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RennTech C63 Vs. GTR

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Old 07-14-2009, 12:10 AM
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2013 Nissan GT-R BE
Seriously how is the Nissan GT-R compare to the C63 or E63? After seeing your photos I am VERY temped to get a GT-R instead. The real thing looks much better than any stock photos I have seen, specifically the front end.

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Old 07-15-2009, 10:52 AM
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2009 C63 AMG / 2009 Nissan GT-R / 1988 Ferrari 328 / 1977 Maserati Bora
I own both...

They're completely different cars from a feel perspective...

STRAIGHT PERFORMANCE
GTR = Turbo so power isn't as immediate, but the rush (). Exhaust note is very turbine like.
C63 = Brute V8. Much better exhaust note (especially rev at idle). Big power, but not as exhilarating of a sensation as the GTR (probably perception from the turbos).

Stock GTR is considerably faster in stock form for my cars. My Gtech yields the following:
GTR 0-60 stomp (no launch control) 3.9s
C63 0-60 stomp 4.7s

TRACK etc.
No comparison. The GTR is better in every respect on any track of any length. The performance limits of the car are well beyond my "guts" factor for both cars, but you can feel the difference in capabilities. The C63 feels like a "hot sedan" in comparison to the GTR that seems "purposefully built.

BRAKES
Brakes on the C63 are great, but he GTR has 2piece 15" rotors all around. Stomp the brakes in the GTR and you'll be reaching into the dashboard for your eyeballs.

TRANSMISSION
The C63 has the better slushbox for everyday commuting (but that is what it is - a torque converter slushbox). The GTR has the better transmission for racing and spirited driving. The shifts are on a whole other level. However, it does jerk and spit a bit in city driving, especially when cold. Paddle shifters are too small in the C63 but move with the steering wheel, in the GTR they are large but don't move with the wheel.

HAULING ability...
GTR = True 2+2. Ok for the kids, or an occasional party of 3, but not practical if you have to haul real people in the back often. Rear headroom is really limited. C63, though no family hauler does have more doors and decent head and leg room. If you drive alone then the GTR is better because I personally don't like the deep bucket seats on the C63. I have to have two settings to get in and out of the car as to not tear up the bolster on the seats of the C63.

INTERIOR FIT AND FINISH...
The C63 is better in every way. The headliner and visors in the GTR are straight from the Maxima. I don't know what the leather used was, but it wasn't from the best part of the cow. The carpet is extremely cheap (I think for weight savings) and there are folds and places where you can see the under base.

Things I don't like about each car...
C63 mileage and tank size. I can rarely get more than 300 miles from a tank in mixed driving. It is a combination of a small tank and bad mileage. Keeping your feet out of the turbos will yield 4-6mpg better hwy mileage in the GTR on the same trip. As a result I can get 350-370 miles from a tank in the GTR (about the same size tank).

C63 front seats. They look all cool, but the livability is bad. Setting #1 is how I drive. Setting #3 is how I get into and out of the car.

C63 Navigation. It gives up street detail at too much zoom. However, I hate the GTR's navigation also for entirely different reasons.

GTR. Interior fit and finish. It just sucks. The layout is great the seats are good (little to little padding for a long trip).

GTR steering wheel. It just feels like you could build 300 GTR steering wheels for the cost of 1 C63 steering wheel. There is a big bulb where the airbag is and the wheel itself feels "cushy". That'd be the first thing I'd change if I could.

GTR attention. The people that recognize the car are fanatical and stupid. Some guy in a Murano had his girlfriend literally hanging out of the passenger side of the car (whole body above the waist) on a freeway with a camera phone. So fanatical that I purposely didn't take my prescribed exit because he was taking it.

GTR noises. It makes some weird noises (rattling, clunking, etc).

Things I love about each car...
C63, exhaust and that right now torque. Quieter ride. Not noticed except by a reasonable knowing human being.

