1984 Cadillac Fleetwood Brougham D'elegance Sedan 4-door 4.1l V8 Low Miles on 2040-cars

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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.

SRX-replacing Cadillac XT5 spied for the very first time

Cadillac has got big plans in place to revitalize its lineup, with new sedans, coupes and crossovers. And it all starts with this, the replacement for the SRX.
Expected to be called XT5 in line with the brand's new naming scheme, the crossover will be based on a scalable new platform called C1XX - or Chi, for short. In its shorter form, Chi is anticipated to underpin the XT5 as well as a new Chevy crossover and the next-gen GMC Acadia. In long-wheelbase form, the platform is slated to give us a larger Cadillac crossover as well as a new Buick Enclave and Chevy Traverse.
Power in the XT5 will be provided by a choice of turbo four or atmospheric six, potentially to be transmitted through GM's new nine-speed automatic.

2015 Cadillac Escalade on sale in April priced at $71,695*

With the fourth-generation Cadillac Escalade set to go on sale in April, Cadillac has released the pricing data for its fullsize luxury SUV. While there's no retail configurator yet, the data posted on AOL Autos - and confirmed by Cadillac - shows that the 2015 Escalade will have a starting price of $71,695 (*not including $995 for destination).
This new starting price is about $8,000 more than the outgoing model, but Cadillac is quick to point out that the latest 'Slade is packed with more standard equipment in the new base Standard trim that actually puts it more on par with the midlevel Premium trim on the 2014 model (currently priced at $73,245). These new standard features include Magnetic Ride Control, LED headlights and taillights and 20-inch wheels.
Stepping up to the 2015 Escalade Luxury, the price increases to $75,695 and includes added equipment like 22-inch wheels, head-up display, power fold-and-tumble second-row seats and safety systems such as forward collision warning and lane departure warning. The top-rung 2015 Escalade Premium will start at $80,195 adding features such as a rear-seat entertainment system, illuminated exterior door handles and the Driver Assist Package consisting of front and rear automatic braking and adaptive cruise control.