at 8:19 am to
quote:

I know plenty of people in the "car" business and they encourage buying rentals if you buy used.


I bet they do.

quote:

People just think everyone drives rentals like crap (which I assume you do)



Actually no. But my miles are all city and not very warmed up. And it's a fact rental cars get driven harder than someone's personal vehicle. Pretending it isn't is just delusion into thinking you got a good deal on your purchase.

quote:

But they have done research and most people actually are more careful because of the fear of fines


Link?

quote:

Rental cars are also serviced religiously unlike most private cars (rental car companies do not want cars check engine lights on, breaking down because that is obviously bad for business)


Most rental cars don't stay in the fleet long enough for problems like that to pop up.

quote:

Yes, sure plenty of rental car miles are in a city, but by percentage they will have a far higher rate of highway miles than your average private car


How can you come to this conclusion?

quote:

And finally rental car companies are going to disclose all issues unlike many private owners.


So glad you've imbibed on the koolaid.
Posted by N2cars
Member since Feb 2008
40413 posts
Posted on 8/17/15 at 8:24 am to
quote:

I read cars need about 15 minutes of driving to properly warm up. If you only take 10-15 minute drives, your motor is constantly in lower normal operating temps. Start and stop is harder on the motor. Once they are in constant movement, motors are properly lubricated and run more efficient.


100% accurate.

In many owners' manuals, frequent, short trips can be defined as "severe duty" and will increase oil change frequency.
Posted by ConfusedHawgInMO
Member since Apr 2014
3578 posts
Posted on 8/17/15 at 8:26 am to
quote:

An engine with all city stop and go driving could have twice the hours on it as one with the same amount of highway miles.


This. Hours is a much better indicator.
Posted by Dandy Lion
Member since Feb 2010
51416 posts
Posted on 8/17/15 at 8:28 am to
quote:


The key is being able to determine how much truth there is to the "all highway mile" claim.
Posted by Napoleon
Kenna
Member since Dec 2007
74913 posts
Posted on 8/17/15 at 8:32 am to
quote:

And he downvoted me for offering intelligent highway insight.




If you don't like being downvoted, then don't bring attention to a downvote, then you will get more downvotes. Just the way it works.
Posted by Jim Rockford
Member since May 2011
106137 posts
Posted on 8/17/15 at 8:50 am to
Unless it's long distance interstate driving, almost all miles are "city miles."
Posted by vjp819
South Sec. 414 / Alex Box Sec. 210
Member since Nov 2003
10882 posts
Posted on 8/17/15 at 8:56 am to
quote:

Higher the average speed = fewer hours on the engine


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