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The Next Sonata Hybrid

Discussion in 'Prius, Hybrid, EV and Alt-Fuel News' started by Trollbait, Jan 16, 2015.

  1. Trollbait

    Trollbait It's a D&D thing

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    Perhaps not as eagerly awaited as details on the next Volt, but Hyundai unveiled the 2016 Sonata hybrid at the Detriot auto show. Fuel economy increases from 36/40 city/highway to 39/44 while increasing passenger space. The important detail for this segment is that the battery is under the trunk floor. It likely loses the spare tire, but gains 1.2cu.ft. of space and a 60/40 split rear seat.

    More here: More on the 2015 Hyundai Sonata Hybrid from the 2015 #NAIAS - CleanMPG Forums
     
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  2. GregP507

    GregP507 Senior Member

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    I believe it still qualifies as a "mild hybrid" based on the limited information provided in the link. The previous generation of Hyundai "hybrids" simply had a belt-driven motor-generator in lieu of a starter and alternator, and a larger battery. This one incorporates the electric motor into the drive-train, but I see no mention of regenerative-braking. They are still miles behind the Prius in my opinion.
     
  3. fotomoto

    fotomoto Senior Member

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    Kudo's for them providing a 10yr/100k on all hybrid's powertrains and a lifetime warranty on the hybrid battery! I wonder if the plug-in will get the same. If so, that's something that should definitely be figured into total costs.

    From the Hyundai website: The Sonata Hybrid switches seamlessly between a gasoline engine and an electric motor to deliver efficient power. The gasoline engine delivers the primary charge energy for the lithium polymer batteries while the regenerative braking system helps provide supplemental energy.

    2016 Sonata Hybrid - Two New Hybrids Coming Soon | Hyundai
     
    #3 fotomoto, Jan 16, 2015
    Last edited by a moderator: Jan 16, 2015
  4. GregP507

    GregP507 Senior Member

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    I'm skeptical of such warranties. Sometimes they are a sales ploy to assuage concerns about reliability, and the terms may be quite slippery in the fine -print. When I was researching a new car last year, one (unnamed) automaker was offering quite a generous warranty. When I researched it, I found that their cars were known for having lots of reliability issues, and the bad reviews were impacting sales. As a stop-gap measure, the company extended the new-car warranty, but that doesn't make the cars more reliable.

    I suppose regenerative-braking goes without saying, with any motor-generator.
     
    #4 GregP507, Jan 16, 2015
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  5. mrbigh

    mrbigh Prius Absolutum Dominium

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    It is a beginning......give them some time to catch-up
     
  6. F8L

    F8L Protecting Habitat & AG Lands

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  7. Trollbait

    Trollbait It's a D&D thing

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    It is a full or strong hybrid for bei ng able to propel the car at 75mph on electric alone. The previous one had the electric motor in the drive train between the engine and and transmission also. Hyundai's system is like a merger of Honda's IMA and GM's BAS(that part Hyundai calls HSG) with some improvements. Guess that makes it a hybrid hybrid.

    With lack trunk space and cargo flexibility being a big con with other sedan hybrids, this new Sonata could be a big success. I haven't heard of any issues, or fuel economy disappointments, with the previous one.
     
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  8. austingreen

    austingreen Senior Member

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    Hyundai, Mercedes, BMW, and VW use the same basic hybrid system, which actually is an improvement on hsd on high power applications, but is likely less efficient in the city on these around 200 hp or less vehicles.

    The idea is instead of 2 motors when driven there is a dual clutch and a lock up automatic transmission.

    There are 3 modes with psd that work with double clutch-
    1) electric (ice at 0 rpm), clutch 1 engaged (motor to transmission) clutch 2 open (ice to motor)
    2) charging while stopped, clutch 1 open with clutch 2 engaged)
    3) ice engaged with battery charging/discharged/or not involved, both clutches engaged

    The hyundai is a full hybrid. The disadvantage comes accelerating from a stop since it must shift. The advantage is highway driving, with lower transmission losses.
     
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  9. GregP507

    GregP507 Senior Member

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    There's still needs to be some sort of class-distinction between a basic hybrid system described, and the suite of technologies that are combined to achieve the type of fuel economy that the Prius delivers.
     
  10. F8L

    F8L Protecting Habitat & AG Lands

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    Out of curiosity, why?
     
  11. GregP507

    GregP507 Senior Member

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    Leaders and followers.
     
  12. F8L

    F8L Protecting Habitat & AG Lands

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    So it's a way to chest thump then. Got it.
     
  13. GregP507

    GregP507 Senior Member

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    Not really. Achievement should be recognized.
     
  14. john1701a

    john1701a Prius Guru

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    The definition of FULL has always (for 15 years now) been any system with the flexibility to deliver propulsion & generating both with the engine and without, as well as blending & separating through the use of some sort of power-split device.

    That's why IMA was always identified as a different type. Since it only had a single electric-motor and it was connected directly to the engine, it lacked some of those abilities... hence it being just an ASSIST hybrid.

    At no time has there ever been any MPH or even KW criteria. And without the flexibility, is not a FULL hybrid.
     
    #14 john1701a, Jan 16, 2015
    Last edited: Jan 16, 2015
  15. austingreen

    austingreen Senior Member

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    That is a little funny. Toyota has been a follower other than in hybrid. We should welcome hyundai to the party. Either way midsized hybrids are selling
    Compare Side-by-Side
    with the new fuel numbers hyundai rises to number 2 just under the hybrid accord, of course we don't know real world
    The hybrid numbers

    46,955 Fusion hybrid + energi
    39,515 Camry
    21,052 Sonata
    14,426 accord hybrid + phev
    13,776 Optima

    Hyundai uses the same hybrid system on the Sonata hybrid and kia optima hybrid. With the improved fuel economy (39 cty, 44 hwy) and trunk space the new sonata may get a higher take rate even with low gas prices. Honda had the lowest take rate, perhaps this is because of how they handled bad battery software on past hybrids, or it is because of the hybrid premium.

    Take rate ordered by total sales volume
    9.2% Camry
    3.7% Accord
    15.3% Fusion
    9.7% Sonata
    8.7% Optima

    I can see the Sonata/Optima both getting above 10% take rate with the redesign.
     
  16. F8L

    F8L Protecting Habitat & AG Lands

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    I would think that Hyundai would be very careful about their EPA ratings this time around so it may be safe to assume they won't over rate them again.
     
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  17. GregP507

    GregP507 Senior Member

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    Toyota earned my faith many years ago.
     
  18. F8L

    F8L Protecting Habitat & AG Lands

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    Mine too. Well not faith per say but admiration. It's a good company with a good product!
     
  19. GregP507

    GregP507 Senior Member

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    Northern Canada, 1987; our crew was working in the bush for 6 weeks, hundreds of miles from the nearest city, and the "roads" were just muddy goat-trails at best. From our fleet of vehicles of GM, Chrysler and Fords, nearly all of them broke down in the harsh conditions, one by one. In the end, the '82 Hilux was the only one left in working order, and it not only ferried out the crew, but it also towed most of the broken vehicles as well. It was the oldest vehicle in the fleet.
     
  20. Trollbait

    Trollbait It's a D&D thing

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    There is already system of grouping hybrid systems into mild/weak and full/strong, and into parallel, series, or a blend of the two.
    The suite of technologies used to get the fuel economy of the Prius returns what this Sonata is rated in the Camry and Avalon, and less than the new Accord hybrid.
    I'm sure they will, but I thought their mpg ratings running afoul only involved their non-hybrids; mainly the Elantra.
    I only mentioned the speed to show that the Sonata could propel itself without the engine, which makes it a full hybrid.