Charts & Statistics

Understanding fuel trends, cost analysis, and efficiency graphs

chart graph statistics analysis fuel efficiency cost trends

What charts are available?

My Cars offers several chart types:

Fuel & Efficiency:

  • Fuel efficiency over time - Track your consumption trends
  • Fuel price over time - Monitor fuel price changes
  • Monthly fuel efficiency - Efficiency aggregated by month
  • Estimated autonomy - Driving range on a full tank

Costs:

  • Cost pie chart - Breakdown of all costs (fuel, services, bills)
  • Running costs pie chart - Service, refuels, and bills only
  • Monthly running costs - Costs aggregated by month
  • Running costs over time - Cost trends

Vehicle:

  • Car odometer over time - Mileage progression
  • Vehicle devaluation - Estimated value over time

How do I access charts?

  1. Open the navigation menu
  2. Tap Charts
  3. Select the chart you want to view
  4. Use swipe gestures to explore data points

How do I customize chart display?

While viewing a chart:

  • Avg - Toggle average line display
  • Scale - Adjust Y-axis scaling
  • Highlight - Emphasize specific data points
  • Left/Right axis - Configure dual-axis display

How do I export a chart?

  1. Open the chart you want to export
  2. Tap the Export chart button (share icon)
  3. Choose your export format or destination
  4. The chart is saved as an image

Why are some efficiency values missing?

Fuel efficiency requires:

  1. At least two refuels to calculate
  2. Full tank refuels (not partial)
  3. Correct odometer readings

Partial refuels can be excluded from charts via Settings > Discard partial refuels in charts.

How do I view cost breakdowns?

To see where your money goes:

  1. Go to Menu > Charts
  2. Select Cost pie chart for full breakdown including:
    • Fuel costs
    • Service costs
    • Bills and expenses
    • Vehicle purchase cost

Or select Running costs for just operational expenses.

View all FAQ