GTR, the playstation gauge selections are really cool. Back road spirited driving =

I can drive either car on any day and I probably drive the GTR 70% of the time.

Hope this helps,


Ron

Last edited by Ron Scarboro; 07-15-2009 at 10:57 AM.
Old 07-15-2009, 01:40 PM
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2013 Nissan GT-R BE
Thanks Ron, it does. I am still considering the C63, but now I think I will actually like the GT-R better. I heard that the warrantee on the GT-R sucks, so I am wondering what's your experience on dealing with the dealership or other 3rd parties on servicing your GT-R? Also how much you pay for insurance on your C63 and GT-R? Thanks.

Sheep

Last edited by Sheep; 07-15-2009 at 01:43 PM.
Old 07-15-2009, 04:14 PM
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2009 C63 AMG / 2009 Nissan GT-R / 1988 Ferrari 328 / 1977 Maserati Bora
GTR insurance is about 10% more which is probably no more than the price difference.

Service for the GTR isn't bad though MB service is a more professional experience. GT-R dealers have dedicated personnel and you're seen as a king when you're at the dealership.

The warranty issues are all around the Launch Control. If you launch the car with the transmission, suspension and VDC in R-mode you have no warranty issues. If you launch once with VDC off and the transmission fails you're screwed. The GT-R has a sophisticated "black box" that monitors everything.

A lot of warranty denials are for folks that have modified the car. Being a turbo, 600-700 hp is just an ECU and exhaust away.

It took two dealerships to buy a GT-R. The first was so unprofessional I left. They're too used to 24 year old credit problems who want to joy ride a GT-R.
Old 07-16-2009, 12:02 AM
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2013 Nissan GT-R BE
Yeah, the dealership buying / servicing experience can really make or break a car. I used to have a RX-8 that getting stuck with a crappy Ford dealership and that sucked. I know most local MB dealer in NoVA sucks, and this is why I am looking for one in MD but it's pretty far. The 3 local Nissan dealers are all very close but I have no clue how good they really are other than some decent online reviews.

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Old 07-18-2009, 04:42 AM
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2009 GT-R
How's C63's ride compare to GT-R's?

I know unlike the GT-R, C63's suspensions aren't electronically adjustable, but the "comfort" button in my GT-R doesn't do anything except making the car more unstable in high speed.
Old 07-18-2009, 08:33 AM
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The GTR is still just a Nissan. And way over the price of a C63.
Turbos are always trouble in the long run too. All you GTR buyers will find out sooner or later that you just can't compare a Nissan with a Benz. Maybe right away it seems better but the Benz is a much better car in the end.
Old 07-18-2009, 09:22 AM
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cl65 AMG evotech, cay turbo evotech, evo 9 (490hp)
Originally Posted by Morro
The GTR is still just a Nissan. And way over the price of a C63.
Turbos are always trouble in the long run too. All you GTR buyers will find out sooner or later that you just can't compare a Nissan with a Benz. Maybe right away it seems better but the Benz is a much better car in the end.

you got some serious complexes. I just cant understand why fanboys like you (not even on this forum) write ***** like that. R35 gtr is one of the best supercars ever made in history( the car is in the top-ten of nurburgring-times) and yes you can´t compare it with the "poor" w204 c63.
Take a testdrive with the gtr.

Last edited by L.A.448; 07-18-2009 at 01:38 PM.
Old 07-18-2009, 10:13 AM
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Originally Posted by Morro
The GTR is still just a Nissan.
Well, the GTR and the Skyline's are very respected cars on the track and on the streets. And also by a Nissan, the quality of the cars is almost, or even the same, as a Mercedes-Benz. I like the GTR very much, although I will choose a modded C63 because here in Holland there's only 1 official GTR dealer, and the Mercedes dealer is 3 miles away from my home.
On the dragstrip the GTR will have a advantage because it gots 4wd and 2 turbo's which will boost the GTR nearly a second faster from 0-60 than a C63.
Old 07-18-2009, 11:10 AM
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I knew that would spike a few jap lovers. Just had to do it. Why would any idiot pay almost 25k (CDN) more to save 0.1 to 0.3 seconds 0-60 time? That time is all but erased with a $1500 ECU tune. Sure its a great track car, but, where I live the roads aren't tracks, they're roads. Japs can't compete with the Germans, you'll see. Those turbos will cost you big bucks in the end. You can swear at me all you want but you'll see.
Old 07-18-2009, 12:13 PM
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Originally Posted by Morro
I knew that would spike a few jap lovers.

Japs can't compete..........
If your racist remarks are an attempt to validate your argument, you have seriously failed. I predict your time here will be short lived if you keep that up.

BTW, The Japanese do happen to compete with the Germans fairly well.
Old 07-18-2009, 12:23 PM
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2013 Nissan GT-R BE
I don't think you can go wrong with either the C63 or GT-R. However, I do think that there are more after market options for the GT-R...

Sheep
Old 07-18-2009, 02:13 PM
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cl65 AMG evotech, cay turbo evotech, evo 9 (490hp)
Originally Posted by Morro
I knew that would spike a few jap lovers. Just had to do it. Why would any idiot pay almost 25k (CDN) more to save 0.1 to 0.3 seconds 0-60 time? That time is all but erased with a $1500 ECU tune. Sure its a great track car, but, where I live the roads aren't tracks, they're roads. Japs can't compete with the Germans, you'll see. Those turbos will cost you big bucks in the end. You can swear at me all you want but you'll see.
I currently own a tuned cl65 and cayenne turbo also tuned, my only jap is an evo which was made for the track, and you call me a jap lover? I just accept that the new gtr is a very fast and pretty comfortable car for its price, thats a fact.
Old 07-18-2009, 03:01 PM
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Jap lovers!!!!
Old 07-18-2009, 03:10 PM
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Soooo, I guess J.D. Power index says it all? According to that we should never buy a Benz because it's under average?
Old 07-18-2009, 03:25 PM
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cl65 AMG evotech, cay turbo evotech, evo 9 (490hp)
Originally Posted by Morro
Jap lovers!!!!
Old 07-18-2009, 04:40 PM
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09 C63 steel grey
Originally Posted by Morro
Jap lovers!!!!
Man, I f-n love sushi too!
Old 07-20-2009, 10:58 AM
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GT-R, C63 long gone:'( 2013-GL350 - Gone, GLC43 On The Way
Originally Posted by Morro
I knew that would spike a few jap lovers. Just had to do it. Why would any idiot pay almost 25k (CDN) more to save 0.1 to 0.3 seconds 0-60 time? That time is all but erased with a $1500 ECU tune. Sure its a great track car, but, where I live the roads aren't tracks, they're roads. Japs can't compete with the Germans, you'll see. Those turbos will cost you big bucks in the end. You can swear at me all you want but you'll see.
My GT-R cost me 14 grand CDN more and was worth every penny. It is so much more of a beast. The C fits the bill of me hauling around my my 3 sons and also doing winter car duty. I will take my C to the track and I can tell you there will be a lot bigger difference than 0.1 to 0.3 seconds for 0-60 and the 1/4 mile. I love both cars, and for my situation they are the perfect complement to each other. I pretty much agree with Ron 100% on his comparison.
Old 07-20-2009, 01:39 PM
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Originally Posted by sti-tom
My GT-R cost me 14 grand CDN more and was worth every penny. It is so much more of a beast. The C fits the bill of me hauling around my my 3 sons and also doing winter car duty. I will take my C to the track and I can tell you there will be a lot bigger difference than 0.1 to 0.3 seconds for 0-60 and the 1/4 mile. I love both cars, and for my situation they are the perfect complement to each other. I pretty much agree with Ron 100% on his comparison.
Hauling your three sons around and also winter car duty... in a C63?? what are you going to do? put spikes and chains on it during winter in Canada?
Old 07-20-2009, 02:13 PM
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Originally Posted by Morro
Jap lovers!!!!
Get help retard!
Old 07-20-2009, 03:59 PM
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Jap lovers!!!
Old 07-20-2009, 04:15 PM
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I can understand the feeling of Morro.
Too many people tried to compare the GTR to its only rival , the 997 GT2.
Come on !! You compare a Playstation car to a mighty porsche !
Don't you buy vehicules just for their performance ?

