That guy with the goats
- Nov 30, 2010
- Medina, TX
- 2013 JSW 02Q, 2003 Jetta Ute 02J swap, 2003 Golf 02J swap
It's definitely not off. I calibrated my speedometer, so at some of the higher numbers, I might be +1mph. So if it says 55mph, GPS might actually say 56mph. It was way off after I bought the car (like 7-8mph faster than the car's actual speed). Also, when I record fuel economy from my ColorMFA, it's VERY close to what it is hand calculated.If your speedo is off, then so is your odometer. Maybe you weren't getting the mileage you thought you were.