2007 Cadillac Xlr Base Convertible 2-door 4.6l on 2040-cars

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Facelifted Cadillac ATS spied completely uncovered

The Cadillac ATS makes for a pretty svelte little coupe, and General Motors appears to know it, because multiple, completely undisguised prototype sedans have been spotted testing wearing what look like many of the forthcoming coupe's body parts.
Not only does it wear at least the outline of the brand's new, broader crest, it has the same front air dam with continuous chrome strip found on the coupe. The only real difference is that it has the somewhat taller side view mirrors from the sedan, rather than the narrower, longer ones from the coupe. Around back, the changes are harder to spot because the test car is outfitted with an unpainted lower bumper. However, it seems to lack the chrome strip that offsets the lower portion of the coupe from the sedan.
The ATS sedan is already a looker, but it is good to see Cadillac is taking a second pass using what it learned on the coupe. There's no word yet on when this revised sedan is going to hit the streets - let alone what changes will take place beneath the skin - but we're thinking it looks about right for 2015.

2016 Cadillac ELR gets more power, $9,000 price drop

Cadillac has announced a series of updates to the ELR for 2016 that promises to make the plug-in hybrid luxury coupe a more desirable proposition. Perhaps chief among them is a price drop of $9,005 compared to the slow-selling 2014 model. The news follows an announcement yesterday that the Chevy Spark would get a $1,500 price drop. Cadillac is quoting a net price for the updated ELR at $58,495, which is obviously substantially less than the $75k it was asking for the previous version. But it's important to note that the new price is listed after US federal tax credits. The 2014 model came in at $67,500 after the full $7,500 tax credit, so math tells us that Cadillac has slashed the price on the 2016 ELR rather dramatically by about nine grand with a new MSRP of $65,995. One big upgrade on the performance front is a 25-percent boost in output from the hybrid powertrain that marries a pair of electric motors to a 1.4-liter inline-four gasoline-burning generator. The increase is said to be enough to drop 1.5 seconds off the 0-60 time, now quoted at 6.4 seconds. It'll travel for up to 39 miles on electric mode alone, but with the generator spooled up will go up to 330 miles before needing to stop. The engine management software has also been updated and the regenerative braking system reconfigured as well, but GM's luxury division didn't stop at the powertrain, fitting the 2016 ELR with a raft of other enhancements. Visually there's a new grille with the marque's latest emblem embedded. The suspension has been stiffened, the steering recalibrated and the brakes optimized for better feel. Cadillac is also throwing in the previously optional Driver Assistance package of active safety systems as standard, with adaptive cruise control available as an option. And the infotainment system comes with OnStar, 4G LTE connectivity and on-board Wi-Fi. There's even a Performance Package available with 20-inch performance tires offering 10-percent better lateral grip, four-piston Brembo brake calipers up front to help reducing stopping distances by 12 percent, recalibrated dampers and steering and a thicker-rimmed steering wheel. Because of the higher rolling resistance tires, however, the Performance Package kills four miles off of the electric driving range.

GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging