Is there a difference in MPG?
#2
Lexus Champion
Join Date: Feb 2006
Location: San Diego, CA
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Sport mode typically might result in more aggressive driving which would reduce mileage. In stop and go traffic, or where your speed is varying pretty often, Sport mode will downshift more aggressively and hold the gear longer, so that could result in lower mpg as well. Otherwise cruising at 60 mph is going to use the same amount of fuel in Normal mode as it does in Sport mode.
#3
#4
Sport mode typically might result in more aggressive driving which would reduce mileage. In stop and go traffic, or where your speed is varying pretty often, Sport mode will downshift more aggressively and hold the gear longer, so that could result in lower mpg as well. Otherwise cruising at 60 mph is going to use the same amount of fuel in Normal mode as it does in Sport mode.
#6
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#7
Lexus Test Driver
Also note that Eco mode won't do you any favors on the highway. Normal is preferred. Eco is for stop and go traffic (highway congestion) or around town driving. It cuts the AC down a notch, retards acceleration (you can literally switch from normal to Eco and feel the gas pedal move) and shifts early to get you to a higher gear quicker.
So in town = Eco, highway = Normal, Frequent passing and hard braking followed by hard acceleration = Sport, canyon carving = Sport S+.
So in town = Eco, highway = Normal, Frequent passing and hard braking followed by hard acceleration = Sport, canyon carving = Sport S+.
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#8
Moving to ECO I felt like the engine slowed ever so slightly without seeing an immediate change in RPM.
Moving to Sport I felt like the engine speed up slightly, again without an immediate change to RPM
Then I got the impression under ECO the RPM would very slowly drop, while under Sport it would ever so slowly increase, but to be fair I'm not sure that wasn't because I subconsciously adding or subtracting pressure to the gas pedal.
Otherwise you're right about the AC and retarded acceleration
#9
Lead Lap
Now that would be interesting for Lexus to incorporate. The elimination of 7th and 8th gears while in Sport S+ mode. This way, for those of you who want 8 gears, can have it while driving in "Normal or Eco" modes, and those of us who like 6 gears can do that too.
#10
Instructor
Thats one of the best ideas ive herd in a long time. Thats ingenious! Lexus need to employ you as the lead tranmission programmer.
#11
Back in the day you could just hit a button and turn off OD (overdrive) ... This was back when 4 speed transmissions was all we had.
#12
Just floor the 8speed more often and keep it in Sport or Sport + mode, that ought to do the trick Or just stick in manual mode because the shifting is so much faster in M verses D even with sport+ turned on.
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