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Honda Accord Hybrid vs. Toyota Camry Hybrid

337 messages,  Last post on May 07, 2008 at 5:57 PM

You are in the Honda Accord Hybrid Forum. Your Host is pf_flyer

What is this discussion about? Honda Accord, Toyota Camry, Hybrid Cars


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#1 of 337
Honda Accord Hybrid vs. Toyota Camry Hybrid by usbseawolf2000
Apr 17, 2004 (2:08 pm)
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Accord mild hybrid will probably be offered with a manual transmission but Camry full hybrid will offer only in electronic controlled CVT transmission. Based on that, we will probably have two different groups supporting both sides.
 
Full hybrid is more efficient and powerful than a mild hybrid. I will provide facts regarding those two different design with available data from the Civic Hybrid and the Prius.
 
There will not be a limit if Honda offer Accord hybrid coupe into the comparison but let's focus on sedan vs. sedan.
 
Dennis
#2 of 337
HCH vs. Prius Power Curves by usbseawolf2000
Apr 17, 2004 (2:12 pm)
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Honda Civic Hybrid Internal Combustion Engine Power Curve
 

 
Prius Internal Combustion Engine Power Curve

 
Atkinson cycle ICE in HSD has super flat torque(blue) curve. What you don't see in that graph is engine efficiency. Atkinson cycle ICE(1,500-5,000RPM) in HSD is more efficient than Honda's Otto cycle ICE peak(at certain RPM) efficiency.
 
Dennis
#3 of 337
ICE+Electric Combined Power Comparison by usbseawolf2000
Apr 17, 2004 (2:15 pm)
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Honda Civic Hybrid

 
Prius 2004

 
This graph isn't a direct comparison because Prius graph shows speed(km/h) rather than RPM. Prius has plenty of horsepower(red curve) between 30km/h(17mph) and 90km/h(56mph). No wonder Prius is faster than 4 cylinder Camry in 30-50 mph acceleration test.
 
Horsepower delivery shoots up very quickly and there are plenty of power in mid-range speed. The torque at the wheel decreases as the car gets faster. Consistent with changing into higher gear as in traditional transmission car.
 
Dennis
#4 of 337
Physical Comparison by usbseawolf2000
Apr 17, 2004 (2:19 pm)
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Honda Civic Hybrid
 
ICE + 10KW Motor/Generator + Mechanical CVT

 
Prius 2004
 
ICE + 10KW Motor/Generator1 + Planetary ECVT + 50KW Motor/Generator2

 
The size seems comparable yet HSD(THSII) contains extra 295 lbs-ft torque 50KW electric motor in it as well.
 
Dennis
#5 of 337
EPA MPG Comparison by usbseawolf2000
Apr 17, 2004 (2:25 pm)
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Honda Civic Hybrid CVT
Curb Weight: 2736 lbs
City/Highway: 48 mpg / 47 mpg
 
Toyota Prius ECVT
Curb Weight: 2890 lbs
City/Highway: 60 mpg / 51 mpg
 
Prius is bigger(mid-size) and heavier yet more fuel efficient.
 
Dennis
#6 of 337
Planetary CVT by usbseawolf2000
Apr 17, 2004 (2:34 pm)
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HSD transmission is an amazing work of art. The car is always in the top gear and lowest gear at the same time! You might be wondering how can it be? HSD can achieve this because there is only one gear ratio(permanently engaged).
 
HSD power response is instantaneous, within milliseconds. No shifting, no delay, no jerking, no power fluctuation, just smooth like a jet.
 
Check out how small the Power Split Device(red area between two motors) which enables ECVT in Hybrid Synergy Drive.
 
.
 
Dennis
#7 of 337
by usbseawolf2000
Apr 17, 2004 (2:39 pm)
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I might be wrong but I left very little room for someone to argue for an Accord mild hybrid IMA design.
 
Dennis
#8 of 337
Accord hybrid w/stick? by backy
Apr 17, 2004 (3:36 pm)
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Dennis, where have you heard that Honda will offer the Accord hybrid with a stick? To my knowledge, Honda has never before offered an Accord V6 4-door sedan with a stick shift, at least in the USA. They do offer the Accord V6 coupe with a six-speed stick. Now that would be an interesting configuration for the hybrid. Anyone know if it will it be offered as a coupe? Toyota could of course offer the Solara as a hybrid; it's got the same powertrains and chassis as the Camry. But I've heard no rumors of a hybrid Solara.
#9 of 337
Re: Accord hybrid w/stick? [backy #8] by usbseawolf2000
Apr 17, 2004 (3:46 pm)
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Replying to: backy (Apr 17, 2004 3:36 pm)

sorry, I just assumed. I figured if they offer HCH with stick, they might offer HAH with a stick.
 
Dennis
#10 of 337
Efficiency by bamacar
Apr 17, 2004 (4:08 pm)
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Efficiency is only one factor to be considered. I would be happy with Civic like efficiency and Accord V6 power. Honda's V6 has 240hp and is much preferred over the Toyota's 210hp. The electric is only one part of the equation. Another factor is the sportier Honda ride, and the Buick-look dash in the Camry I can do without.

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