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How Cadillac improved power output in 2016 ELR by 25 percent

Earlier this year, Cadillac announced that the 2016 ELR would come with a big price drop and a powertrain that packs 25 percent more power output. That's a lot more oomph, but it didn't sound like the Caddy engineers made any major changes to the engine or motors. So, what happened? Let's refresh our memories with the numeric details. The 2016 car is 1.5 seconds quicker to 60 miles per hour than the 2014 model (there was no 2015), down to 6.4 seconds. The 2014 put out 295 pound-feet of torque. For 2016, it will be 373 lb-ft. The specific breakdown of the various components in the powertrain has not been disclosed, but from what we can tell, the two electric motors and the 1.4-liter inline-four engine in the new ELR are not that much different than those in the old one. Sam Abuelsamid, senior research analyst at Navigant Research (and former writer here at Autoblog) said that any of the unspecified upgrades would be difficult to tell on a part-by-part basis, but the overall effect will be noticeable. "The changes to the ELR as I understand them are analogous to getting more performance out of a 1965 Mustang with the entry version of the 289 cubic-inch V8. You can replace the carburetor with a larger version that enables more air and fuel to flow into the engine, thus producing more power. The basic engine hasn't changed, but power capability is being unleashed by feeding it more." "Cadillac has changed components in the power electronics to enable more current flow into the motor and thus produce more torque. When you do this in the Mustang, you probably need to replace the rear axle gears and use a beefier clutch to transmit the power to the wheels. Similarly, the ELR probably has some upgraded clutches, bearings, and gears to withstand the increased total output." Cadillac spokesperson David Caldwell told AutoblogGreen in an email that the new ELR does indeed have more than just new lines of code. "One could not 'reflash' a previous ELR to get the performance of a 2016," Caldwell said. "If one only changed software you would not get the performance upgrade fully, as the 2016 creates higher current, more power. So these have been upgraded physically – hardware.

GM considering new powertrain options for large SUVs

Aside from the new General Motors offerings, there's not a whole lot of action going on in the fullsize SUV segment. That doesn't seem to be stopping GM from pushing the envelope in the market as Automotive News is reporting that the automaker is looking to introduce some new powertrain options into the Chevy Tahoe (and Suburban), GMC Yukon (and Yukon XL) and the Cadillac Escalade - all have been redesigned for the 2015 model year.
Now, we already know that GM and Ford are collaborating on nine- and ten-speed transmissions for a broad range of applications (including the big SUVs), but this new report says that GM is also considering other options as a way to one-up the competition and, of course, to optimize fuel economy. AN quotes Jeff Luke, executive chief engineer for GM trucks, as saying that "interesting powertrain technologies" are coming including a return of a hybrid SUV and possibly even a diesel engine. Although it sounds like the latter could come down to how customers respond to the 2014 Jeep Grand Cherokee EcoDiesel.

2016 Cadillac ATS-V blasts into LA

The first details about the 2016 Cadillac ATS-V recently hit the web ahead of the official debut at the 2014 Los Angeles Auto Show. Now, the latest model to wear Caddy's high-performance V moniker is officially official, and the specs are even better than initial rumors suggested.
The latest figures actually give the ATS-V a hair more power than first believed, with 455 horsepower and 445 pound-feet of torque pumping out of the twin-turbocharged 3.6-liter V6. With a standard electronic limited-slip differential keeping rear wheels in check, Cadillac claims that the model sprints to 60 miles per hour in 3.9 seconds and on to a top speed of 185 mph. Buyers have two transmission choices that both offer launch control: a six-speed manual featuring Active Rev Match and no-lift shifting, or an eight-speed automatic.
Thoroughly revised suspension and braking systems should also mean that the ATS-V excels at more than just going in a straight line. The chassis itself receives extra bracing to boost overall stiffness by 25 percent over lesser ATS models. On top of that, a host of suspension upgrades front and rear, including third-generation Magnetic Ride Control dampers, mean quicker steering response and a tighter ride. Plus, Brembo six-piston calipers up front and four-pistons in the rear should bring rapid deceleration. To tune it all to the driver's whim, the Performance Traction Management system gives five settings to choose from for stability and traction control.