Ok , on perfs point , GTR is far ahead of most "sports" cars. But hey , did you already see the interior of this car ??? I saw only 1 for now , but damn , that thing is just plastic on plastic. How can this be a daily car ??? No way.

The price gap between a 997 GT2 and a GTR ??!! Well , I just answered your question. You CAN'T compare ( at least on a full comparo ) those two cars.

Even if the C63 is not a 997 GT2 , its the same story here between GTR and C63. Of corse , the C63 is fast , of corse the GTR is even faster. But , even if its not as "class-ish" as the GT2 , the C63 is much more driver-friendly.

My point.

No offense at all.

PS : and thats what Jap cars are , performance cars only. Now you just have to know what you want to drive Or buy both
Old 07-20-2009, 05:20 PM
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cl65 AMG evotech, cay turbo evotech, evo 9 (490hp)
Originally Posted by Kaiba
I can understand the feeling of Morro.
Too many people tried to compare the GTR to its only rival , the 997 GT2.
Come on !! You compare a Playstation car to a mighty porsche !
Don't you buy vehicules just for their performance ?

Ok , on perfs point , GTR is far ahead of most "sports" cars. But hey , did you already see the interior of this car ??? I saw only 1 for now , but damn , that thing is just plastic on plastic. How can this be a daily car ??? No way.

The price gap between a 997 GT2 and a GTR ??!! Well , I just answered your question. You CAN'T compare ( at least on a full comparo ) those two cars.

Even if the C63 is not a 997 GT2 , its the same story here between GTR and C63. Of corse , the C63 is fast , of corse the GTR is even faster. But , even if its not as "class-ish" as the GT2 , the C63 is much more driver-friendly.

1. the rival is 997 turbo - not gt2
2. I want to look at you if you try to drive that "playstation" around the ring
3. Have you already seen the interieur of f430?? its much worse than r35 gtr´s, does it makes ferrari worser?? No! And also, the interieur of c63 is very crappy for its price, m3 is much better. I personally like the interieur of gtr, not very luxury and comfortable compare to my cl65, BUT better than in the c-class. C63 is also just plastic on plastic!
4. I have driven the gtr for a week in moscow and I can say its comfortable supercar for daily driving, compare to some others.

The only weakness of the gtr is the fact thats its a Nissan.

PS: people like Morro are called fanboys, I m sure he never had driven one, so what to discuss??
Old 07-20-2009, 05:23 PM
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cl65 AMG evotech, cay turbo evotech, evo 9 (490hp)
Originally Posted by Kaiba

and thats what Jap cars are , performance cars only.
That belongs to sti and evo´s - not gtr.
Old 09-24-2009, 10:35 PM
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'09 C63 AMG
So, never-mind my measly (412WHP) 515HP RENNtech C63; explain this one to me...

A friend of mine just had his '10 GT-R custom tuned with the Cobb AccessPort (std. Cobb AccessPort GT-R tuning map + then custom map tuned @ a local tuning shop)...

Stock: 434AWHP...the tuner said this is the highest he's seen ANY GT-R dyno!

Tuned: 514 AWHP, 484 lb-ft AW TQ!!!!!


My friend is not b.s'ing either; this is what the dyno read and it was a Mustang Dyno. I think that's some crazy ***** right there and he's got himself a 640+HP Supercar now that should probably run in the 10's in the 1/4 mi.. What do you guys think?

Last edited by sflgator; 09-24-2009 at 10:43 PM.


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