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Cadillac CT6 PHEV battery shape a big departure for GM's plug-in hybrid tech

Anyone with any familiarity with the electric powertrain details for the two General Motors plug-in hybrids will have noticed that the information we have about the newly announced Cadillac CT6 plug-in hybrid has a lot of numbers in common with the Chevy Volt and the Cadillac ELR, like the 18.4-kWh lithium-ion battery pack and an expected all-electric range of 37 miles. We also noticed that the announcement calls the plug-in CT6 hybrid an actual plug-in hybrid and not an "extended range electric vehicle (EREV)," which is what GM calls the Volt and the ELR. This, of course, means we needed to ask GM some questions. Donny Nordlicht from Cadillac communications told AutoblogGreen that while the Volt and CT6 batteries are both 18.4-kWh, the shape is completely different. In the Volt/ELR, the battery is T-shaped (see it here). The CT6 has four seats, with a tunnel running between the two in the rear, as you can see here, but the battery in the CT6 PHEV is "a cube-shaped pack, which is between rear seats and the trunk," Nordlicht said. "There is no pass through." GM has not yet released any technical schematics about this pack, but Nordlicht said that, "The CT6's advanced mixed-material platform was designed to accommodate the PHEV system by design so that it minimally intrudes on the cabin space." It also means that the CT6 can be ordered as an optional PHEV, while the Volt and ELR were purpose-built plug-ins. GM is also distinguishing between the EREV and PHEV powertrains in its vehicles from this point forward. "We are not discarding the EREV language," Nordlicht said. "The CT6 utilizes a two-motor system mated to a 2.0T 4-cylinder engine, which is an all-new system to Cadillac." We assume that the PHEV packs will use li-ion cells from LG Chem, just like the EREVs do, but Nordlicht did not answer our question on that point. As for other details about the CT6 PHEV – like production, full dimension, and pricing – we will just have to wait until closer to when the vehicle launches for those. Related Video:

Junkyard Gem: 1979 Cadillac Eldorado Biarritz

The Cadillac Eldorado lost a foot of wheelbase and 1,200 pounds when GM's luxury front-drive platform got downsized for 1979, which turned out to be prescient timing considering the massive spike in oil prices in the wake of the 1979 Iranian Revolution. The General kept the pricey Biarritz option package from the previous generation, adding a stainless-steel roof in the process. Here's one of those cars, found in a chilly Denver boneyard last month. The stainless-steel roof panel, inspired by the one used on the 1957 Eldorado Brougham, identifies a 1979-1985 Eldorado as a genuine Biarritz. This generation of Eldorado Biarritz achieved its greatest renown as the car bomb that detonates when pink-suited Ace Rothstein (Robert De Niro) cranks the starter in the 1995 film Casino. Naturally, a 24 Hours of Lemons team obtained one of these cars and raced it while the pit crew wore pastel suits and sipped from Tangiers Casino highball glasses. The MSRP on the base '79 Eldorado was $14,240 and the Biarritz package with leather seats tacked on an additional $2,600. That's $64,495 in 2021 dollars, at a time when plenty of car loans had interest rates approaching 20%. The '79 Seville's base price was higher ($15,646), despite being based on the lowly Chevy Nova, but that difference was erased by the cost of the Biarritz package. The Fleetwood limos were the only pricier Cadillacs that year. Yes, you had to be a true high-roller to purchase a '79 Biarritz. Of course, a new Mercedes-Benz 450SLC cost a terrifying $32,858 (about $125,850 today) that year, but the $13,067 Lincoln Mark V (the price went up substantially if you got one of the editions designed by Bill Blass, Givenchy, or Emilio Pucci) was close competition for the Biarritz. The 1979 Eldorado had something the Lincoln didn't, however: electronic fuel injection. Yes, a 350-cubic-inch (5.7-liter) Oldsmobile V8 engine with a pretty-modern-for-1979 throttle-body fuel-injection system sent 170 horses to the front wheels via GM's impressive Unitized Power Package longitudinal-engine front-wheel-drive system. Look at all those futuristic devices in that faux-wood dash! That stereo cassette deck added $225 ($860 today) to the price. Cruise control cost $137, the rear defogger added $101, and… well, you get the idea. This Cad is a bit tattered and has some rust spots here and there, but wouldn't have been an overwhelmingly difficult restoration.

Cadillac to expand V-Series but discontinue CTS-V and ATS-V

Cadillac said Tuesday it will expand its V-Series performance sub-brand with the arrival of the CT6-V sedan in 2019 ( formerly known as the CT6 V-Sport), with plans to add high-performance variants across its portfolio. The flipside to that expansion is the sunsetting of its two existing V-Series performance cars, the ATS-V (both coupe and convertible) and CTS-V sedan. Two new unspecified sedans will slot below the CT6 in Cadillac's lineup, a spokesman said. The CT6-V will arrive next spring, roughly a year after it bowed at the New York auto show. It will feature Cadillac's new "Blackwing" V8, a twin-turbo engine that displaces 4.2 liters and produces an estimated 550 horsepower and 627 pound-feet of torque, sending it through GM's new 10-speed automatic transmission to drive all four wheels. A less-aggressive version of the engine will also appear in the CT6 Platinum model, offering 500 horsepower and 553 lb-ft of torque. "Beginning with the debut of the CTS-V Sedan in 2004, the V-Series sub-brand sparked new life into Cadillac," Mark Reuss, executive vice president and president of GM Global Automotive Group and Cadillac, said in a statement. "As a result of the overwhelming response the CT6 V-Sport received when revealed in early 2018, we've decided to formally make it a V-Series, signaling the expansion of V-Series." View 61 Photos A Cadillac spokesman tells Autoblog the 2019 model year will be the last for the ATS-V and CTS-V. The ATS-V is powered by a twin-turbo 3.6-liter V6 that's good for 464 hp and 445 lb-ft of torque, an increase of 262 hp and 173 lb-ft from the base, four-cylinder ATS, which is also set to go to pasture at the end of the 2018 model year. The CTS-V, meanwhile, boasts a 6.2-liter supercharged V8 under its carbon-fiber hood that puts out 640 horsepower and 630 pound-feet of torque, good for a 3.7-second 0-60 mph time and a top speed of 200 mph. In a Quick Spin review last year, Autoblog Editor-in-Chief Greg Migliore called the car "old-school muscle in an Esquire-approved suit. It's 'roids and cufflinks." As for what's next for an expanded V-Series, Cadillac has the new XT4 crossover, and already other companies are banking on performance versions of crossovers. Cadillac's also developing a less expensive luxury sports sedan called the CT5. It's also said to be planning a production version of the Escala concept starting in late 2021, so those could be possibilities.