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GM extending warranties on Cadillac CTS-V and Chevy Camaro ZL1 for supercharger issue

Okay General Motors, we've sat by and watched you recall the compact cars, crossovers and pickup trucks, and aside from reporting on it, we've been fairly quiet. This, though, this will not do. We can almost tolerate the recalls on the bread-and-butter cars, but leave the performance vehicles alone.
According to a report from The Car Connection, GM has discovered a problem with the superchargers of the 6.2-liter V8s found in the Chevrolet Camaro ZL1 and the Cadillac CTS-V. Apparently, the issue rests around the internal bearing shaft grease, which can become contaminated (we aren't sure with what). If left unchecked, it'll first lead to a rattle at idle, which goes away under slight throttle. The real warning stage is when a high-pitched squeal develops, signaling that the bearing shaft has failed. Naturally, severe engine damage is the next step (although it's possible that the engine will also just refuse to turnover, although neither case is desirable).
According to TCC, GM will replace the superchargers on vehicles that have exhibited symptoms of bearing shaft failure free of charge. It will also, allegedly, be extending the warranty on all supercharged ZL1s and CTS-Vs to 10 years or 120,000 miles (whichever comes first), from the date of purchase. Officially, only 2009 to 2013 CTS-Vs and 2012 to 2013 ZL1s are suffering from this issue.

2020 Cadillac CT4 spied completely undisguised for the first time

A few weeks ago, Cadillac gave us our first look at its new small luxury sports sedan in the form of the CT4-V. This was a bit unusual considering the company hadn't shown us the regular one yet, and the reveal is still off in the not-too-distant future. But we were lucky enough to catch a normal 2020 Cadillac CT4 parked at a local gas station completely and totally undisguised. Based on what we know about other recent Cadillacs and their trim and design, this CT4 is probably a Luxury or Premium Luxury trim, since it has plenty of bright chrome and red taillights instead of dark gray ones. The differences from the CT4-V are subtle. The mesh grilles of the V are swapped for a main grille studded with small Cadillac badge shapes and the lower grille has simple slats. The little air intakes by the lower sections of the running lights are smaller than the ones on the V. This car also lacks the V's side skirts and wider canards on the edges of the front bumper. There doesn't appear to be a rear spoiler either. While we've had a good look at the exterior of the CT4, we'll have to wait until the car's full reveal later this year to know what's under the skin. We do know that it will continue to use the Alpha platform shared with the CT5, Camaro and the old ATS and CTS. We suspect the base engine will be the same 2.0-liter turbocharged inline-4 from the CT5, which makes 237 horsepower and 258 pound-feet of torque. Since the CT4-V uses a turbo 4-cylinder that makes 320 horsepower and 369 horsepower, there might not be a V6 option for the regular CT4. The CT5's twin-turbo 3.0-liter V6 makes more power and torque, so that's out, and the old ATS's naturally aspirated V6 made 335 horsepower and 285 pound-feet of torque, which would be uncomfortably close the CT4-V's specs. But we could see a V6 of some sort in an even more potent V iteration of the CT4 later.

2021 Cadillac Escalade vs. 2020 Lincoln Navigator | How they compare on paper

The 2021 Cadillac Escalade arrived late last night, and we all know what that means: It’s comparison time. Specifically, weÂ’re pitting the new Escalade versus the 2020 Lincoln Navigator. The sales gap between the long-time competitors has grown dangerously close for Cadillac ever since the revolutionary new Navigator came out for the 2018 model year. In 2019, the Navigator was only about 4,000 units down from the Escalade. Cadillac intends to widen that gap back up with a new truck, and now itÂ’s time to see if itÂ’s brought the right goods to the party. With the redesigned model that now features an independent rear suspension, these two are more alike than theyÂ’ve been in a long time. The Escalade was stuck with the less space-efficient solid rear end up until now, as GM hadnÂ’t yet made the switch to IRS that Ford long-ago did. Now that it has, these two are super similar from a dimensions perspective. Cadillac was playing catch-up in this fight, so it knew exactly where it needed to aim to come out victorious in a specs battle such as this one. A quick note on the chart below. Both of these models have a “regular” and “long” version. The EscaladeÂ’s long variant is still named ESV, and the NavigatorÂ’s long version is simply named L. In the dimensions section, we distinguish between the two with a “/” — the “regular” length version is on the left, and the “long” version is on the right side of the slash. The numbers are below: Powertrain The Lincoln Navigator still reigns supreme when it comes to power, as the 3.5-liter twin-turbo V6 is high on both horsepower and torque. GMÂ’s small-block V8 comes close, but ultimately falls short by 30 horsepower and 50 pound-feet of torque to the twin-turbo V6. Cadillac does have an ace up its sleeve, though. It comes in the form of the 3.0-liter turbo-diesel inline-six engine. Lincoln hasnÂ’t dropped the PowerStroke diesel into the Navigator (and we'd be shocked if it does), so Cadillac has a unique offering in this segment now. The diesel will be optional on the Escalade, but it has less horsepower and the same amount of torque as the V8. We expect the big advantage for the diesel will come in fuel economy, an area where the Silverado Duramax diesel currently outpaces the full-size truck competition. Both of these big SUVs come standard with 10-speed automatic transmissions. Intriguingly, itÂ’s the 10-speed automatic that was co-developed between Ford and GM.