The Ford 6.7 Powerstroke engine gets 16 mpg on average. It can increase to up to 21 mpg on the highway.
Owners report that it gets 9 mpg while towing heavy load, and 20 mpg with no load.
If you have less cargo, drive slower and steady, and have tailwind you will get higher fuel mileage.
The 3rd generation started in 2020.
500k engines were sold in 2011-2014, was gen 1.
Gen 2 was 2015-2019
- Fuel pump failing
- Turbo charger bearings failing
- EGT sensor fail
- EGR cooler issues
- Nitrogen oxide sensor
- Injection Pump Failure
- Engine 2011 had weak glow plugs
- Radiator Coolant Leaks
Here is a video of things that are wrong:
660 @ 1600 rpm to 1050 at 1800
HP 270 to 475
B20 Biodiesel Compatible & Ultra Low Sulfur Diesel
Weight is 1100 lbs wet
6,700 cc (406 cu in)
Aluminum Cylinder head
Compacted graphite iron Cylinder block
Compression Ratio 16.2:1
powdered-metal cracked-cap connecting rods
4 valves per cylinder
oil change due every 7.5k miles/1 year
475 HP, 1050 lb-ft
compare to gas at 385 HP, and 430 lb-ft
Can last 500k miles or more.
Overall the 6.7 is very reliable and much better than 6.0 and 6.4. The 6.7 gets 18% better mpg than the 6.4.