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2014 Lexus IS350 F-Sport

Is A New Kind Of Lexus Hiding Under That Radical Skin?
When the now-outgoing Lexus IS generation was launched back in 2006, the company would not have been wise to bring the compact luxury sedan to be driven by journalists to a track like Driveway Austin Motorsports. Taking along a BMW 335i for comparison loops would have proved an ill choice as well.
Our own Jonathon Ramsey found the current-generation Lexus IS250 to be fairly nimble over a tightly wound autocross course, when he drove it back-to-back with the prototype version of this 2014 IS a few months ago. Our track for testing the fully realized version of the IS350 F-Sport meanwhile - again with the 2013 version along for competitive driving - was on a circuit designed to string together recreations of some of the best tracks in the world. Laguna Seca, bits of the Nürburgring and sections inspired by Imola and Ferrari's Fiorano test track all make for a far more enticing road course than you'd expect to find plunked down in a nondescript area a few miles east of downtown Austin. Critically, this environment highlighted what strides Lexus has made in the sport sedan race with its new IS.

Why is there a huge bulge in 2021 Lexus IS 300 AWD's driver footwell? We explain

After an initial turn a few weeks ago for the 2021 Lexus IS first drive review, the revised luxury sedan has returned to the Autoblog garage for a second look. This middle-of-the-road IS 300 AWD pairs a 260-horsepower V6 with a six-speed automatic transmission and four driven wheels, and frankly it's the least interesting way to spec out the redesigned sedan. While there are cars in this segment designed to get a performance boost from their all-wheel-drive systems even in dry conditions, the IS isn't one of them. Adding insult to injury, you get stuck with a cramped driver-side footwell care of the engineering shenanigans that went into making this system possible.  While we've mentioned this particular compromise before, we rarely touch on the reasons why it exists in the first place. The fundamentals are fairly obvious; the standard IS utilizes a longitudinal, rear-wheel-drive powertrain. As is typical with this configuration, the transmission sits in a tunnel beneath the center console. This arrangement works just fine, provided you don't need to power the front wheels.  To do so in a traditional car like the IS requires a literal end-around maneuver involving the engine and transmission, which we've diagrammed for you below care of MSPaint. This is a bit simplified for the sake of this write-up, and it should be noted that this is not the only way to implement AWD in an inherently RWD platform, but it illustrates how the power for the front axle (red) and rear axle (blue) flows from the transmission to the drive wheels. To get juice flowing to the front axle, Lexus had to add a parallel output shaft, exiting the transmission from the front with enough clearance for the bell housing and engine, which sits between the transmission and the front differential. This requires quite a bit of lateral reach, meaning the housing has to extend much farther out than usual to accommodate it (yellow arrow). As a result, the all-wheel-drive transmission looks a lot like a sci-fi gun with a chunky drum magazine hanging off the side of it. The hump (above right) in the footwell is there to clear this protrusion. This basic configuration isn't unique to Lexus. In fact, if you look at a BMW xDrive cutaway, it's similar. So, why no "hump" in other cars? There are multiple factors, but to boil it down to what is most relevant, it's a combination of the resulting shape of the Lexus transmission housing and the size of the IS chassis.

Lexus reportedly debuting a trio high-performance, V8-powered F models

The V8 engine may not be long for this world, but before it disappears forever Lexus may give it a proper sendoff with a trio of eight-cylinder F cars. If reports out of Japan are true, Lexus is working on high-performance F variants of the IS and LS sedans, as well as the LC flagship coupe. The story comes form Japan's Best Car magazine, which claims the Lexus IS F will soon be making a return. Based on the updated 2021 Lexus IS, it will run an up-tuned engine that puts out 474 horsepower and 395 pound-feet of torque. That's a 58-horse and 24-lb-ft increase from the last IS F. To be honest it would be a bit surprising to see an IS F at this point, as the previous, third-generation IS skipped an F version. And since the 2021 IS sedan is based on that same platform, it seems Lexus would have introduced an IS F successor much earlier if one was in the cards. As much as we would love to see the IS F return, we won't hold our breaths for this one. Still, an IS F would be nothing, shock-wise, compared to what comes next. Best Car says Lexus will introduce an LS F to go up against the Mercedes-AMG S 63 and BMW M760Li. Power would come from a new 4.0-liter twin-turbo V8 making 661 hp and 480 lb-ft of torque. If true, this would drastically counter the LS's mission of smooth luxury that's been its raison d'etre since 1989. Out of the three, the car that makes the most sense to us is the LC F. It's been rumored for quite a while. We even saw spy shots of the car testing in 2018, but then came chatter that the car was canceled due to the COVID-19 pandemic. According to Best Car, it's back on (or was never canceled) and will share a mill with the LS F. The report also says that all three cars have sport suspensions and chassis improvements that properly harness the power of these engines. Lexus has proven it can build compelling high-performance cars like the IS F and GS F, which were far better than what their sales numbers indicated. Furthermore, the Lexus V8s themselves are machines of engineering beauty, amazing throttle response and glorious sound. Naturally, we'd welcome any of these cars, even as we take the article with a massive grain of salt. Related Video: