My CL's tach loafs around 1700RPM at 60MPH, and when the cars goes at 80MPH, the tacho jumps to 2300 RPM.

Couple of day ago, I got the 04 TL as loaner car. I guess TL got more HP and torque, or even the gear ratio is also different. That TL's stayed around 1400 at 60MPH, and 2000RPM at 80MPH.

Hmmm... does 04 TL actualy have better MPG than our 01 CLS?

 

why would you tie mpg's to rpm's ???

 

i could be wrong, but it makes sense....less rpms means the engine isn' working as hard therefore using less gas.

 

mine says hey, how you doin?

 

 

A higher RPM meaning cylinder spin more frequent , hence, more gas is consumed.

 

if your cylinders are spinning you have bigger issues than mpg

 

270 horsepower

 

For me i'm @ 2000RPM =70mph

Speaking of RPMs/MPG and crusing etc.... with staying around 70-80mph was able to get 400miles this weekend on a full tank and still have enough fuel for about another 50+ miles, which makes me wonder how close i could get to 500miles on a full tank.

I post a picture later of how much i had left when i hit 400miles.

 

I think the major difference in the TL is the drivetrain... maybe 5th gear is even taller.

It seems as though @ 80 mph exactly, if the CL is doing 2400rpm and the TL is doing 2000, then the TL has better mileage. The power difference is negligible at 10 hp and 6 lb/ft.

 

Assuming both are 5AT... if both the CL and TL weigh about 3400 each and say the CL has only the driver on board and the TL has 5 on board, which engine will work harder (i.e. consume more fuel) at highway speeds in 5th gear to maintain a steady speed? A similar analogy would be two Chevy Silverados with only the driver on board. Both trucks have the same V8... but one is towing 5000 pounds. Obviously both will have the same top gear rpm, but which one's getting better mileage?

 

Ummmmmmmmm, NO-how fast does a S2000 spin? and it certainly gets better gas mileage than the CL

 

yeah, but S2K has a much smaller engine...

besides, S2K does not have better MPG than our CLS.

 

Our S2000 turns 9100 RPM at 70mph.... in second gear. No joke.
And yes, gas mileage is horrible while driving it like a race-car. But gets decent gas-mileage when driving it like a Civic.

 

 

i'm at about 2k at 60mph and at 80 about 27-29k

 

I knew you had some work done under the hood, but 27K-29K RPM?
2.7k-2.9K RPM sound more like it, and you don't count as you have a 6 Speed with boost.

 

I get terrible gas mileage with my S2000, maybe because the engine is still new (only 2500 miles) or maybe because I drive it too hard ... Not only that, but the gearing isn't setup for highway cruising, so in 6th gear @ 80mph, the engine is humming along at around 3500-4000rpms, (don't remember exactly). Compare that to the TL-S which whispers at about 2400rpms @ 80mph, and you've not only got better gas mileage in the TL-S, but you've also got a much nicer ride. I love driving the S2000, but personally I wouldn't take it on long trips... The TL is much better suited for that.

I don't have the numbers in front of me, but I would imagine that the 5AT '04 TL has a taller 5th gear to allow for the 2000rpms @ 80mph cruising speed. Actually, now that I think about it ... horsepower/torque has nothing to do with how fast you go at a particular rpm. Gearing has everything to do with that ... Consider as you mod your car, you've got more horsepower/torque, but you still go the same speed at a given rpm and gear. Horsepower/torque just help you accelerate faster to a given rpm/gear/speed combination.

 

2000 RPM at 70 MPH

 

My 6 speed is around 2900 in 6th at 80.

 

Oh yeah, the tire/rim combo can effect your rpms too since it effectively changes the final gear ratio. I know the TL comes with 17x8" rims with 235/45/17s on the tires. That could also effect your speed at a given rpm

 

When Cruising ?? Just like this pic rbf351 took

4th gear...

 

yup me cruising in 4th gear

but when i am in 6th gear doing 80MPH it's usually around 3000 RPMS

 

Because the speed of the vehicle is directly relative to the RPM at given gear ratios, and higher the RPM, the lower the gas mileage.

Mine is at just under 2500 RPM at 80 mph, '03 TL-S (keep in mind that if you have a Premium model, the gear ratios are different from the Type-S, and you will have different RPM at given speeds).

 

i'm lazy mclaren, too many zeros to type. Now you made me make another post. you're killing me bro.

Anyway, I cruise at the same RPM as all the other 6 speeders. obviously my gas milage sucks, but it's not horrible. On a good day of high way driving I can prob pull 300 easily out of 14 gallons. I normally fill up a bit after the light comes on. I could prob get 350 if I didn't pass anyone.

 

2900 at 80mph, 2400 at 65-70....

I was able to get 31mpg on my drive from IL to NJ.

 

well no kidding bro

your comparing honda's top convertible roadster to a touring sedan .. obviously the sedan is going to be a much more comfortable trip taker. But I certainly would rather the S2k on a spirited drive with twisty roads

the S2000 is setup for speed and very spirited driving .. very tight steering and suspension, I'm sure it was never intended to be a car to take on long trips .. nor could you really fit any amount of luggage for any kind of trip

oh and the s2k reminds me of my friends 97 prelude w\ H22 .. the H22 tranny revs REALLY high even in 5th, it feels similiar to 4th in the 5AT. I remember his car revving at like 4000+ RPM at like 80 .. I was like

 

Ya I was just responding to the peeps that were saying the S2000 revs higher but gets better gas mileage. In truth the actual EPA estimates for gas mileage are lower in the S2000 than the TL/CL though.

The S2000 is definitely more fun imho than the TL-S could ever be though

 

01 CLS

2500rpm @ 90mph

If I remember correctly its about 2900 @ 100mph (I havn't been to Vegas in a while).

 

hey guys I love going fast too, but be careful posting pictures proving you are breaking the law

im a dork, just looking out for you guys....

 

He's got a good point but what kind of asshole tool bag would use a picture that somebody posted to get them in trouble?

 

that pic was photoshopped

 

I was just lookin out for my Tlers, since those guys form waterfest got busted because that had video of themselves being naughty