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Old 12-21-2007, 06:05 PM   #1 (permalink)
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EPA ratings and confusion

So, This guide is confusing me, I see 2 fuel economy ratings. one is the one I know of, and one that is much higher than the one I know of. what's the other one?

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SPECIAL PURPOSE VEHICLES/2WD
AVE BODY TYPE
ANNUAL ---- MILEAGE ------- INT SPACE
MANUFACTURER FUEL ESTIMATES - UNADJ -- ENGINE DESCRIPTION DRIVE TRANSMISSION FUEL PSGR, TRNK
________________________
CAR LINE COST CT HW CM CTY HWY CMB CID/CYL (TYPE) SYS TRANS O/D DESCRIPTION SY T CRGO(CUFT)
________________________ _____ __ __ __ ___ ___ ___ _________________________ ___ ______ ____ _______________ __ _ __________
JEEP
_______________________
CHEROKEE 2WD $ 1014 17 19 17 18 24 21 150( 2.5L) / 4(FFS) RWD L3 CLKUP FI

CHEROKEE 2WD $ 821 20 23 21 22 30 25 150( 2.5L) / 4(FFS) RWD M5 OD SIL FI

CHEROKEE 2WD $ 1014 15 20 17 17 26 20 242( 4.0L) / 6(FFS) RWD L4 OD FI

CHEROKEE 2WD $ 959 17 21 18 18 27 21 242( 4.0L) / 6(FFS) RWD M5 OD SIL FI

GRAND CHEROKEE 2WD $ 1014 15 21 17 17 26 20 242( 4.0L) / 6(FFS) RWD L4 OD FI

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Yea.. I drive a Jeep and I'm on a fuel economy site, but you just wouldn't understand... "It's a Jeep thing!" *Jeep Wave*

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Old 12-21-2007, 06:10 PM   #2 (permalink)
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Unadjusted numbers are exactly what the dyno spits out after the car is done. The EPA adjusts the numbers to make them 'more accurate' for how cars are driven today. I believe the unadjusted numbers are what CAFE uses and what are being used in the bill that was just passed the other day requiring the 35 mpg fleet average by 2020. Sadly, this is nowhere near 35 mpg EPA rating.
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Old 12-21-2007, 06:28 PM   #3 (permalink)
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Join Date: Dec 2007
Location: The Dale, IL (or A-Dale)
Posts: 1,120

The Jeep! - '95 Jeep Grand Cherokee ZJ Laredo
90 day: 23.75 mpg (US)

The Caliber - '07 Dodge Caliber R/T
90 day: 30.6 mpg (US)

The 'Scort - '98 Ford Escort LX
Thanks: 0
Thanked 7 Times in 6 Posts
HA!! I'm getting better than even the dyno combined FE. That's pretty hilarious to me.

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