Comment by diblasio

Your numbers are a bit higher than what I get here in NL. Even in winter (0-5°C), my EV stays below 19 kWh/100km, and in ideal conditions (20-25°C), it’s around 15 kWh/100km. Data from Teslamate (sorry for the ugly format):

Temp: 35°C | Efficiency: 77.3% | Consumption: 177 Wh/km | Avg Speed: 94.6 km/h Temp: 30°C | Efficiency: 70.6% | Consumption: 194 Wh/km | Avg Speed: 75.8 km/h Temp: 25°C | Efficiency: 88.7% | Consumption: 154 Wh/km | Avg Speed: 64.6 km/h Temp: 20°C | Efficiency: 93.8% | Consumption: 146 Wh/km | Avg Speed: 61.9 km/h Temp: 15°C | Efficiency: 81.1% | Consumption: 169 Wh/km | Avg Speed: 55.8 km/h Temp: 10°C | Efficiency: 79.9% | Consumption: 171 Wh/km | Avg Speed: 54.9 km/h Temp: 5°C | Efficiency: 77.0% | Consumption: 177 Wh/km | Avg Speed: 54.5 km/h Temp: 0°C | Efficiency: 73.0% | Consumption: 187 Wh/km | Avg Speed: 50.2 km/h