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These are the top luxury cars bought by people entering the segment for the first time

Let's say you just got a big promotion at work or the kids are moving out of the house, and you finally have some extra money. You decide to blow it all at once and treat yourself by upgrading your ride. Naturally, you look to a luxury automaker. What do you choose?
Models like the Audi A3 and Mercedes-Benz CLA-Class may be tailor-made to introduce buyers to the premium segment, but a new study finds that they don't garner the highest rates of non-luxury customer conquests. It turns out that a Volvo leads among folks moving up to a premium brand, and it isn't even one that's made anymore, at that.
A recent study by Polk and IHS Automotive looked at what models had the highest rates of buyers upgrading from a non-luxury segment. The information comes from its new vehicle registration data through April 2014. All ten top models boasted conquest rates of over 50 percent, but the Volvo C70 led the field with 68.01 percent of its customers coming from non-premium brands.

Cadillac tipped to call flagship something other than LTS

Cadillac wouldn't be Cadillac without large sedans in its lineup, and while the XTS has had to hold down that end of the fort all on its own, it won't have to for too long. That's because the luxury brand in the General Motors portfolio is preparing to roll out its new LTS, stylistically previewed by the Elmiraj concept pictured above. Only now, the latest thinking is that the upcoming flagship model may not be called LTS at all.
As Automotive News points out, Cadillac's naming scheme is all over the place at the moment. The ATS slotting below the CTS makes sense (alphabetically), but where do the ELR, SRX and especially the Escalade fit into that naming hierarchy? And how would LTS - as the project has been known until now - sit above the XTS?
Fortunately, Cadillac may be on the case, as two of the division's most recent senior appointments seem keen to rationalize the naming scheme. One is Uwe Ellinghaus, who joined Cadillac as chief marketing officer late last year. Speaking of the brand's nomenclature last spring, Ellinghaus was quoted as saying, "We are aware that this is currently a weakness of the Cadillac brand." And his new boss is bound to agree.

How GM's grueling 24-hour test gets the kinks out of its performance cars

One of the biggest challenges automakers face when designing a high-performance car is making sure that it is both fast and reliable. For General Motors, any car that might be taken to the track by its owner - like the Corvette, Camaro Z/28 (shown above) and the Cadillac CTS-V, for example - undergoes a rigorous and strenuous 24-hour test by engineers at the Milford Proving Grounds, as pointed out by Car and Driver.
We've posted on this topic in the past - on a video showing the Camaro ZL1 being brutalized, for instance - but this article gives a more in-depth look at what actually happens behind the scenes... including what that poor ZL1 went through. Though the test isn't for 24 hours straight, the cars are pushed as hard as possible by some of GM's best drivers with only the brakes and tires replaced frequently.
We don't want to ruin the fun for you, but it is an interesting article that tells just some of what GM does to develop its sports cars. Check out the full article over at Car and Driver for the rest of the story.