Although this topic has been discussed to death, it's interesting to see the poll....someone should create a new post titled POLL ONLY and put up the same gas poll
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I only run Top Teir 93 octane.
Are you guys who run cheap gas also going cheap on motor oil and filters? How about gear oil? Air filters?
Even the worst 87 you can get in the US is going to be better than what you find in 3rd world countries where LCs are more abundant and far more abused than here.
6.3 Mercedes gets better mileage than a LC. 4.4 bmw also. I think that's sort of sad. Sad because domestics, and I'd throw in toyo and nissan with that category, can do better, and they choose not to. It's been like that for 20 years or more, so whatever
Even the worst 87 you can get in the US is going to be better than what you find in 3rd world countries where LCs are more abundant and far more abused than here.
87 here at (or below) sea level. When I go to Colorado or anything with altitude I switch to 91 just to offset thinner air.
A Mercedes 6.3 in what? A G63 is supposed to get 12/14MPG. A 4.4 X5 M is supposed to get 14/19MPG. A LX570 is supposed to get 13/18MPG.
In a 5500-6000lb vehicle, with the aerodynamics of a brick, you're not going to get real competitive fuel economy, no matter what country it comes from.
I think what we need is a "blind" MPG test.
Whos wife drives a LC? Dont tell her what gas youre using or anything else. Put gas in it for her, let her drive as normal.
Start with four tanks of 87 octane, average it out.
Then run four tanks of 93 octane, average it out.
Report back in a new thread with the miles per tank, MPG per tank and average MPG for the octane ran.
To make sure the results are as fair as possible use the same exact gas station and same exact pump every tank of gas.
E63 NA before the turbo.
jesus, people don't read do they, whatever.
Depends on much more than the engine though, I mean the toyota yaris gets somewhere in the 31/41 range cty/hwy whereas the avalon gets somewhere in the 21/31 rangeE63 NA before the turbo.
Aerodynamics aside, the major 5 should be better than they are. I doubt there's anyone that doesn't believe the 4cy toyt should get better mpg, same with nissan vq. They might be outstanding engines but their mileage is piss poor. I'm generalizing, cars trucks, all of them. Of the 5k plus bricks I've had, the bmw and mercedes variety get better mileage. The idea is that I don't think gas grade matters much in the grand scheme of things.