2014/15 5.3MPG with a/t tires what do you get?

Ryan698 · August 28, 2015

Seen a thread for the 6.2 guys what's everyone getting in there 5.3 with aftermarket wheels and tires in city and hwy..? Right now im on the stock 265/65/18 sr-a wheels and doing 100km/h i normally get 26/28 mpg that's with a 2.5 inch level and no air dam up front. Curious what people with other set ups are getting

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robvas · August 28, 2015

My best ever was 21-something with the 5.3 and 286/65-18 BGF KO2

Rawyzf · August 28, 2015

I've never seen a tank at 26/28. If I look at real time MPG while driving around 60-65, it's around 20-25 usually, but that isn't typical with traffic and stop and go and all that other jazz. You can click the fuelly app in my sig to see my avg and tank by tank mpgs.

EDIT: I am 2" Level, stock air damn in place still. 275/60/20 Cooper ATP tires. 35psi.

tyrich88 · August 28, 2015

I'm at stock level with 285/65R18 BFG AT's
Running 72-75 I get around 18-20MPG

65 I get around 22-23

My MPG in town is worse because of the heavy tires, But highway didn't suffer just a whole lot.

Robert.jean1 · August 28, 2015

15-16 city and 18-19 hwy

joshc64311 · August 28, 2015

went to ocean city MD, got 34mpg going down the mountain and 20 on the way back. I never see 25 but i got a 3.08 rear tho

Ryan698 · August 28, 2015

See in Canada our hwy speed limit is 100km/h witch is 60 mph for you guys and I don't have any Hills around me so that maybe why I get such good mpg id imagine

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JimmyJ_123 · August 29, 2015

My best ever was 21-something with the 5.3 and 286/65-18 BGF KO2

same

Rawyzf · August 29, 2015

19.9, lol. I'm in the stink hole and can't get a 20 on a full tank.

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Jlm02a3094 · August 29, 2015

13-14 city, 18 highway

Josh

z71 chevy · August 29, 2015

^ same here

Luster · August 29, 2015

I baby the throttle, time traffic lights and coast every chance I get. Basically I drive like an old man, pissing off anyone behind me. (Not really, but I do use the cruise if conditions permit)

17 city 23+ hiway 5.3L - Crew Cab - 2" Level - Bridgestone 285-45-22 Dueler RH-S (All Terrain)

Pretty typical here:

CbrownGT · August 30, 2015

I have a 2.5 level, 285/65/18 Toyo At2's, and no lower air dam. I get 18-18.5 during my daily commute on two lane, hilly Western Pennsylvania roads. I actually get worse mileage on the highway.

Aldila · August 30, 2015

I'm tired of guys with heavy tires/wheels posting those absurd numbers. My 2014 5.3 crew geared 3.42 saw 13-15 mpg cruising at 75 on the highway with 295-55-20 toyo at2 and fuel hostages. I just don't see how those with same motor, gears, larger/heavier tires yield better mpg. Mine was hand calculated.