A4 vs A6
Thread Starter
Safety Car
Joined: Jan 2006
Posts: 3,713
Likes: 0
From: Littleton CO
A4 vs A6
A4 vs A6. I was origionally looking for a C6 with the 6 speed auto. However I found a good deal on an A4 and it works well with my trade.
What kind of milage difference is there between the 2? How are they different in drivability? Anything else I should take into consideration?
Thanks
What kind of milage difference is there between the 2? How are they different in drivability? Anything else I should take into consideration?
Thanks
Instructor
Joined: Sep 2005
Posts: 165
Likes: 0
A4 vs A6. I was origionally looking for a C6 with the 6 speed auto. However I found a good deal on an A4 and it works well with my trade.
What kind of milage difference is there between the 2? How are they different in drivability? Anything else I should take into consideration?
Thanks
What kind of milage difference is there between the 2? How are they different in drivability? Anything else I should take into consideration?
Thanks
Thread Starter
Safety Car
Joined: Jan 2006
Posts: 3,713
Likes: 0
From: Littleton CO
Also which usually has better dyno and or track numbers? I would absolutly love the paddle shifters. However I am having C6 fever and I am afraid of passing up a good deal. Like I said I don't think it is worth an extra 9k or so. If I found a similar deal on the A6 I would go that route first.
Le Mans Master
Joined: Sep 2000
Posts: 5,635
Likes: 4
From: Orlando Floriduh
I don't know that the rear gearing has much to do with it. My A4 has the 3.15 and gets 28-30 regularly @75mph. I also noticed that in the A6 trans there is no gear that is 1:1.
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Drifting
Joined: Jan 2006
Posts: 1,560
Likes: 3
From: FNDA Beach Florida
A4
If you can get it for 37K I would do it. Is it loaded? I pull my A4 down and shift it manually sometimes and you better watch out if you do cause she will let loose. I had mine tuned and I love it. 6 gears sounds nice but for me at least I doubt I would be a big user of the paddles. I'm a traditional right hand on the shifter left hand on the wheel driver. When I got my A4 I too got it 10K less and that extra $$$ was nice when I added a few mods.
Race Director
Joined: May 2001
Posts: 15,323
Likes: 2,077
From: Guelph, Ontario
Over the last few months I've been wrestling over the idea of whether or not to go for an 05 or 06 when I'm finally ready to buy a C6, and I've come to the conclusion that I must have an A6 even though the used prices on 05s are so much better. With the A6s much better overall first gear ratio it's going to feel a lot quicker off the line than an A4 (even a 3.15 A4) and having more gears also means it won't fall out of it's powerband as much on the 1-2 and 2-3 shift. So the A6 will definitely run quicker quarter miles. Nobody with an A4 C6 has even come close to the 12.21 quarter mile run by LS1LT1 in his 2006 A6.
Melting Slicks
Joined: Nov 2004
Posts: 2,514
Likes: 1
From: Orwigsburg Pa.
Had them both and the a4 is no slouch out of the hole, but does have some dead spots in rolling acceleration. The a6 is really a 4 speed with two overdrive gears so it effectively gives you one more gear and that really makes a difference in plugging up the holes that used to annoy me with the a4. As for the paddles, there is the same delay as if you manually shifted the a4. I only really use them on back roads with turns. I enjoy the driving characteristics of the a6 over my old a4, in the sport mode it always seems ready to respond at an rpm that finds power.
Drifting
Joined: Sep 2005
Posts: 1,775
Likes: 1
From: Rehoboth Beach Delaware
Also which usually has better dyno and or track numbers? I would absolutly love the paddle shifters. However I am having C6 fever and I am afraid of passing up a good deal. Like I said I don't think it is worth an extra 9k or so. If I found a similar deal on the A6 I would go that route first.
Transmission aside, the $9K difference is for a two year old car.
The 06 C6 had some improvements such as transmission and rear assembly and some cosmetics.
The 05 will have one year left on the warranty, the 07 will have 5 years (new for 07).
Racer
Joined: Feb 2006
Posts: 263
Likes: 0
From: Hermosa Beach CA
I've only had one A4 but this A6 is different animal. Best of both worlds with the paddle shifter. There's a price for everything and the only thing that matters is what you're willing to pay. You can't really lose now can you? Good luck...
Burning Brakes
Joined: Nov 2004
Posts: 1,028
Likes: 0
From: Fort Worth Texas
It depends...the difference is in the gearing.
If the A4 has 2.73's in the transaxle it will be a dog out of the hole (I know, I had an '04 A4 with 2.73's and it didn't feel like a Vette until I had 3.42's installed). If the A4 has 3.15's or better, then it will perform rather well.
The A6 is not an A4 with 2 overdrives, it is actually setup quite a bit differently in the gearing department. An A6 with the standard 2.53's will have a ratio slightly better than a 6 speed manual out of the hole. It's almost as if you have somewhere between 3.73's and 4.10's in the rear.
I'd avoid the '06 A6 due to the transaxle breakage issues that were redesigned in the '07's.
Mileage wise...about 1-2 Mpg.
If the A4 has 2.73's in the transaxle it will be a dog out of the hole (I know, I had an '04 A4 with 2.73's and it didn't feel like a Vette until I had 3.42's installed). If the A4 has 3.15's or better, then it will perform rather well.
The A6 is not an A4 with 2 overdrives, it is actually setup quite a bit differently in the gearing department. An A6 with the standard 2.53's will have a ratio slightly better than a 6 speed manual out of the hole. It's almost as if you have somewhere between 3.73's and 4.10's in the rear.
I'd avoid the '06 A6 due to the transaxle breakage issues that were redesigned in the '07's.
Mileage wise...about 1-2 Mpg.
Le Mans Master
Joined: Feb 2006
Posts: 5,762
Likes: 4
From: Chandler Arizona
It is my understanding that the breakage was with the 05 differential housings and that was redesigned for 06. The only difference I've read with the 07 A6 is that the have eliminated some of the paddle lag.
Burning Brakes
Joined: Aug 2004
Posts: 893
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From: Reno NV
Melting Slicks
Joined: Sep 2006
Posts: 3,185
Likes: 0
From: Rockmart GA
In time as long as GM keeps improving the Automatics with paddleshift we will start seeing The paddleshifts outrunning the best manual drivers. Just like how Porsche and Audi's systems out run the same car in a manual.
If porsche can make an automatic with a torque converter out run the Manual version GM can do it too.
_______________
Back to the thread..The A6 is faster...I'd go for an A6.
Last edited by UTVOL06; Dec 17, 2006 at 12:46 PM.
Melting Slicks
Joined: Oct 2005
Posts: 2,057
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Nobody with an A4 C6 has even come close to the 12.21 quarter mile run by LS1LT1 in his 2006 A6.
Thread Starter
Safety Car
Joined: Jan 2006
Posts: 3,713
Likes: 0
From: Littleton CO
If you can get it for 37K I would do it. Is it loaded? I pull my A4 down and shift it manually sometimes and you better watch out if you do cause she will let loose. I had mine tuned and I love it. 6 gears sounds nice but for me at least I doubt I would be a big user of the paddles. I'm a traditional right hand on the shifter left hand on the wheel driver. When I got my A4 I too got it 10K less and that extra $$$ was nice when I added a few mods.