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Infiniti Q50 steer-by-wire system took 10 years to develop [w/video]

Infiniti's Direct Adaptive Steering (DAS) is quite a novelty - the system employs no physical connection between the steering wheel and the front wheels under normal circumstances and instead relies on a computer, clutch and steering-angle actuator to guide vehicles down the road with input from the driver.
In our First Drive review of a 2014 Infiniti Q50 equipped with the system, we weren't overly impressed by the artificial feedback. But we can't help but be impressed with how long Infiniti spent on its development: a full 10 years, according to Autoline Daily in the video report below. A staggering 70 percent of the research and development time spent on DAS was devoted to getting the steering feel right, and unfortunately, our first impression suggests their results still leave something to be desired, as we found it lacked the sporty feeling a sport sedan should have.
The weight of DAS is comparable to that of a conventional steering system due to its complexity. For example, three ECUs are used in the first-generation DAS system to ensure there's never a loss of steering, but Infiniti is refining the technology and is working to simplify it to reduce weight. One day Infiniti hopes that only one ECU will be needed to control DAS. We just hope it doesn't take the Japanese automaker another ten years to get the steering feel right.

Infiniti Q70 won't live to see 2020

The Infiniti Q70 won’t be returning for the 2020 model year, effectively killing InfinitiÂ’s large luxury sedan. This news comes to us via a report from Motor Authority, citing “the automaker” and Infiniti spokesperson Kyle Bazemore. WeÂ’ve reached out to Infiniti to confirm the news, but it doesnÂ’t strike us as a surprising move whatsoever. Update: Infiniti confirmed the Q70 won't be sold in the U.S. or Canada for the 2020 model year. Back in July of this year, Nissan made it clear that we should expect 10 percent of its models to be cut from its global product lineup. We speculated then that the Q70 and Q70L would be part of these cuts, as itÂ’s the manufacturerÂ’s worst-selling model. To no oneÂ’s surprise, that eventuality came true. Infiniti moved 4,479 Q70s and Q70Ls in 2018, making it a super low-volume vehicle in a tough segment. Back in the mid-2000s, Infiniti topped 20,000 sales of its largest luxury sedan (not named the Q70 at the time). Cars like the Mercedes E-Class, BMW 5 Series and Audi A6 are all more enticing buys next to the aged Q70 — a slightly cheaper base price was the last stand for this vehicle, but it looks like a good deal wasnÂ’t enough to save it from our crossover apocalypse. Infiniti SUV sales are up, as the QX80 continues to gain more ground in 2019. More folks are opting for the raised and rugged options than smooth and comfortable sedans across the industry, which is why we continue to see news like this. Unfortunately, the Q70 isnÂ’t riding off into the sunset in any sort of glory. We can trace the Q70Â’s lineage back through a few name changes (Q45 into a series of M cars like the M45 and M56). Its oldest ancestor would be the Infiniti Q45, which was a revolutionary car back in the early 1990s. It featured an active hydraulic suspension system that aimed to provide a supremely comfortable ride and flat cornering at the same time. When equipped with the suspension system, hydraulic actuators on each wheel were able to counter the forces exerted on it from cornering, braking and acceleration. And remember, this was 1991!  Transitioning back to today, Nissan and Infiniti have made it clear that EVs will be the future. We know that weÂ’d love to see another industry-changing flagship sedan from Infiniti, and a fully electric vehicle might just be the way to go about it. Anybody wanting for a production version of the Q Inspiration Concept?

2015 Infiniti Q70L

A quick look at a scatter plot that charts rear legroom against luxury sedan MSRPs reveals a dearth of spacious bargains - few, if any, luxury sedans offer exceptionally spacious rear accommodations at a relatively low starting price. To fill the vacuum, Infiniti has made its Q70 available in a Q70L variant - in English, long wheelbase - for 2015.
The artist formerly known as the Infiniti M has been available in stretched-out form in the Chinese market for two years, and the US introduction is accompanied by several updates that include slightly reworked styling cues, and refinements to the drivetrain and chassis. The Q70L's wheelbase extends 5.9 inches (with a commensurate expansion of knee room), while overall length increases to 202 inches, a 7.3-inch bump. Powertrain options include a 3.7-liter V6 which produces 330 horsepower and 270 pound-feet of torque (starting at $51,350), or a 5.6-liter V8 that yields 420 hp and 417 lb-ft (and climbs to $64,550). The long-wheelbase treatment adds $1,500 to Q70 MSRPs. Not surprisingly, the Hybrid version is not available with the L treatment.
Up to three Q70L rear passengers are treated to reading lamps, a 12-volt power outlet, rear door close assist, and available heated seats. Unlike its Far Eastern counterpart (and competitors like the $61,500 Hyundai Equus), the US-spec Q70L's rear seats don't recline. Bummer.