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Midsize Sedans 2.0

13332 messages,  Last post on Dec 04, 2009 at 2:47 PM

You are in the Sedans Forum. Your Hosts are pat & karens

What is this discussion about? Hyundai Sonata, Toyota Camry, Honda Accord, Nissan Altima, Volkswagen Passat, Mazda MAZDA6, Ford Fusion, Chevrolet Malibu, Saturn Aura, Car Comparisons, Sedan


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#10459 of 13332
Re: for those looking [akirby] by thegraduate
Aug 11, 2008 (8:08 am)
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Replying to: akirby (Aug 11, 2008 7:58 am)

The old EPA system (the one that rated my car at 24/34 and not at 21/31) was actually dumbed down significantly from what the EPA really achieved. I remember the highway number for my car was well into the forties. I can't find the table right now but will search for it for ya.
 
EDIT: Found it. The EPA numbers uncorrected for my 2006 Accord 2.4L 5AT are City: 27.0145 Hwy: 43.4831
 
See them yourself at the link I provide below. Click the year of vehicle you wish to see. You'll have to unzip a datafile into Excel to do it (really easy). Then just find your vehicle in the file. They are sorted by EPA class (2-seater, Subcompact, Compact, etc).
 
Link to FuelEconomy.gov Raw Numbers
 
#10460 of 13332
Altima MPG by plekto
Aug 11, 2008 (11:34 am)
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Replying to: thegraduate (Aug 11, 2008 8:08 am)

The 4 cylinder Altima with manual transmission can easily get 35mpg on the highway. With 18 useable gallons, give or take, that's 600+ miles.(23/32 with the new EPA ratings, 26/35 for 2007, old system) 2007-2008 reported average is 29-31mpg.
 
Why does it do so well?
 
3100lbs. Less weight and bloat, pure and simple. (It appears to have gained 100lbs though, since 2005/2006... odd...)
 
The V6 with automatic gets closer to 25mpg, just like the Honda/Toyota/GM/Ford/etc midsize sedans. The smart money is on the 4 though as it has 175HP(!) and is plenty easy to go quickly in given the fact that it weighs 500-800lbs less than the competition. Oh, and no premium fuel either.
#10461 of 13332
Re: Altima MPG [plekto] by thegraduate
Aug 11, 2008 (11:45 am)
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Replying to: plekto (Aug 11, 2008 11:34 am)

Why does it do so well?
  
3000lbs. Less weight and bloat, pure and simple.
  
The V6 with automatic gets closer to 25mpg, just like the Honda/Toyota/GM/Ford/etc midsize sedans. The smart money is on the 4 though as it has 175HP(!) and is plenty easy to go quickly in given the fact that it weighs 500-800lbs less than the competition.

 
A base Altima 6MT weighs 3,112 according to Nissan's own website. Put a CVT in it and you are a shade under 3,200 lbs (3,189).
 
Altima 6MT Base: 3112
Camry 5MT Base: 3263
Accord 5MT LX: 3230
 
All weights are from the manufacturer's respective website, and reflect the least expensive model (and therefore equipped with the fewest options to add weight) that is currently available.
 
We're not talking a large difference in weight here; the difference in a small passenger. 800 lbs lighter? No way. A little research goes a long way. Where'd you get 500-800 lbs difference?
#10462 of 13332
Re: for those looking [bhmr59] by moocow1
Aug 11, 2008 (11:49 am)
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Replying to: bhmr59 (Aug 10, 2008 7:45 pm)

You obviously drive like 80+ mph on the highway Because I hit 425+ miles per tank with mostly city. Highway would definitely go over 500 without a sweat. My highway is over 30mpg for sure, which multiplied by a 17.7g tank would be over 500. Heck, I think I could probably pull off 550+ with highway only. Most midsize cars are around 3100-3500, depending on features. I think the weight difference might only count for 1-2mpg, still matters, but not a huge differentiator.
#10463 of 13332
Re: for those looking [moocow1] by thegraduate
Aug 11, 2008 (11:52 am)
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Replying to: moocow1 (Aug 11, 2008 11:49 am)

In town, the weight difference matters a lot more than on the highway, i believe. It takes more effort (fuel) to get the extra mass moving from a stop than it does to KEEP that extra mass moving once underway.
#10464 of 13332
Re: for those looking [thegraduate] by jeffyscott
Aug 11, 2008 (11:52 am)
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Replying to: thegraduate (Aug 11, 2008 7:47 am)

EPA "highway" numbers are not based on cruising on the freeway at a constant speed, so most cars should easily exceed the EPA highway rating when driven on the freeway. CR always reports much better "highway" numbers than the EPA figure because their number is based on a steady speed of (I think) 65 mph.
 
I used to not be too sure about your mpg numbers, but my Mazda6i is now broken in and getting 27-28 mpg in my suburban Milwaukee commute (which is similar to Birmingham). Given the relative EPA rankings, I'd expect it to be 2-3 mpg less than an Accord and it is. I have not had an opportunity to check it on a freeway cruise, but when it was new it was getting about 32. My commuting mpg has gone up by 2-3 mpg since then...so I would not be surprised to see 34 mpg now.
#10465 of 13332
Re: for those looking [jeffyscott] by thegraduate
Aug 11, 2008 (12:00 pm)
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Replying to: jeffyscott (Aug 11, 2008 11:52 am)

Considering the difference in EPA estimates, I'd say your mix of driving and driving style probably does compare to mine, based on your 28 or so MPG in the commute. I always try and let people know I'm not a speeder, and I don't rev up much above 3k RPM regularly; only when a passing maneuver is necessary, or when a short on-ramp looms.
 
I certainly understand people being skeptical of my numbers. My own dad was the first time I got 36 MPG on a trip in the Accord. Ever since, my highway mileage has leveled off to around 37-38 MPG on trips, depending on the passengers/cargo I've got (adding a person means I stop at more rest areas, as well as have more weight to pull up the hills). The 40 MPG tanks are outliers on these trips, but so are the tanks that I only get 35 MPG.
 
Out of curiousity, how many MPH do you get per 1000 RPM? My 4-cyl Accord (5-speed Auto) runs at 30 MPH per 1000, meaning my typical crusing speed of 72 MPH puts me at only 2,400 RPM. Most Mazda's I've ever been in rev consistenly higher in top-gear than their competitors.
#10466 of 13332
Re: for those looking [thegraduate] by aviboy97
Aug 11, 2008 (12:04 pm)
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Replying to: thegraduate (Aug 11, 2008 12:00 pm)

I'll agree with that about Mazda's high gearing. My 4 cyl Mazda6 is turning 3,200 rpm's at 70 mph.
#10467 of 13332
Re: for those looking [aviboy97] by thegraduate
Aug 11, 2008 (12:07 pm)
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Replying to: aviboy97 (Aug 11, 2008 12:04 pm)

My 4 cyl Mazda6 is turning 3,200 rpm's at 70 mph.
 
Is that a manual trans?
#10468 of 13332
Re: for those looking [aviboy97] by mz6greyghost
Aug 11, 2008 (12:14 pm)
Reply

Replying to: aviboy97 (Aug 11, 2008 12:04 pm)

My 4 cyl Mazda6 is turning 3,200 rpm's at 70 mph.
 
Not much different with the 6 V6 and manual. 3,300 rpm at 75 MPH. The automatic is slightly lower, but not by much.
 
I've always found Mazdas to rev higher at highway speeds, but the trade-off for me is that I usually don't have to downshift out of top gear to pass on the highway. It can't be affecting gas mileage too badly, since I get 28-29 MPG on highway trips, and can break 30 if I really tried.
 
I've heard the '09 6 with the V6 keeps the revs below 2500 RPM at 65 MPH, and I hope to confirm this for myself soon...

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