Auto vs manual

OK not the usual question which is faster, better etc etc but WHY is it that manual cars have better MPG than autos? I haven't a clue

Because there are simply more gears

I guess because they have more gears, therefore the gears are closer ratios and the car can spend more time in 'the right' gear

Everyone knows autos are faster. The end!

Can we lock this thread now please??

You mean you manual drivers actually use 6th gear when doing less than a 100?

Yeah, all the time. I quite often cruise along at 1500rpm - 2000rpm in 6th.

I would have to agree with Jake, I guess more gears means more likely to have the car doing a better RPM/speed. You the driver can probably judge more efficiently, using 5/6 gears which ones will pooter you around town better than the 3+OD on an Auto can ever give you/determine for itself.

You also haven't got the inherent slipping in the transmission with a manual.

Until the TC locks up some of the power (so read more fuel used) is going to be lost in just taking up the drive

When a clutch bites the engine and initial drive in the gear box rotate at the same speed. In an auto box torque converter slips unless it is a lockup, so not so fuel efficient. If MPG is your main concern, I hear the are some good 900cc cars about.

Auto's are crap any way.

You also haven't got the inherent slipping in the transmission with a manual.

 

Until the TC locks up some of the power (so read more fuel used) is going to be lost in just taking up the drive

When a clutch bites the engine and initial drive in the gear box rotate at the same speed. In an auto box torque converter slips unless it is a lockup, so not so fuel efficient. If MPG is your main concern, I hear the are some good 900cc cars about.

 

Auto's are crap any way.

Easy does it... MPG isn't a big concern, despite me getting only 270 miles from a tank of V-Power, just a quick q' that's all. Anyway unless you're some kind of superhero, auto boxes shift faster than manual, we KNOW that

I dream of getting 270miles per tank!

This small single business isn't great for fuel consumpion, you're on-boost nearly all the time.

Easy does it... MPG isn't a big concern, despite me getting only 270 miles from a tank of V-Power, just a quick q' that's all. Anyway unless you're some kind of superhero, auto boxes shift faster than manual, we KNOW that

Check my garage, I am yanking your chain. 270miles to a tank, how? I have never seen that in my car.

Terminator I have checked your garage many times and I KNOW what you are running :d

I always thought 270 miles to a tank was v.bad compared to the claims of so many others on this forum

Terminator I have checked your garage many times and I KNOW what you are running :d

I always thought 270 miles to a tank was v.bad compared to the claims of so many others on this forum

I get anything fro 210 to 240. I blame my sense of fashion, and platform soled boots;)

there are more gear, plus an auto tramission adds extra weight to the car and makes it heavier giving it worst gas milage and that makes it slower as well and thats amusing an auto turbo supra hit all 6,800 rmp even not that will make it even slower

Blimey! I've done close on 300 miles to a tank before. In an auto.

The reason that manuals have better MPG is because you spend so much time changing gears with that clunky old tractor box that you are actually off boost for most of any given drive and the turbos spool down.

See?

there are more gear, plus an auto tramission adds extra weight to the car and makes it heavier giving it worst gas milage and that makes it slower as well and thats amusing an auto turbo supra hit all 6,800 rmp even not that will make it even slower

As its written..

there are more gear, plus an auto tramission adds extra weight to the car and makes it heavier giving it worst gas milage and that makes it slower as well and thats amusing an auto turbo supra hit all 6,800 rmp even not that will make it even slower

Are you pissed mate? That's the worst use of the English language I've heard for some time.

Plus the auto doesn't hit 6,800rpm if you have it in Manu model dickwad.

:)

Are you pissed mate? That's the worst use of the English language I've heard for some time.

 

Plus the auto doesn't hit 6,800rpm if you have it in Manu model dickwad.

i got a manual but would prefer an Auto any day i'm just a lazy shit

there are more gear, plus an auto tramission adds extra weight to the car and makes it heavier giving it worst gas milage and that makes it slower as well and thats amusing an auto turbo supra hit all 6,800 rmp even not that will make it even slower

Are you pissed mate? That's the worst use of the English language I've heard for some time.

 

Plus the auto doesn't hit 6,800rpm if you have it in Manu model dickwad.

Well he is an American, so punctuation is never going to be a strong point.

On normal driving, a manual will acheive better mpg than an auto, however, when driving back from Le Mans a couple of years ago, a friend of mine was following in his 6 speed. We did about 120 miles of spirited driving and he ended up using about 1/4 of a tank more than me, because he had to always be in the right gear, otherwise I would always get the drop on him.

My auto changes up at 7000 when i'm giving it some stick, even out of manual mode. Do most change up at 6800 then ?. Anyone know what the factory stated mpg figures were for the manual an auto soops ?.

Autos are great for town driving/heavy traffic, but crap fuel mileage. Not so good for in gear spirited driving (unpredictable gear changes etc), unless you use Manu mode each time. Cruising on motorways though, really good fuel efficiency I've found.

I may start saving for a Manual conversion. Good idea I wonder?!

Autos are great for town driving/heavy traffic, but crap fuel mileage. Not so good for in gear spirited driving (unpredictable gear changes etc), unless you use Manu mode each time. Cruising on motorways though, really good fuel efficiency I've found.

 

I may start saving for a Manual conversion. Good idea I wonder?!

I have just had the car mapped by Dan and it started to slip my auto box at 400BHP so I have been looking at Boostlogic and TH400 box but I am going to a manual conversion at Turbofit now as the auto options seem limited for big power (500+)