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PostPosted: Wed Jan 22, 2014 8:43 am 
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Year and Trim: 2004 Bonneville GXP
When looking for my Bonneville GXP, I noticed that all of them tend to say the exterior color is "Graystone", but none are listed as "Medium Spiral Gray". I also noticed that it doesn't seem like Medium Spiral Gray was not offered as a color option on a 2004 Bonneville.
I looked up the code under the spare tire 'board' and noticed that the code is in face WA812 which is MSG.

I had a 2004 Corvette that was MSG, and I remember it being the same as what is currently on my GXP.
Also, we had a Grand Prix GXP that was Graystone, and I remember it being darker than MSG.

Just wondering why all websites (that I've checked out) lists the color as Graystone?
Possibly MSG was on a very early run of the 04 Bonneville GXP's before they switched over to Graystone?

I know MSG was only offered on the Vettes 2003 and 2004 and discontinued for 2005 which would explain Graystone as the Bonneville 'gray' color for 2005.


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PostPosted: Wed Jan 22, 2014 9:08 am 
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I always called my 04 Graystone Metallic, but with RPO VIN decoders (like compnine back in the way when it was free) I did see some mention here and there about Medium Spiral Gray. Could it just be the same paint, but two names?

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PostPosted: Wed Jan 22, 2014 9:42 am 
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Definitely two different shades of gray.
I just checked out some color charts I had. I just so happen to have the 2004 and 2005 (I own a body shop), and they show the two colors are quite a bit different.


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PostPosted: Wed Jan 22, 2014 10:54 am 
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I would definitely love to check out pictures of yours, and how it compares to my old 2004 allegedly Graystone car. I took the colour at face value when I bought it and never digged deeper. In some shades (and especially next to a brown/beige car), the paint almost had a green tint to it.

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PostPosted: Wed Jan 22, 2014 11:11 am 
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I think it's a matter of what we're calling it, and not actually what it is...

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PostPosted: Wed Jan 22, 2014 11:13 am 
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Year and Trim: 2004 Bonneville GXP
I just took pics of my GXP. I took them with my cell phone, so they are not great. It does appear to be slightly different than yours, but this could be the angle and the way my camera took the pics.
Looking at your pics, I would have to say that is also Medium Spiral Gray.
My GXP has the gray with a tinge of blue look

Pop the deck lid, lift the carpet, take off the spare tire board, look under it and look at the number on the bottom
See if it reads WA812.

Maybe I'm onto something lol
I did a Google "Image" Search and found one Bonneville that listed the color as MSG.
That was it though. Everything else was listed as Graystone.

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Pic of my Vette with Medium Spiral Gray


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PostPosted: Wed Jan 22, 2014 11:32 am 
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I have the 2004 and 2005 color charts side by side.
Graystone has a slightly brownish cast.
MSG has a blueish cast.

I just took this in my shop and is pretty dark, so the colors come up darker. BUT you can see the shades are different.

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PostPosted: Wed Jan 22, 2014 11:52 am 
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That's my favorite color on GXPs.

Off topic, but that Vette is gorgeous. I've never seen on in this color.

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PostPosted: Wed Jan 22, 2014 12:12 pm 
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I will confirm the there is more then one hue of that gray, my mothers car is an 04 gtp gt I don't know the paint code but it is the gray, I had a friend that had an 05 gp gt that looked like the same color but when parked side by side the 05 looked more blue

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PostPosted: Wed Jan 22, 2014 12:21 pm 
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Agreed that they are two different hues, but even if they were the same, it doesn't mean GM has to use the same brochure name between vehicles. A lot of the time, it may be the same color, but two different names because what name fits a Corvette's personality, is not the same as a Bonneville.

At the end of the day the RPO and/or actual paint codes on the SPI (and like above, what the Body shop uses), are all that matter.

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PostPosted: Wed Jan 22, 2014 4:15 pm 
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Year and Trim: 2004 Bonneville GXP
Me being a bodyshop, I would have looked at the codes (label in the trunk), which had WA312K listed on the RPO codes, looked the color name, then ordered the paint - 2004 GM WA312K Medium Spiral Gray.

