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Hardcore Lexus RC F spied along with facelifted model

The Lexus LC F isn't the only high-performance Lexus spied testing. Another of our spy photographers caught a hardcore version of the RC F sports coupe out testing with its more mild-mannered sibling, the latter of which was trying to hide its mild facelift. Of the two cars, the RC F is the more interesting for a couple of reasons, and not just because it will be the faster of the two. First of all, it looks like this RC F will be significantly lighter than the current model. The weight savings will likely come mainly from new carbon fiber panels that include the bare carbon hood and roof panel. It's possible Lexus will have found some other areas to save weight, but these parts are all we can see at the moment. The other reason this RC F is grabbing our attention is the impossible-to-miss rear wing. Its tall supports, large size and bold end plates signal that this is more of a track car than just a fast road car. Whether it delivers track-car levels of downforce has yet to be seen. The fixed wing is also likely lighter than the power-retractable one on the regular RC F. Another performance upgrade we can see are the giant cross-drilled brakes. One of the big mysteries of this car is of course whether Lexus will have upgraded the powertrain to match the other upgrades. We're not getting our hopes up. Lexus only has two versions of the 5.0-liter V8 (that we know of): the RC F version that makes 467 horsepower, and the LC 500 version that makes 471 horsepower. We could see Lexus using the slightly hotter LC version, but likely nothing new. Part of what leads us to think that is the RC F GT Concept Lexus built for Pikes Peak a few years ago. That car got loads of light parts, a roll cage and a wide body kit, but it had just the same 467-horsepower V8 as any other RC F. View 15 Photos As for the other RC on display in these spy shots, it gives us a solid look at the coupe's upcoming midcycle refresh. Interestingly, it appears Lexus has abandoned the split lights that had the Nike "Swoosh" style running lights. Now everything is integrated into single units. The outboard grilles now have more prominent strakes in them, and there's now a small grille or air inlet at the base of the main grille. Around at the back, there are almost no changes that we can see through the camouflage. Only a possible extension of the diffuser between the rear reflectors is all that shows through.

2014 Lexus GS gets eight-speed auto, other enhancements

The Lexus GS was totally redesigned for the 2013 model year, but Lexus is already tweaking its midsize luxury sedan. While a handful of small changes are being made, the big news for the 2014 model year is that rear-wheel-drive GS350 models will be getting a new eight-speed automatic transmission for improved fuel economy and performance.
Official EPA estimates have yet to be released, but Lexus expects this new transmission to return 19 miles per gallon in the city and 29 mpg on the highway - an improvement of 1 mpg highway. The GS450h still uses a continuously variable transmission, but Lexus says that it has been optimized to mimic the shift points of an eight-speed automatic. The final powertrain change made to the 2014 Lexus GS include tweaks to the GS350's engine intake and exhaust systems, which should help give the sedan a sportier feel.
Inside, Lexus has added Siri Eyes Free inside both the GS350 and GS450h, which allows drivers to use their iPhone's Siri voice assistant simply by pushing a button on the steering wheel. Other changes include a new full-color head-up display, and an available power trunk opener. A new Luxury Package adds LED fog lights, 18-inch "superchrome" wheels on the GS350 and 18-inch graphite-finish wheels on the GS450h. Interesting, the optional Lexus Night View system has been dropped.

Are Toyota and Lexus planning to use Mazda's straight-six and new platform?

Japan's Best Car magazine has what appears to be a whopper of a rumor. The mag said it scooped Mazda's development of a straight-six engine that Mazda only revealed in March, the carmaker having buried the information in a financial statement. By way of Lexus Enthusiast and according to Google translate, Best Car writes that as it was speaking to a Toyota source on an unrelated matter, the magazine found out that Mazda's work on the straight-six was predicated on the engine's use in Toyota Group vehicles, which includes Lexus. Here's the account of how the engine and Mazda's coming front-engined rear-drive platform, dubbed "Large Architecture," will make their way to Toyota City: The first appearance for the straight-six, predicted to come in at a hair under 3.0 liters, is the Mazda Atenza/Mazda6 successor coming around 2022. The powertrain will get a 48-volt hybrid system for increased fuel economy, and the automaker's said to be considering a plug-in hybrid version. Toyota's first shot at the platform and the straight-six will be whatever fills the slot of the Japanese-market Mark-X sedan. We once had a version of the Mark-X in the U.S. as the Toyota Cressida. In Japan, it's sold as a rear- and all-wheel drive option to the Camry. The Mark-X is slated to end production in December this year — a "sporty four-door coupe" on Mazda's platform and with Mazda's engine eventually taking its place. Lexus has a number of plans for the components from Hiroshima. The next Lexus IS is said to evolve from the current sedan, using a Lexus V6 but migrating to Toyota's TNGA platform. Best Car says the IS after that, perhaps sometime around 2026, will hop onto Mazda's new platform and use the inline-six engine. Before that, the replacement for the Lexus RC in 2022 will sit on the Mazda platform and get that inline-six. What's more, Lexus will introduce a new model to slot between the $64,750 RC and the $92,950 LC employing Mazda's architecture and engine. Best Car says the model will act as a "next car" for RC owners, but we can't tell if the magazine means a two-door or a four-door coupe; the article also says the Lexus model will compete with the Audi A7. Toyota and Mazda partnered up in 2016 on technology sharing. Best Car's take is that, as was done on the Supra, Toyota is picking up all the tech it can from suitable sources so that it can continue to sell models that don't make sense to develop alone.