XK Fuel Economy

[jantrit]

I am consistently in the 10 to 12 range and you can see all my mods in my signature. With the big tires and all the steel on my Jeep I think I do pretty good.

You can add fuelly to your signature if you keep track of your actual fuel-ups and it gives you the accurate reading (mine is 10.9 mpg).

fuelly....nice hadn't seen that before.

[peteyturbo]

The wife usually drives the commander, and every time I get in this thing it is between 9.8 and 10.8 max which is comical really. I have tried everything to get better economy as far as maintenence (New oem plugs, afe intake, cat back exhaust,pcv, all fluids, seafoam, ect.).. Driving in the city 90% certainly does not help, but the best possible economy I can get at highway speed is about 16 with MDS fully kicked going slightly downhill while hitting the reset button..I keep telling myself it is the tire size skewing the numbers but lets be honest, it's not gonna be anywhere near as much as I would like..

[Matt]

The wife usually drives the commander, and every time I get in this thing it is between 9.8 and 10.8 max which is comical really.

lol well there's your problem!!

I'll get between 14-16 depending on my speed on the highway... if i keep it around 70-75 its closer to 14mpg for me. Drop down to 65-70 and it'll climb to the high 15s.

[NeilSmith]

I keep telling myself it is the tire size skewing the numbers .

What size tires are you running ? I went up to a 245/75 and the odometer readout is about 20 miles different from the gps with a full tank( if I remember right ) . That is definitely enough to skew your mileage if you're using the dash display. If I want to check the mileage, which I never really do, I use my GPS.

[Matt]

^^ I was going to say the same thing because if you're running a 31" tall tire, that would make his MPG of 16 go up to 17.1.

But i checked one of this threads and i believe his tires are only 1/2" taller than stock.. a 245/65/17 if i remember correctly.

[wookie]

The Wife averages 14Mpg with mixed highway/ city. She drives like she stole it. If the ECO comes on she just goes faster. I have milked 21.8Mpg on the highway doing 60ish, bone stock and no roof rails.

[Sal-XK]

She drives like she stole it.

LMAO that's hilarious!

[wookie]

She drives like she stole it

I picked the Commander out for me as a tour gift..........She rarely drove the 06. So she did "steal" it from me.....