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Hyundai Genesis Sedan 2009-

5692 messages,  Last post on Nov 25, 2009 at 6:02 AM

You are in the Hyundai Genesis Forum. Your Hosts are pat & karens

What is this discussion about? Hyundai Genesis, Hyundai Genesis Coupe, Concept Cars, Future Vehicle, Coupe, Sedan


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#5258 of 5692
Re: Power Bump?!?!?! [poodog13] by backy
Jul 09, 2009 (6:18 pm)
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Replying to: poodog13 (Jul 09, 2009 4:01 pm)

I am with you on that, but I don't think most buyers of this class of car are. More power is usually seen as a good thing. But Hyundai is on a tear to improve both power and FE across its lineup, using new/improved engine technology, so maybe they will do that with the Genesis.
#5259 of 5692
Re: Power Bump?!?!?! [backy] by bman900
Jul 09, 2009 (7:34 pm)
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Replying to: backy (Jul 09, 2009 6:18 pm)

With today's technology, you can have both power and economy. The Infinity G's V6, which has 40 more HP than the Genesis (with about the same size engine) gets the same overall mileage according to Consumer Reports. (Both are rated at 21 MPG in overall driving).
 
Hyundai should have the technology to bump up the V6.... The Tau 4.6 liter V8 produces 80 HP/Litre (368 total), so using that formula they should be able to bring the 3.8 engine up to 304 HP.
#5260 of 5692
Re: Power Bump?!?!?! [bman900] by backy
Jul 09, 2009 (7:45 pm)
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Replying to: bman900 (Jul 09, 2009 7:34 pm)

They do have it. Wait for it... wait for it...
 
I agree with the earlier post though re why not use this technology to improve FE even more by keeping the output down? Surely there is a trade-off for power vs. FE at some point.
 
It begs the question as to whether Hyundai would ever go the hybrid route with the Genesis V6 sedan, using the lithium polymer batteries and other technologies they are developing for the Sonata et. al.
#5261 of 5692
Re: Power Bump?!?!?! [backy] by fedlawman
Jul 09, 2009 (9:28 pm)
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Replying to: backy (Jul 09, 2009 7:45 pm)

There's no special technology (short of direct injection, maybe) to get more HP or fuel economy out of an engine. The Infiniti 3.7L engine makes more HP than the Hyundai 3.8L simply because it has peakier power delivery and a higher redline.
 
The Genesis engine is designed to be smooth and deliver nice power lower in the RPM range. The G37 needs 7000 RPM to deliver 330hp, and it's no smooth operator at that speed.
 
Hyundai could easily tweak the air/fuel ratios and cam/valve timing to bump the peak HP a few points. But, just like every other manufacturer, they'd just be robbing Peter to pay Paul.
#5262 of 5692
Re: August Automobile Magazine [colegar] by tjc78
Jul 10, 2009 (4:29 am)
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Replying to: colegar (Jul 09, 2009 11:22 am)

The 3.5 Toyota engine is very "zoomy" and quick reving but it does all of its stuff in that one single rush and does so with more "fuss" than the 3.8 Genesis engine. I give the Genesis much higher marks for sophistication and performance at higher speeds. Mated with the slick six-speed automatic, the Genesis is incredibly efficient at always selecting the right combination for real-world driving satisfaction
 
Right, quick revving and always "wanting" to be pushed hard even in a car not really meant for spirtited driving. I just don't get that from the Hyundai. Toyota's 3.5 is the probably the best V6 out there (especially in direct injected form). As for the transmission in the Genesis, its made by Toyota anyway. It suffers from the same crazy shift logic that is geared more toward fuel economy than anything else.
#5263 of 5692
Re: Where's the Diesel??? [backy] by bobad
Jul 10, 2009 (4:48 am)
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Replying to: backy (Jul 09, 2009 7:45 pm)

It begs the question as to whether Hyundai would ever go the hybrid route with the Genesis V6 sedan, using the lithium polymer batteries and other technologies they are developing for the Sonata et. al.
 
I'm not a great fan of hybrids, not in their present form. I think they're gimmicky and false economy, but that's another subject.
 
I am hoping for a clean diesel option for the economy minded. A 5 or 6 cylinder turbo diesel would be plenty motivation for the Genesis, and would easily outlast the 10/100 warranty. I highly doubt a hybrid's expensive, consumable batteries and electronics could be covered by the 10/100.
 
I can see a Genesis TD with 6M, 6A, or 8A with FE near 30mpg with acceptable 0-60 times for most drivers.
#5264 of 5692
Re: Power Bump?!?!?! [fedlawman] by bman900
Jul 10, 2009 (5:35 am)
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Replying to: fedlawman (Jul 09, 2009 9:28 pm)

Good point - I didnt consider that. It still would be nice to get over that 300 mark, and still retain a nice linear power curve.
#5265 of 5692
Re: August Automobile Magazine [tjc78] by colegar
Jul 10, 2009 (7:35 am)
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Replying to: tjc78 (Jul 10, 2009 4:29 am)

It is strange how differently we compare the two engines (Toyota 3.5 vs. Genesis 3.8). I find the Genesis to be much stronger without having to drop down a gear at highway speeds when negotiation curves and long grades. When it does need a lower gear, I think it does so almost seamlessly. I don't know how much driving you have done with the Genesis in the mountains, but that is where it really shows its stuff. The 16 lb.-ft. torque advantage it has over the Toyota 3.5, and the fact that it is available at lower RPM's, seems obvious to me.
 
Some of the magazine road tests have reported the Genesis 3.8's zero to sixty time at six seconds flat (Hyundai advertises 6.2 seconds). That is really hauling for a 3,750 pound car!
 
I agree that the Genesis ECM computer is tuned for mileage during easy, low-speed takeoffs from stoplights, etc.and it tends to shift at very low RPM's. I would prefer it to be a little less anxious to reach third gear for economy's sake. Once it reaches third gear, I like the shift pattern from there on.
#5266 of 5692
Re: August Automobile Magazine [colegar] by allmet33
Jul 10, 2009 (7:45 am)
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Replying to: colegar (Jul 10, 2009 7:35 am)

It's amazing to me how folks perceive the Toyota 3.5 to be better than the Hyundai 3.8, but the 3.8 reaches max torque and hp at lower rpms than the 3.5. Honestly, I think it has more to do with gearing than anything else. I've driven Toyotas and acceleration in them is very "spirited", but like it was said before...at higher speeds, the engine is a bit "fussy". Acceleration with the 3.8 is truly butter smooth. It doesn't snap your head back when you take off, but if you're not paying attention, you'll look down and realize you're doing 80 mph before you know it. The 3.8 in my Azera doesn't even breath hard when pushed and the 3.8 in the Genesis is even better.
 
If you want better shifting for more spirited driving, put it in manual mode and have a blast!!!
#5267 of 5692
Re: August Automobile Magazine [allmet33] by tjc78
Jul 10, 2009 (7:55 am)
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Replying to: allmet33 (Jul 10, 2009 7:45 am)

">link titlebut the 3.8 reaches max torque and hp at lower rpms than the 3.5
 
Shouldn't it... being a higher displacement? IMO the 3.8 is behind the times... heck Yota can get over 300 with their 3.5 and Nissan is getting 330 from the 3.7. Sorry, I'll never agree the 3.8 is a better engine than Toyota's 2GR, from a refinement standpoint anyway.
 
Oh and another slightly off topic thing about the 3.8 in my Genesis.... sounds like a freight train on startup. Its like the valves don't get oil for the first 10 seconds. Its not only me either...
Dry Startup Noise

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