I did a Google check for WA312 and no mention of Graystone was mentioned.
Graystone seems to be WA213

Maybe they got the 312 and the 213 backwards...interesting!!!
GM Typo error...lol
Or renamed WA312K from MSG to Graystone. Who knows.


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PostPosted: Wed Jan 22, 2014 6:54 pm 
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bonnevillegxp01 wrote:
Me being a bodyshop, I would have looked at the codes (label in the trunk), which had WA312K listed on the RPO codes, looked the color name, then ordered the paint - 2004 GM WA312K Medium Spiral Gray.

I did a Google check for WA312 and no mention of Graystone was mentioned.
Graystone seems to be WA213

Maybe they got the 312 and the 213 backwards...interesting!!!
GM Typo error...lol
Or renamed WA312K from MSG to Graystone. Who knows.

More GM name-games. The wife's CTS is "switchblade silver", but "switchblade silver" has two different WA paint codes depending if it's the lighter or darker color. go figure. I wish GM would quit that. - GM

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PostPosted: Wed Jan 22, 2014 7:58 pm 
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You're talking about a company that gives each individual part they put on a vehicle a separate part number, even if the part(s) are identical (for example, 4 identical sway bar bracket bolts).

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Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
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2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2007 Chrysler Town & Country Limited: Sold to neighbor
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PostPosted: Wed Jan 22, 2014 10:53 pm 
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2004 Bonneville GXP
bonnevillegxp01 when I saw the pictures of your car from the seller the color looked a little deeper gray with more blue tones in it. I was wondering if it was just the light. There is no mention of that color in teh sales literature. Only the Graystone Metallic 88U color option. Well there is always a possibility of a special factory order color on a car. I know this was possible in the 60's and 70's but I don't know if it was possible in 2004. I'll look at my spare tire cover to seethe color code on mine tomorrow. (Its 9 degrees out now so I'm not going outside) and post it. IMHO, MSG is a super nice color and if it turns out yours is really an MSG and not repainted, then you likely have a "one off" car. You can always contact Pontiac Historical services and buy a copy of your original window sticker and know for sure!

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PostPosted: Wed Jan 22, 2014 11:11 pm 
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I've seen a good number of spiral gray bonnes, GXP's and not. Just never knew there were 2 different grays.

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PostPosted: Fri Jan 24, 2014 12:19 am 
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2005 GXP
Just confirmed, my label in the truck has RPO 88U and U812K.
Went onto GMs website and ran my VIN and on the build sheet, 88U is listed as "Graystone Met."

FYI, my GXP is a 2005..
I have no answers to this topic, as I also find it confusing.

And to add to the mystery, I have a bottle of touch up paint that came from my dads 2007 Silverado Classic, that he bought new, that is painted a similar gray color.
The name of the color on the bottle is called Graystone Met, but with an RPO code of 16U WA213M.

Image

When compared to the paint on my car, it is a lot lighter/ more silver.

That's all I have up to this point.

Leon

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PostPosted: Fri Jan 24, 2014 7:41 am 
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I myself had a typo in the last post I added.
The codes listed should be WA213 (Graystone) and WA812 (Medium Spiral Gray). I mentioned it could have been a typo from GM (213 and 312). (I had a 3 instead of an 8 on the previous post). So disregard that post :)

This is interested. I've been painting and in the bodyshop for 20 years and haven't seen this before

I remember when I had to order paint for my Vette a few years back, the Medium Spiral Gray color had variants. Variants are different shades of the same color.
When painting a car or doing a spot job, you check out the variant swatches, then order paint by which variant matches the best.
I need to order some paint so I can paint my front license filler for my GXP when it comes in. So yesterday, I had my paint jobber drop off the GM variant swatches that included MSG. It also, by chance, included Graystone.

MSG had 2 variants. Graystone had 6 variant swatches.

Graystone
All 6 variants are WA213M
207a
207b
207c
207d
207e

Medium Spiral Gray
both variants WA812K
205
205a
After comparing the variants to the paint job on my car.
The Graystone was not even close. It had more of a brownish cast versus what is on the car. It was also lighter than the MSG
Both MSG variants were close, but one matched extremely close (pretty much dead on).

