Your average fuel economy in ATS.

[ferdcasx]

With default SCS engines & transmissions, you can make 7~8mpg(best on single run, not long term). most important thing is your load. try galimim's drive train revisions for better results.

T680 with MX-11 430HP and 2.70diff. 12speed Paccar gearbox. first 10.1mpg(1574miles, 40k load), second 9.3mpg(1563miles, 57k load).
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[tigolebitties]

Vanilla only here, no mods. So I work with what I got.

[nater6540]

Somewhere around 6 - 6.5 mpg at any speed with the Peterbilt 579, and at one point, up to 8 mpg with the Freightliner Cascadia before it suddenly dipped back into the aforementioned 6 - 6.5 mpg territory

[DGAF_AK87]

5.5 - 6 MPG, Peterbilt 389 with 3.36 rears and a 600 horse C-16

[harishw8r]

International LoneStar, 500hp X15 Efficiency, Eaton Endurant

6.2 mpg

Cargo hauled:
Roswell - Eureka, 38000 lb
Eureka - Raton, 44000 lb
Raton - Artesia, 34000 lb
Artesia - Roswell, 52000 lb

[cwat89]

W900 800hp C16, 18 speed eaton with 3.70 rears I get 5.2-5.4 depending on what I'm hauling. I do WoT jobs 99% of the time so the 65mph limit with 3.70s keeps me about 1400 rpm cruising

[Aktemur]

Truck: Kenworth W900 Day Cap
Cargo: Packaged Food 44,619 lbs
Engine: Cummins M11 330HP Double Torque (1250-1350 lb-ft) (realistic engine torque curve)
Transmission: Eaton UltraShift FM-15E310B-LAS R 10 Speed
Destination: Pueblo to Albuquerque
Average Speed: 60 Mph
Fuel Consupmtion: 6.6 mpg

[Aktemur]

Truck: Kenworth W900 Day Cap
Cargo: Fertilizer 50,160 lbs
Engine: Cummins 444 330HP (950 lb-ft) (close to realistic engine torque curve)
Transmission: Eaton UltraShift FM-15E310B-LAS R 10 Speed
Destination: Cheyenne to Gilette
Average Speed: 60 Mph
Fuel Consupmtion: 3.5 mpg

[videogames2111]

how are you all getting good fuel economy? I got like 4 mpg in my 389 hauling silage 1100 miles... even my Cascadia got around 4 mpg hauling reefer with a DD15 505 and a DT12 transmission??? i do drive as fast as the speed limit so that is a reason probably but on the highway when its low rpms doesn't really go up that much

[plykkegaard]

Manuel vs semi-automatic?
Flat vs hills / mountains?