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Old 04-03-2013, 10:02 PM
 
Location: Scottsdale, AZ
4,472 posts, read 17,640,281 times
Reputation: 4095

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Quote:
Originally Posted by iTsLiKeAnEgG View Post
You got it, 2011 Genesis Coupe. I'd like to turn up the boost but I'll have to build internals before I'd be comfortable with that.

The Viper is definitely an attractive machine and they tend to hold their values well compared to Corvette's although the C7 is nothing to sneeze at either.
I've ridden in a few of the previous generation Viper's and while those machines are a BEAST, they're not very livable. I don't think I'd be comfortable driving one very often and I've always found the Corvette to be the best value per dollar on the market. However I think the 2013 Viper is a whole different animal but when you're talking a price that is upwards of $100K base and over $130K with a few options...I don't have the income for that price tag.

I thought about a new Mercedes SL550 as well but then again...you're figuring close to or over $120K with a few option boxes checked.

After I saw the C7 convertible...I knew it was right. Base price somewhere around $58K, with the 2LT package add another $5K or so, and BOOM everything I could want for less than the price of most other comparable vehicles on the market. The value just can't be beat for me.
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Old 04-03-2013, 10:06 PM
 
Location: SF Bay Area
5,994 posts, read 19,921,773 times
Reputation: 4078
Quote:
Originally Posted by SpeedyAZ View Post
I've ridden in a few of the previous generation Viper's and while those machines are a BEAST, they're not very livable. I don't think I'd be comfortable driving one very often and I've always found the Corvette to be the best value per dollar on the market. However I think the 2013 Viper is a whole different animal but when you're talking a price that is upwards of $100K base and over $130K with a few options...I don't have the income for that price tag.

I thought about a new Mercedes SL550 as well but then again...you're figuring close to or over $120K with a few option boxes checked.

After I saw the C7 convertible...I knew it was right. Base price somewhere around $58K, with the 2LT package add another $5K or so, and BOOM everything I could want for less than the price of most other comparable vehicles on the market. The value just can't be beat for me.
I agree wholeheartedly. The C7 checks all the right boxes, has an interior I could live with and has fairly revolutionary styling that should stay fresh for some time.
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Old 04-03-2013, 10:20 PM
 
7,280 posts, read 10,896,245 times
Reputation: 11491
Quote:
Originally Posted by ducviloxi View Post
Car 1:
Curb weight - 3200 lbs
Horsepower - 143hp @ 5200 rpm
Torque - 202 lb-ft @ 2800 rpm

Car2:
Curb weight - 2800 lbs
Horsepower - 130hp @ 6000 rpm
Torque - 128 lb-ft @ 3800 rpm

Which car will feel faster - in terms of accelerating from a start and also in terms of passing at highway speeds?
Gearing doesn't matter. The transmission doesn't matter either.

What matters is the power curves of the engines. Most other factors can be manipulated manually by the driver by how they operate the drive train.

Those figures are a snapshot of engine performance, not how much power it produces otherwise. For example, does engine one fall off the cliff past 5200 rpms or is it dead between 2800 and 5000? How do the curves for HP and torque match up throughout the operating range of the engine?

So, there is no right answer and most guesses will be incorrect as well. There is no way to even guess and be close.
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Old 04-04-2013, 08:56 AM
 
Location: Cole neighborhood, Denver, CO
1,123 posts, read 3,095,744 times
Reputation: 1254
Quote:
Originally Posted by ducviloxi View Post
To remove the mystery:

Car 1 is a 2004 Nissan Frontier XE 4 cyl
Car 2 is a 2013 Nissan Sentra SL
Why not just look up their 0-60 numbers?
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Old 04-04-2013, 09:30 AM
 
Location: NY
9,131 posts, read 19,896,257 times
Reputation: 11706
Everything is going to feel faster than a CVT Sentra off the line. The Sentra's 4 banger CVT drivetrain feels absolutely lifeless off the line, IMO.

Last edited by Checkered24; 04-04-2013 at 10:36 AM..
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Old 04-04-2013, 09:56 AM
 
8,402 posts, read 24,120,831 times
Reputation: 6822
Quote:
Originally Posted by Checkered24 View Post
Nothing is going to feel faster than a CVT Sentra off the line. The Sentra's 4 banger CVT drivetrain feels absolutely lifeless off the line, IMO.
Then wouldn't many cars feel faster?
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Old 04-04-2013, 10:37 AM
 
Location: NY
9,131 posts, read 19,896,257 times
Reputation: 11706
Quote:
Originally Posted by vmaxnc View Post
Then wouldn't many cars feel faster?
Yep... I knew what I wanted to say... and said the opposite. Fixed it. Thx!
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Old 04-04-2013, 11:32 AM
 
Location: Whittier, CA
494 posts, read 1,911,026 times
Reputation: 459
Actually the 0-60 for the truck is 11.5 and for the car with the CVT is 9.0, how is that for a surprise
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Old 04-04-2013, 12:11 PM
 
Location: Funkotron, MA
1,203 posts, read 4,061,495 times
Reputation: 1821
Quote:
Originally Posted by Mack Knife View Post
Gearing doesn't matter. The transmission doesn't matter either.
It matters a lot actually. You can drive however you want, but it won't change the gearing ratios. A 3 speed transmission will not be able to properly utilize the torque as much as a 5 or 6 speed will.
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Old 04-04-2013, 12:26 PM
 
Location: Funkotron, MA
1,203 posts, read 4,061,495 times
Reputation: 1821
Quote:
Originally Posted by MckinneyOwnr View Post
It is backwards. Engines produce far more torque than they do horsepower in the lower rpm ranges. It's torque that gets you rolling, it's horsepower that lets you keep accelerating at higher speeds.
Engines only produce torque. It's torque that lets you keep accelerating, period.

Horsepower is a function of torque: HP = (T x RPM)/5252

You can get high HP from either high torque or high RPMs. This is why seemingly slow, but high reving cars can have high HP numbers. Or why a diesel truck can tow a house but has fairly a low HP (RPMs are always low).

The best way to get an idea of the engine's performance is to take a look at the torque/dyno graph. Then to get an idea of the car's performance you have to take into account weight, gearing/transmission, and aerodynamics.
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