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What are you guys getting on average for fuel mileage on your 6.5 turbos. Just curious. Thanks... JOIN NOW TO REMOVE TRACER

chevy 6.5 fuel mileage

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Old 01-23-2010, 01:14 PM
Diesel Fan

Default chevy 6.5 fuel mileage

What are you guys getting on average for fuel mileage on your 6.5 turbos. Just curious. Thanks
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Old 01-23-2010, 10:15 PM
Woody35's Avatar
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I get about 14 to 15 mpg in the winter in the city. I don't drive on the highway much. In the summer I get about 16 to 17. on the highway I bet I would get 20 mpg.

Woody35's Sig:1997 Chevy K1500 4X4 EC/SB L56 6.5TD/4L80E
KOJO Tune, GM-8 Turbo gated @ 15 psi, 2100 PSI Pop Pressure Bosch Injectors,
Bosch Duratherm Glowplugs, Steel Braided Oil Cooler Lines,Relocated D-Tech PMD,Tekonsha Voyager Brake Controller
Autometer Gauges, ARP Headstuds, K47 Air Box , Flowmaster Crossover & 4 Inch Diamond Eye Exhaust
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Old 01-23-2010, 10:18 PM
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welcome to diesel bombers a great place to hang out
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Old 10-06-2010, 10:07 PM


14-20 MPG here. 1996 silverado 2500 4x4 ext cab long bed 6.5 245,000 miles
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Old 10-06-2010, 10:14 PM
Crazy's Avatar
Diesel Bomber


i am getting about 18 to 21 that city and highway

Crazy's Sig:Traded for 94 F-350 turbo blow the motor up little red
1997 3500 Ext Cab 2 Wheel Drive 300,000 plus miles New Trans with up grades for towing Rebuild Rear end 4:11 with
new axles,new injectors, 4" Exhaust , 5" tip, PMD Moved to front Bumper TM 18psi boost,,new LP,boost,EGT and trans gauges and Max E Tork T-Series
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Old 10-07-2010, 12:08 PM
tyler111991's Avatar
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with 4.10 gears i think i get better around town than on the highway because at 65mph im at 2500rpms. i would say 18-20 driving in town and 16-17 in the highway

tyler111991's Sig:1988 F250 XLT Lariat, ZF 5 speed, 4x4, 7.3 N/A IDI, manual glowplug switch
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Old 10-07-2010, 12:13 PM
Crazy's Avatar
Diesel Bomber


let me clear that up i get 15 to 18 highway and 18 to 21 back roads
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Old 10-07-2010, 08:17 PM
muderxtreme's Avatar
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23 mpg highway and about 20 in the city. ive got a half ton, 2wd, with 273s outback though.

muderxtreme's Sig:93 f350 crew, lwb, srw, 4x4, 7.3 idi, zf5, 10.25 rear, Dana front, 4.10s, stockish, 280k

94 c1500 6.5td -sold
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Old 10-13-2010, 04:05 PM
_hollywood's Avatar
Diesel Fan


16 mpg towing a 4k lb trailer 70 mph from WI to VA..... about 19 city..... Im happy with that just a k&n filter

_hollywood's Sig:1998 GMC 2500 W/T 2WD RC/LB 6.5L
107k miles
K&N filter in oem box, removed turbo silencer
Stock Orange paint
former state owned truck
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Old 01-27-2011, 08:05 PM
Diesel Fan


Wow i only get 10 not towing and in the winter. But i think i have boost issues.
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