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2021 Infiniti Q50 Red Sport 400 Road Test | Z engine preview

There isn’t much reason to take another look at the 2021 Infiniti Q50 Red Sport 400 on the surface. ItÂ’s largely the same sedan as it was when we drove it in 2016: powerful and stylish, but lacking in tech and polish. However, whatÂ’s under the hood is of far more interest to us today than it was just a year ago. ThatÂ’s because the 3.0-liter twin-turbo V6 powering this Infiniti is migrating over to the next Nissan Z car. Nissan announced that the production Z would get a 3.0-liter twin-turbo V6 not long after it revealed the Z Proto. There are no other twin-turbo V6s in NissanÂ’s arsenal but this one, meaning that the VR30DDTT engine in this Infiniti is destined for the Z — plus, there's photo confirmation. The big question remaining is: How new or different will it be? Its most potent state of tune is rated at 400 horsepower and 350 pound-feet of torque. ThatÂ’s a high number versus most other boosted six-cylinders, and perhaps most importantly, itÂ’s more potent than the 382-horsepower 2021 Toyota GR Supra 3.0. As weÂ’ll soon explain, though, numbers only tell part of the story. Transplanting the InfinitiÂ’s V6 into the next Z surely wonÂ’t be without challenges, either. Nissan is promising a six-speed manual in the Z. Meanwhile, this engine is exclusively paired with a traditional seven-speed automatic transmission in the Q50 and Q60. Nissan hitched this engine up with a manual in a 370Z SEMA show car years ago, but now it must devise a production car solution. ThereÂ’s also the question of whether Nissan will use the same seven-speed as the automatic option in the Z, or come up with something a bit more aggressive. The cost-efficient (and likely) solution would be reusing the seven-speed, not unlike the Supra's eight-speed traditional automatic.  Having all of this in mind, we set out to see how this engine sits today as a preview to the Z.  Going from the big, naturally aspirated VQ series V6 to a smaller twin-turbo V6 will bring about the obvious changes. The rabid and uncouth personality of the outgoing VQ is nowhere to be found in the sweet and smooth new engine. ItÂ’s not quite the silky, effortless BMW inline-six found in the Supra, but it brings an air of refinement and maturity that's simply not there in the current Z. And then thereÂ’s the torque. All 350 pounds of twist are available at 1,600 rpm in the Q50 Red Sport 400, which means the shove in the back would theoretically start just off idle.

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.

Red Bull to run TAG Heuer-branded engines next season

After a drawn-out and very public effort to switch to a different engine supplier, Red Bull Racing will once again be running under Renault power next season. Only it won't be labeled as a Renault. Instead, it will be branded by TAG Heuer. Now if you're thinking that TAG Heuer was in the McLaren camp, you were right up until today's announcement. One of McLaren's oldest partners, the watchmaker jumped ship to join up with Red Bull instead, ostensibly replacing Casio as the team's official timekeeper. Now here's where it gets a little tricky: Mansour Ojjeh and his Techniques d'Avant Garde holding company remain a major stakeholder in McLaren. The firm owned Tag Heuer from 1985 to 1999; now its former watch brand is leaving for Red Bull. This isn't the first time that the TAG name has transferred from one F1 team to another, nor is it the first time we'll see its name replace that of a major automaker on an F1 engine. Techniques d'Avant Garde previously partnered with Williams before Ron Dennis took over in Woking and convinced Ojjeh to come on board. That partnership saw TAG work with Porsche on a successful F1 engine program that won three drivers' championships (with Niki Lauda and Alain Prost), two constructors' titles, and 25 grands prix. While unusual, the deal is hardly unprecedented. Aside from the McLaren-TAG-Porsche arrangement, Sauber once ran Ferrari engines under the brand of its sponsor Petronas (which has long since switched to Mercedes). For another example, the 1998 world championship saw Benetton running Renault engines under the Playlife name, while Williams rebranded its version as Mecachrome, as the French automaker shifted its priorities in F1 much as it is right now. The announcement still leaves a few questions unanswered, however. For one, will Red Bull continue running TAG Heuer-branded engines made by Renault (or another supplier) after 2016? And what does this spell for Infiniti, Renault's sister-brand that has sponsored the team for the past several years? Infiniti declined to comment, but we're told there'll be some sort of announcement early next week. Red Bull Racing to drive forward with TAG Heuer power unit in 2016 From the milliseconds that separate victory from defeat to the finely balanced and perfectly measured rhythm of a racing engine, in motorsport timing is everything.