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Lexus rolls-out HS 250h dedicated-hybrid


Though ithe HS is not a performance hybrid like other Lexuses, neither is it a pure economy car

Though ithe HS is not a performance hybrid like other Lexuses, neither is it a pure economy car

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Lexus today announced an all-new dedicated hybrid model for its lineup in the form of the HS 250h. The HS fits between the current IS and ES models and is designed to make luxury hybrids more affordable. According to the company almost 60% of entry level luxury car buyers would consider a hybrid model if it were a viable option.

The HS 250h is powered by a 2.4L four-cylinder Atkinson-cycle engine which generates 187hp (140kW) when combined with the Lexus Hybrid Drive system. Drive is sent to the front wheels via an electronically controlled continuously variable transmission. Although no specifics about the hybrid system, such as battery capacity or total range on battery charge alone, has been released, its designers claim the HS 250h will be 30% more efficient than the most fuel efficient Lexus today. One significant advantage over diesel vehicles - which are often just as efficient - is that the HS 250h requires only 87-octane fuel, potentially making it competitive in terms of overall cost with diesel powered vehicles on the highway.

Like the recently revealed 2010 RX 450h hybrid SUV, the HS 250h will include a new system designed to improve efficiency. An exhaust heat recovery system reduces engine warm-up time, thus allowing it to stop earlier, more often, and for longer periods during low load conditions, while the windshield comes with infrared-ray reduction properties that helps keep the interior more cooler and thus reduces the amount of air conditioning needed to control cabin temperature. Finally, power-saving LED headlamps also contribute to improved fuel efficiency and emissions.

The five-seater sedan features a unique gull-wing-shaped roof and underbody panels that are designed to improve aerodynamics. The front spoiler, rear spoiler, rear under spoiler, and diffuser fins all reduce turbulence, while the smooth A-pillar shape and optimized angle and curvature of the bumper side panels also reduce wake turbulence. The end result is a reasonable 0.27 drag coefficient (Cd).

To further help the environment, the HS 250h is constructed using both recycled and plant-based carbon-neutral bio-plastics. Overall, roughly 30% of the interior and luggage area is covered with this material. The vehicle is also fitted with an electronic steering system that helps to reduce consumption by not draining engine power like conventional hydraulic systems. The steering system is also an integral part of an available lane-departure warning system, which can add steering torque to help the vehicle stay in the center of the lane.

Underneath the sheet-metal sits a MacPherson strut front suspension and double-wishbone rear set-up, as well as coil springs, anti-roll bars, shock-absorber rebound springs, and 17in alloy wheels. Larger 18in wheels are available as an option.

The HS is slightly longer than the IS and is taller than both the IS and ES. It measures 184.8in in length, 70.3in across, and 59.3in in height. Its wheelbase stretches 106.3in.

Inside, there are standard leather-trim seats, a moonroof, Lexus premium audio systems, and a new standard multi-media package. The media features include Bluetooth, integrated satellite radio (subscription required), voice recognition, and USB iPod connectivity controlled via steering-wheel controls or a display screen. There is also a new hard-disc navigation system, an optional heads-up display, 10 airbags, a wide-view front monitor camera system, and Lexus’ new Enform and Safety Connect telematics systems.

The first cars are scheduled to hit showrooms in the U.S. in the middle of the year. No other market launches have been announced yet.
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Comments (11)
  1. that looks soo cheap and crappy, this belongs with toyota not lexus, the technology might be good but please lexus back it up with some aesthetics!
     
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  2. I am with azlan, that is not a pleasant looking car.
     
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  3. Lexus' are supposed to look elegant . . . this just looks like a Corolla or Camry with a badge disorder.

    Not that it means shit, it'll sell incredibly well. Gives all the rich greenies their Prius high with a good amount of luxury to boot.
     
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  4. Proof once more that Toyota/Lexus can't design cars that look good. They needed an Italian to help bring a recognizable image to their bland and boring line-up, and just when they thought they understood his recipe to success, they take an interpretation of his designs and uglify it to the nth degree. The HS? What is this, a Corolla with a bit of chintz? The RX? An IS meets CX-9! I'm sure Fioravanti looks at this design with absolute disgust, but if he felt like me, he'd just chuckle, because the best thing Toyota/Lexus had ever seen in years was HIS work, not theirs.
     
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  5. Is it just me, or does it look like the upcoming Prius more then a Lexus? A bit way too bland and boring to be a "luxury" car.
     
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  6. I doubt they made it look like that by accident, they probably wanted it to look kind of similar to a Prius, that way people buy it by association to the Prius.
     
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  7. @SS89

    And thats exactly the problem with every single fuel efficient/hybrid/electric car out there right now. The manufacturers feel like they have to piss all over it so the public sees that its a hybrid/electric from a mile away.

    In their mind its like electric = remote control car, hybrid = shoebox, anything with decent gas milage = fish.

    Honestly, why can't they make cars which are both efficient and decent looking, why is it always one or the other.
     
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  8. That's why my last Japanese cars were a 1991 Accord and a 1989 prelude Si. Anything after that whether it's from Toyota, Honda, or Nissan are appliances on 4 wheels. Now I might consider the infiniti G35x and its derivatives, but that's it. None of the lexus, nor the mandoline grill inspire Acura will get my $$$.
     
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  9. I am sick of knockers of fuel efficient (FE) cars. They're short sighted dinosaurs! Toyota has stolen the march and is already doing exactly what GM, Ford and all the other polluters have only just begun to do. What's more, consumers should be given more incentive to buy FE cars so we help to de-fuse the Middle East, reduce greenhouse gas emissions and help restore this planet to a healthy state.
    Sure, get Pininfarina, Bertone and Co to help improve design but that's miniscule in comparison to the above.

    JM
    South Australia
     
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  10. Wow! Most of you guys sound like the schmucks that got us into this oil-, ESPN-, FOX news-mess in the first place. Hallelujah that it looks like a Prius. Wake up and smell the alternative to your "I-have-to-look-like-a-million-bucks-in-order-to-let-everyone-know-I-have -it-made" attitude. You want a Schmucky car, buy a Cadillac.
     
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  11. All hail Toyota!! Never mind that they have more SUVs on the market than any other manufacturer in the entire f&$$ing world. Chill out dh. People here like talking about cars.
    Can't wait when the first news hits that old hybrid batteries in landfills are poisoning the children.
     
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