Driven with me and my Father in the van and a stove in the back for half the distance. ScanGauge II Not calibrated. 3.20 Gallons Used; 200 FWT Max; 86.3 Miles; 4225 RPM Max; 2.3 Hours; 68 MPH Max; 36 MPH AVG; $10.3 Cost. I tried accelerating fast (At about 50 TPS) later on and pulse and gliding. Odometer reading: 131,920