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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:

2013 Cadillac XTS [w/video]

The Cadillac Of Stopgaps
As confusing as most alphanumeric car names have gotten in recent years, at least one constant has been that the letter "X" is generally indicative of a crossover. Then why did General Motors use this letter on its new 2013 Cadillac XTS luxury sedan? Well, for that, we'll have to look to the world of mathematics where "X" stands for an unknown variable or a placeholder. Now we're talking. The XTS is just an interim product sitting at the top of Cadillac's four-door food chain until the brand gets a true flagship in place. That sounds like a lot of resources to spend on what will likely be a one-and-done model, but the automaker needed to get something - anything - to replace the DTS.
So here you have the 2013 XTS. A big luxury sedan that was created to bridge the gap between Cadillac's recent past and its pending future. Going into our week with this XTS knowing that it was a stopgap measure proved to be both a blessing and a curse. On one hand, we know (or hope) that this car will act as a baseline for future high-end Cadillac models, but at the same time, we couldn't help but be mindful of past stopgap models, albeit in more entry-level segments, like the Cimarron and Catera.

Expensive Cadillac ELR at least comes with free Level 2 home charger

"But wait, there's more!" Anyone who's watched late-night television is familiar with the telltale phrase of a spokesman looking to reel in a potential customer who may otherwise be disinterested in what's being advertised. Now, General Motors, faced with selling the first Cadillac extended-range plug-in vehicle to a public that may find it rather expensive, is throwing in a bonus. In this case, GM will give away a 240-volt home fast charger to "early" buyers of the Cadillac ELR, including professional installation. How early? Well, we're not finding that information in the press release below, so it may be a moving target. Earlier this month, GM said it would offer the ELR for a 39-month lease for $699 a month for qualified lessees. The deal requires $5,999 down and GM originally said it would only be good until the end of the month (though we assume that could change). It's also an "ultra-low-mileage" lease that allows for only 10,000 miles of driving each year, before per-mile surcharges of 25 cents kick in. Last fall, GM set the base price for the ELR at $75,000, before government incentives get factored in. Like its Chevy Volt sibling, the ELR can go about 340 miles using both the electricity in the battery and the gas-powered on-board generator. Check out our ELR First Drive here. Cadillac Enhances ELR Buying Experience Early adopters to receive complimentary home charger and installation DETROIT – Cadillac is offering a complimentary 240-volt home charging station and installation to early buyers of the all-new 2014 ELR electrified luxury coupe. "The ELR's blend of leading technology with provocative design and fun-to-drive performance is set to bring new buyers to Cadillac and to electrification itself," said Uwe Ellinghaus, chief marketing officer, Global Cadillac. "Professional installation of the fastest home-charging unit is a natural way to mark the introduction of ELR to the luxury market." Cadillac is offering the ELR on an ultra-low-mileage, 39-month lease for qualified lessees at $699 per month with $5,999 due at signing after all offers. The Cadillac ELR offers a convergence of luxury, electrification and sporty driving in a premium coupe with dynamic design and an award-winning range-extended electric powertrain capable of 340 miles of total range.