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Old 11-20-2014, 08:33 PM
 
8,854 posts, read 7,336,479 times
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Most print & tv car magazines use the same test like what's used for sports cars. Average family sedan buyers don't care about 0-60 or 1/4 mile times nor lateral g's. Besides exterior appearance, most family sedan buyers care about passenger room, trunk room, fuel economy, & smooth quiet ride. One acceleration test I feel is overlooked is highway passing. While some vehicles accelerate fine from a dead stop, their acceleration is virtually nonexistent when at highway speeds. Hit the gas to pass a vehicle and very little happens. Some V6 sedans have sports car like acceleration. But the V6 versions aren't the big sellers. The base engine is the big seller. It's easy to test fuel efficiency, leg room, & head room. How does one test highway acceleration? Any other test you feel would be useful for an average family sedan?
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Old 11-24-2014, 04:55 PM
 
Location: Earth
797 posts, read 375,075 times
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No,the mags pretty much cover that in the top gear accel test.
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Old 11-24-2014, 06:34 PM
 
112 posts, read 330,554 times
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Car seat test. Alex on Autos does a good job of that.
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Old 11-26-2014, 06:07 AM
 
8,711 posts, read 8,913,183 times
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Acceleration is very important to me in a family sedan.

Loaded up with 4/5 people, plus luggage, i'd like to know I'm not going to get killed when trying to merge onto the highway in an anemic sedan that doesn't have enough power to merge safely.

Same deal comes with braking as well. Fully loaded, i'd like to know i can stop in a hurry.

While these tests aren't done with fully loaded cars, the performance numbers matter a lot to me. 300HP seems to be a number I like for a 4-door sedan.
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Old 11-26-2014, 06:29 AM
 
2,010 posts, read 3,398,029 times
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Handling (car response in avoiding an accident) is most important aspect for me in a family sedan so I cannot stand the boat like floating motion offered by most out there.

In this segment German cars are best IMO, since they are the only ones designed to handle the Autobahn where car handling is most important aspect.

My tests are obvious:
- see how far the car is leaning when taking a curve (is it a boat?)
- how good are the brakes (are they mushy and how well is the car responding when stopped). A visual inspection by looking at the disk surface area and disks thickness is also good indication.
- response when accelerating from 50 MPH to 75 MPH (when trying to avoid the swaying trailer on hwy or go around road debris)
- transmission response when going through gears (hence I cannot stand CVT response)
- seat comfort for the long driving hours
- visibility for changing lanes and back window
- overall felling that car becomes one with you when driving with quick response to your actions not a lagging one

Last edited by 28173; 11-26-2014 at 06:44 AM..
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Old 11-26-2014, 06:57 AM
 
9,302 posts, read 11,142,948 times
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Quote:
Originally Posted by BostonMike7 View Post

While these tests aren't done with fully loaded cars, the performance numbers matter a lot to me. 300HP seems to be a number I like for a 4-door sedan.
I find that funny because from about 1975-1990 no Corvette/Mustang/Porsche 911 had 300 HP! Funny how performance has improved so much over the years!
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Old 11-26-2014, 07:02 AM
 
Location: The Woodlands
791 posts, read 1,303,258 times
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Quote:
Originally Posted by victimofGM View Post
most family sedan buyers care about passenger room, trunk room, fuel economy, & smooth quiet ride. One acceleration test I feel is overlooked is highway passing.
From what I have read many sedan buyers care about mostly brand. Once a Toyota Camry owner, many stay Camry owners regardless. Same with Accord.

When I visit the Houston car show, the sedans are all look very similar to me. Nothing like the difference of the 1970's for instance. So I think the claim about brand name being a deciding factor is probably true.

I agree with you that highway passing in an important feature....
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Old 11-26-2014, 07:06 AM
 
Location: Prosper
6,268 posts, read 12,105,445 times
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Quote:
Originally Posted by City Guy997S View Post
I find that funny because from about 1975-1990 no Corvette/Mustang/Porsche 911 had 300 HP! Funny how performance has improved so much over the years!
Well, no Corvette or Mustang did, but the 911 turbo has had 300 or more horsepower since 1978, the 930 3.3 liter turbo.

Didn't need that much horsepower back then, because all the passenger cars were far slower too.
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Old 11-26-2014, 07:11 AM
 
9,302 posts, read 11,142,948 times
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Quote:
Originally Posted by MckinneyOwnr View Post
Well, no Corvette or Mustang did, but the 911 turbo has had 300 or more horsepower since 1978, the 930 3.3 liter turbo.

Didn't need that much horsepower back then, because all the passenger cars were far slower too.

Actually you are incorrect......1989 the 911 Turbo only had 265 HP and the 1991 had 315, the 1994 Turbo 3.6 had 355 and then the 993TT cracked 400 hp.
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Old 11-26-2014, 07:15 AM
 
4,429 posts, read 3,105,244 times
Reputation: 5262
Well we are all fatter now. Need that extra HP to move the extra mass
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