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Weekly Recap: Automakers rethink the definition of luxury

Variety is the spice of life, but it's becoming a prerequisite for luxury carmakers in the ultra-competitive US market. The Detroit Auto Show was strong evidence of this reality. It's not enough to offer attractive and well-appointed cars and SUVs anymore. Luxury brands that want to be competitive need to invest in everything from high-powered supercars to clever hybrids. To be relevant, you need to be green and mean – and everything in between. As General Motors product chief Mark Reuss said after the reveal of the 640-horsepower Cadillac CTS-V: "We are not leaving anything on the table." He was speaking for Cadillac, but he might as well have been speaking for the luxury car market. The CTS-V debuted in Detroit about an hour after Lexus surprised showgoers with the reveal of the RC F GT3 race car and then announced ambitious plans to return to competitive racing. That almost overshadowed the fact Lexus had just revealed another potent addition to its growing F line, the 467-hp GS F. View 20 Photos But for luxury brands, it's not just about maximum horsepower for well-heeled enthusiasts or decadent amenities for the Grey Poupon set. Strong competition from all corners has forced automakers to refine and expand their lineups in ways unforeseen even a few years ago. Case in point: Mercedes-Benz finally has an answer to the BMW X6, rolling out the GLE coupe in Detroit. The X6, which blends coupe-like styling cues with some of the functionality of an SUV, debuted in 2008. Back then it was a punchline, but seven years and more than 260,000 sales later, the X6's success has compelled Benz to respond. Mercedes – one of the strongest proponents of diesel technology – also debuted the C350 plug-in hybrid sedan, which promises a range of 20 miles on electricity, though fuel economy figures were not announced. The car pairs Mercedes' well-received 208-hp turbocharged four-cylinder with an electric motor for total output of 275 hp and 443 pound-feet of torque. Meanwhile, Infiniti will add the Q30 hatchback to its lineup by the end of the year, new president Roland Kruger reiterated in Detroit. It's expected to be joined by a crossover variant, and the additions will help strengthen Infiniti in the United States and abroad. "While we're expanding our product line, we're also expanding our market reach," he said. That's something echoed by Jaguar executives, who are preparing to launch the brand's first crossover, the F-Pace, in 2016.

Jaguar Land Rover launches Pivotal subscription service

Two years ago, Jaguar Land Rover launched a subscription service in the UK dubbed Carpe. The program was effectively a 12-month lease with no deposit and no mileage limit, and an all-inclusive monthly payment covering insurance, tax, service, and repairs. For GBP910 ($1,134 U.S.) plus the cost of fuel every month, a subscriber could secure a Jaguar E-Pace at the bottom end, a payment of GBP2,200 ($2,741 U.S.) per month opening the doors to a Range Rover Sport. In between, the Range Rover Evoque cost GBP980, the Jaguar XE GBP1,200, the Range Rover Velar GBP1,255, and Land Rover Discovery GBP1,550. The numbers and customer feedback have encouraged JLR to turn Carpe into Pivotal, with new lease levels, terms, and restrictions. Instead of keeping a vehicle for 12 months, Pivotal subscribers pay GBP550 to join, then swap out every six months. Changing cars early incurs a GBP250 fee, or customers can request to stick with the vehicle they have beyond six months, but JLR reserves the right to switch out cars when necessary. Pivotal keeps tabs to the odometer, too — instead of unlimited driving, the program caps fee-free travel at 1,500 miles per month, 20 pence per mile after that. However, the FAQ section explains that "mileage is accumulative so do not worry if you do not use your full mileage allowance, the first month can be carried on into the next within a given vehicle."  Carpe's six levels have been reduced to four Pivotal tiers. Blue costs GBP750 ($934 U.S.) per month and offers access to the Jaguar F-Pace, Land Rover Discovery Sport, or Range Rover Evoque, clearly a much better deal than GBP910 for an E-Pace (and we like the E-Pace). Indigo runs GBP1,150 ($1,433 U.S.) for the choice of a Jaguar I-Pace, Range Rover Velar, or Land Rover Discovery. Violet, costing GBP1,350 ($1,682 U.S.), comes with just one vehicle for now, the Range Rover Sport. Same goes for Ultraviolet at GBP1,600 ($1,993 U.S.), which gets the Range Rover. The brand already has plans to expand the fleet with the new Defender, and plug-in hybrid versions of the Discovery Sport and Range Rover Evoque The only noted repair item not covered is windshield replacement, which carries a GBP150 deductible. The splashy rework in England comes shortly after Mercedes-Benz shuttered its Collection service here in the U.S. On trial for two years in Nashville, Philadelphia, and Atlanta, Collection couldn't get the traction Mercedes wanted.

Jaguar F-Pace V6 reminds us why we love supercharged engines

There are many things we like about our 2018 Jaguar F-Pace long-term car, as well as some things we don't care for, but easily one of the best things about it is the engine. Under the hood is the 380-horsepower supercharged V6 that Jaguar offers on other models. That amount of power would be fun in just about any car with any engine, but there are specific reasons why this particular engine is special, and it's because of that supercharger. Supercharged engines have a very different character than increasingly common turbo engines. One of the most noticeable differences being engine response. Unlike turbo engines, the F-Pace's V6 feels hardwired to your foot. Every extra millimeter of pedal travel yields a slightly greater amount of tug. And the tug is felt immediately. Even the best turbo engines have a hard time recreating this response. The power band is very linear, as well, so you know exactly what you're getting every time you hit the gas. The engine is wonderfully torquey, too. Because the Jaguar's engine uses a classic Roots-type blower, there's a major improvement in low-end torque. This means that our F-Pace has loads of grunt for punting around at low-rpm and can seriously move when tromping on the gas. And because of the near-instant throttle response and linear power band, it doesn't slam you in the back unexpectedly like some turbo engines do. Despite how great these supercharged engines are to experience, we're concerned that supercharged engines like this may disappear in all but ultra-limited production, high-performance cars such as the Chevy Corvette Z06 and Cadillac CTS-V. The reason being that car companies have to keep making cars more fuel efficient and lower emitting. Putting a supercharger on an engine is adding a handicap, since it takes engine power to spin the belt-driven supercharger. And when a turbo, which uses wasted energy from exhaust gas to spin the compressor and built boost, can effectively do the same thing, it's hard to make a case for a supercharger. We won't give up hope completely, though. Mazda is using superchargers on its spark-assisted compression ignition gasoline engines. And while we're not sure how powerful and sporty those will be, Mazda has said that it's going with superchargers for exactly the reasons we like the Jaguar engine: smooth power and fast throttle response.