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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 EV coming in 2021

Infiniti announced that it will offer new electrified vehicles starting in 2021. Nissan CEO Hiroto Saikawa said that its luxury brand will build its first all-electric car in 2021, as well as new "e-Power" vehicles – series hybrids with batteries charged by gasoline generators. Nissan has introduced e-Power vehicles in other markets, including the Note e-Power and the Serena e-Power minivan. Now it will extend that technology to Infiniti, providing a similar driving experience to an EV with the convenience of a gas-powered vehicle. Infiniti also said that we can expect "beautiful vehicles" like the Q Inspiration Concept that debuted at the 2018 Detroit Auto Show. Infiniti doesn't plan on producing the Q Inspiration, but it will certainly influence future vehicles in terms of both styling and technology. The Q Inspiration uses variable compression technology, which the company intends to use to improve efficiency and performance of its gasoline-powered cars. Infiniti expects half of its global sales to be electric vehicles by 2025 (it's not clear whether the automaker is lumping series hybrids into the electric vehicle category). And while there's no way that Infiniti will release a production version of its all-electric Prototype 9 EV, seen above, we'll hold onto that dream anyway. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

MotorWeek revisits 1990 Infiniti Q45

With the one-two punch of the Lexus LS 400 and Infiniti Q45 in the early '90s, Japanese automakers started taking the fight directly to the established V8-powered German flagships on American roads. Here, we get MotorWeek's take on the latter and probably lesser known of those luxury sedans. While not so impressive today, the Q45's 4.5-liter V8 with 278 horsepower and 292 pound-feet of torque was pretty good by the contemporary standards. The big sedan was also offered with an optional all-wheel steering system that made the model quite a capable handler. The rear end even stepped out a just little during MotorWeek's slalom. Unfortunately, styling is very polarizing with these early sedans. Where the early LS looks planted with its big, chunky lines on the outside, the Infiniti is a bit more delicate. The design just doesn't scream about being a flagship sedan. The interior doesn't help sell the car as the top of luxury, either. While MotorWeek likes some of the amenities inside, there are complains about the reused switches from the Nissan Maxima and the extensive use of plastic, rather than wood. With Infiniti now having its sights on the global premium market and soon entering the compact segment, it's fascinating to see the very roots of the brand.