GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

2015 GS gas mileage... WOW!

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Old 02-01-19, 09:10 AM
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jplumlee
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Default This is the strange part.

Ok this is what is kinda strange about the trip. I filled up before I left and drove till I had aout 1/4 tank. I made it the rest of the way and drove it around town the two days i was there. Finally, I filled up right before the trip back, expecting to have to gas up 1 more time before I got home. However, I made it ALL the way back with miles to spare. Now this is across West Texas so It's not like the trip back was down hill. The picture I've attached was taken when I first noticed the MPG. I neglected to take a pic when I filled up the morning after our return but remembered what it showed. So it took I'd guess 1.5 tanks to get there and less than 1 to get back. Never seen that big a difference before and I've made that trip dozens of times.
Anyhoo I like it.
Old 02-01-19, 09:13 AM
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Originally Posted by waygreen
OP, what speed were you running?
In West Texas on I-20. if you run 80-85 you'll get run over in EITHER lane. I'd say the average speed was 85-90 and even higher through the wide open areas, and 80'ish through the towns along the way.
Old 02-01-19, 09:32 PM
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shurik74
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Recent trip from CA to TX and back, going 85-90mph my GS averaged 28mpg, which really surprised me, compare to daily driving to work 50/50 city/hwy i'm at 18mpg on my 20"s
Old 02-02-19, 02:03 PM
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Originally Posted by shurik74
Recent trip from CA to TX and back, going 85-90mph my GS averaged 28mpg, which really surprised me, compare to daily driving to work 50/50 city/hwy i'm at 18mpg on my 20"s
That's pretty solid MPG too. I average around 24-25mpg in town and I have a short commute of just 15 minutes. I have a fairly heavy foot so I'm pleased with the mpg over all.
Old 02-02-19, 02:21 PM
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np20412
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Originally Posted by shurik74
Recent trip from CA to TX and back, going 85-90mph my GS averaged 28mpg, which really surprised me, compare to daily driving to work 50/50 city/hwy i'm at 18mpg on my 20"s
Thats solid. I did a 350 mile round trip at 85-90 in relatively flat Florida and I couldn't get over 25.6mpg. At 50/50 city/hwy tho I'm getting like 20.8-21.5mpg.
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Old 04-12-19, 11:55 AM
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thallium
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Originally Posted by jonathancl
I have only one time seen my 2013 awd average above 26 mpg.
I use cruise control religiously, usually at 78mph.

Am I doing something wrong?
I think if you drop your speed to 65 you'll see a big increase but going that slow might not be safe or desirable. You could not do that in southern Cali as people there are insane and go 85 or more everywhere.

On my local freeways if I'm wanting to save gas or I'm not in a hurry and don't feel like I'm in competition to race everyone I stay all the way right and go 65 or so which is the speed limit. Every once and a while I'll come up behind someone even slower and I'll drop my cruise to match them. If the consumption graphs are accurate I'm getting between 30-40 mpg when I'm going 55-65. Mileage really drops off exceeding those speeds as you're wind resistence really goes up.
Old 04-12-19, 11:59 AM
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Originally Posted by jplumlee
That's pretty solid MPG too. I average around 24-25mpg in town and I have a short commute of just 15 minutes. I have a fairly heavy foot so I'm pleased with the mpg over all.
Getting 24-25 in city driving seems pretty good. I do about 17 highway and 8 city every day and when I'm pretty careful I'm averaging about 24. What really kills it is stop lights and drivethroughs.
Old 04-12-19, 12:05 PM
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thallium
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Originally Posted by jplumlee
Right now I have the Yokohama YK740GTX. It's what were on the car when I bought it. They were basically brand new so we'll see how they wear.
How have you liked those tires? I went from Michelin Primacy MXV4 on my Camry which had very good, quiet ride to those Yokohama. The ride was noisier and they were squirrely as heck. On the way home from having them installed I felt like I was riding on roller skates. When I checked the air, for some reason there was 40 psi in them. I lowered them and it rode better but never felt right so I finally took them back to Discount Tire and they warranty replaced them with Michelin Defender T+H which were great.
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Old 04-12-19, 10:29 PM
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LexusGuy01
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I have the trip information like you when i drove from Housto to Dallas 31MPG.
Old 04-13-19, 05:54 AM
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mikesrx350
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Originally Posted by jonathancl
I have only one time seen my 2013 awd average above 26 mpg.
I use cruise control religiously, usually at 78mph.

Am I doing something wrong?

no your enjoying 78 mph
bring it down to 71 mph and you will see another 2 mpg avg
cheers
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