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Zeta Update: Chevrolet Sedan, Premium Zeta In Development

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Zeta Update: Chevrolet Sedan, Premium Zeta In Development

GM INSIDE NEWS

In June GMI published that General Motors was looking into providing the Cadillac brand with a true luxury flagship sedan, but the program was not yet approved. Since June GM has solidified plans for more rear-wheel drive Zeta products, including a Chevrolet sedan coming in 2012 and an all-new Zeta platform called “Premium Zeta.”

Earlier this month GM Holden revealed the revised Zeta-based Commodore lineup. The refreshed Commodore is going to serve as the basis of an all-new Chevrolet product for the 2012 model-year. The sedan has been dubbed “SS Sedan” internally, though it does not have a name at this time.

The car will be imported from Australia in limited runs and will serve has a high performance sedan only. GM does not intend for the car to sell in high volumes. Sources state that the car will be “very closely related” to the former Pontiac G8 GXP, which also hailed from GM Holden.

Sources state that the unnamed Chevrolet is showing up internally as a 2012, meaning it could launch anytime between August 2011 and January 2012. Powertrains have not been confirmed, but GMI fully expects for GM’s LS3 6.2-liter V8 to be in tow.

Premium Zeta

Sources familiar with GM engineering have stated that development is taking place on a new iteration of Zeta that is being called “Premium Zeta.” Premium Zeta is likely the same platform that was being referred to as “Beta” over the summer.

The GM board of directors has blessed Premium Zeta, though vehicle programs that may reside on it are not yet approved for production. One of those programs is a Cadillac flagship sedan. According to sources familiar with GM’s executive committee, the car will have a price range of $70,000 to $150,000; slightly undercutting the Mercedes Benz S-Class.

Word has it that incoming GM CEO Dan Akerson is personally advocating for a flagship Cadillac sedan and that most of the GM board of directors is supporting such a vehicle as well. As GMI reported back in June, final approval of the program is not likely until after GM’s initial stock offering later this year.

Supplier sources have confirmed that GM has not sourced anything for Premium Zeta at this time; meaning development is still in its infancy. Once approved, the traditional time frame would mean Premium Zeta vehicles would launch during the second half of the decade unless GM fast tracks development, which is possible.

link:

http://www.gminsidenews.com/forums/f70/zeta-update-chevrolet-sedan-premium-zeta-development-95931/

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Report: Next-Gen Zeta Platform To Underpin New Chevrolet, Buick and Cadillac Sedans

By Viknesh Vijayenthiran

Editor

September 28th, 2010

General Motors’ rear-wheel drive Zeta platform was pioneered in Australia for the locally built Holden Commodore sedan but right from the start Detroit had global intentions for the design. Today, Zeta running gear can be found in models sold in China, South Korea, the UK, and in North America (Pontiac G8 and Chevrolet Camaro), but GM has much more ambitious plans for the platform, going right up until 2020.

Last year we reported that the platform would be modified to be smaller and more fuel-efficient, and that the first car to ride on this ‘Zeta II’ design would be the next-generation Holden Commodore due in 2013. A new report published by Motor Trend confirms that Holden is developing a lighter and more highly-evolved version of the four-year old Zeta platform and gives us insight on some of the U.S. models that will benefit from it.

There will be two versions of the Zeta II platform: short- and long-wheelbase. Both will feature increased use of lighter materials in their construction, including the possibility of advanced composites and high-strength steels. Other issues potentially affecting the design process include the use of more fuel-efficient powertrains, such as diesel and hybrid options, as well as increased global production.

Some of the recipients for the updated platform include a new sports sedan from Chevrolet, essentially a four-door Camaro (the Camaro itself will switch to the smaller Alpha rear-wheel drive platform for its replacement), a premium sedan for Buick and a more luxurious version for Cadillac to rival the likes of the Mercedes-Benz S-Class, BMW 7-Series and new Hyundai Equus. Importantly, this new large Cadillac won’t be the brand’s flagship. That title will reportedly go to an even more upscale sedan designed to compete with Bentley and Maybach--but on a much lower price scale.

It’s important to note that GM is likely to keep its rear-wheel drive Sigma platform, too. Sigma currently underpins the Cadillac CTS and this is the platform that will likely be used for the next-generation CTS and its variants. This means that in the near future, Cadillac will feature three separate rear-wheel drive platforms, Alpha for its small cars, Sigma for its mid-size cars and Zeta II for the big boys.

Additionally, fans still lamenting the loss of the Pontiac G8 can look forward to a new affordable rear-wheel drive sports sedan, this time wearing a Chevrolet badge.

link:

http://www.motorauthority.com/blog/1049805_report-next-gen-zeta-platform-to-underpin-new-chevrolet-buick-and-cadillac-sedans

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I wonder if Buick/GM wouldn't benefit more from building a Velite-like vehicle (i.e. convertible) instead of another sedan... They can keep rebadging the Holden Caprice as a Buick for export to China, the same way they do now...

Edited by ZL-1

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i thought the next CTS was on alpha.

Nope! The ATS, Cadillac's 3-Series/C-Class fighter, will move to the Alpha platform. The CTS will grow for its next-gen version, allowing the ATS to come in close to the current CTS's size, and it's already expected to get convertible, coupe, wagon and sedan variants.

The move from Sigma and Zeta to a merged Alpha platform will prep Cadillac for a bigger global push, while allocating production as demand requires, making the most out of manufacturing and design resources.

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Buff book says hot Chevy is in the works

Automotive News -- October 4, 2010 - 12:01 am ET

As General Motors plunged into bankruptcy last year, plans for a sporty rear-drive Chevrolet sedan that had enthusiasts licking their chops were put on the back burner.

Now Motor Trend reports in its November issue that the project -- characterized as something akin to a four-door Camaro -- has been revived.

In addition, the magazine says, a low-volume rwd sedan priced at about $130,000 is in the works for Cadillac. That car would attempt to put Caddy in the same league as the Mercedes-Benz S-class and BMW 7-series sedans.

Both GM vehicles would be introduced by mid-decade. They would be developed on the company's next-generation rwd Zeta platform that Motor Trend says would be significantly re-engineered, using high-strength steel to reduce weight.

The Cadillac's styling is expected to be dramatic -- an effort to draw attention to the brand in China and Europe. The car may get a few styling cues from the over-the-top Cadillac Sixteen concept, which got a lot of attention when it was shown in 2003.

Read more: http://www.autonews.com/apps/pbcs.dll/article?AID=/20101004/OEM03/310049981/-1#ixzz11OpCGuE8

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Nope! The ATS, Cadillac's 3-Series/C-Class fighter, will move to the Alpha platform. The CTS will grow for its next-gen version, allowing the ATS to come in close to the current CTS's size, and it's already expected to get convertible, coupe, wagon and sedan variants.

I thought the ATS was going to be a compact--i.e. 3-series sized-- and the CTS was going to remain midsized--i.e. 5-series sized.

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I thought the ATS was going to be a compact--i.e. 3-series sized-- and the CTS was going to remain midsized--i.e. 5-series sized.

Both the 3-series and 5-series are growing, and the 5-series now is almost the size of the last-gen 7-series, so what Oracle is saying makes sense in product comparability.

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