I took some pics of the swatches up against my car yesterday but have not got them from the camera yet.
Hopefully they came out good. Pics are deceiving sometimes but they should give everyone the idea of the differences.

I know MSG was a color option on the Vettes 2003 and 2004. Then if I remember right CyberGray took over (gray with blue pearl sparkles in it)
I'm not for sure on the Bonnevilles, but I know "Graystone" (at least the name) was offered 2004 and possibly 2005.

My conclusion....
Your 2004 (and possibly 2005) Graystone Bonneville is really painted Medium Spiral Gray :)

Since the Corvette already had the Medium Spiral [b]"name", GM/Pontiac used the same "color", but changed the name so the Vette would have the unique name (like CMNTMXR57 mentioned).[/b] I would guess that GM changed the name to Graystone, knowing that this would be an actual color with it's own formula at a later date.

I really loved the MSG on my Vette and not seeing "Graystone" in person on a GXP, I was hoping it was close to the MSG color.
Well, it IS MSG...lol The MSG color has a 'floating sparkle' effect to it. I can't remember the name of the metallic toner added to the color to it to give this effect, but I was told the little flakes have more of a stop sign shape to them versus a typical metallic flake (just fyi)

So, If the color name of your 2004 Bonneville is "Graystone", it is is really Medium Spiral Gray - of course as long as it has the WA812K code which I would bet it does.
I'm not for sure if this holds true for the 2005 Bonnevilles though. You'd have to check the RPO code (in trunk on the underside of your spray tire 'board'. The code at the bottom of the label). Looking at the pics that 1tinindian posted, I would say Pontiac maintained MSG as the 'real' color and "Graystone" as the name. The truck looks more like the real Graystone...but the U812K and 88U code he posted adds to the confusion as this is should really be painted MSG. 1tinindian, are you sure that's not the codes from the label from your GXP and not your truck? Or, did you mean to say "trunk". Can't figure that one out.

So if you get your Graystone Bonneville painted, they need to go by the RPO code, NOT the name.
Or if you get touch-up paint and you have W812K as the code, get Medium Spiral Gray.

I'll post those pics later on
:beerchug:

nos4blood70 - thanks for the compliment on that Vette. Yes, that was a very rare color combo.
Funny, I sold that one and bought a Convertible Vette that same color combo w/ a black top


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PostPosted: Fri Jan 24, 2014 9:07 am 
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To add to this, I checked all the paperwork they gave me, and I found the dealer sticker.
And it does say "Graystone".

So mine is also Graystone by name, Medium Spiral Gray by code.
This further proves the above.


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PostPosted: Fri Jan 24, 2014 2:38 pm 
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bonnevillegxp01 wrote:

I'm not for sure if this holds true for the 2005 Bonnevilles though. You'd have to check the RPO code (in trunk on the underside of your spray tire 'board'. The code at the bottom of the label). Looking at the pics that 1tinindian posted, I would say Pontiac maintained MSG as the 'real' color and "Graystone" as the name. The truck looks more like the real Graystone...but the U812K and 88U code he posted adds to the confusion as this is should really be painted MSG. 1tinindian, are you sure that's not the codes from the label from your GXP and not your truck? Or, did you mean to say "trunk". Can't figure that one out.


Correct, my mistake. I meant to say trunk, NOT truck.
In the trunk of my 2005 GXP, the RPO 88U and paint code U812K.
88U is confirmed through GM vehicle build data on their Global Connect web site.

The 2007 Silverado truck is RPO 16U and paint code WA213M.

By name, they are both called Graystone Met.

I too, have been doing paint and body work for close to 30 years, and find this all very interesting.
You're right, some colors can have a lot of variations, and the color deck of samples are your only way of getting close to the right one, some times.

I hope I cleared my info up for you.

Leon

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PostPosted: Fri Jan 24, 2014 2:46 pm 
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I sooo want to get into body work...

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Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*

Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ

Daily Drivers:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2007 Chrysler Town & Country Limited: Sold to neighbor
2009 Pontiac G8 GT: L76, Sport Red Metallic
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... new plow truck
1999 Chevrolet Suburban: Sunset Gold Metallic - Daddy's winter beater and plow truck


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