Mileage chapter · measured comparison
See the season your car actually experienced.
Use only full-tank segments. Compare at least three comparable segments in each group, then compare medians. FuelSaathi never inserts a fixed summer or winter coefficient.
The evidence rule
Three measured segments per group.
A segment is one complete fill-to-fill interval: distance divided by litres. Keep route profile, AC use, trip profile, traffic and tyre check close enough to compare. Do not compare a holiday highway tank with a short-city school-run tank.
- 1Tag every full-tank segment: hot, mild or cold-fog.
- 2Record route profile, AC, trip profile, traffic and whether tyres were checked cold against the driver-door placard.
- 3Use the median km/l for each group. Show the delta from mild only after each group has three comparable segments.
Copy this into your private journal
A comparison tag is context, not a verdict.
GroupMinimum evidenceCompare only whenResult
Hot · peak summer3 full tanksroute, AC, trip and traffic are comparablemedian km/l; delta vs mild
Mild · baseline3 full tanksthis is your ordinary comparable referencemedian km/l
Cold-fog · morning3 full tankswarm-up and trip length are comparablemedian km/l; delta vs mild
Read the result: a repeatable lower median is a prompt to inspect the matching context first, tyre placard check, service condition, congestion, AC demand and trip length, not proof that one season is always better or worse.
Why this method is cautious
Weather affects a car; a labelled test does not predict your tank.
DOE and EPA explain that hot and cold conditions can affect fuel economy through temperature, air-conditioning, warm-up and other operating loads. BEE labels are standard-laboratory context, not a substitute for your route. Maruti’s car-care guidance reinforces checking tyre pressure regularly; use the vehicle placard or manual for the correct figure.
Team share card
Seasonal mileage, without a false promise.
Static share versions contain no location or odometer. Add either only when the driver explicitly chooses to include it.
NORTH INDIA WEATHERPeak-summermileage drop?Often normal.
Weather can change the result; it does not promise a direction. SUMMERPeak summerAC, cabin cooling, congestion and idling can pull km/L down.
BASELINEMild weatherA warmed engine on a comparable route is the cleanest reference.
WINTERCold or foggy morningCold starts, defogging and short trips can also lower observed mileage.
Same car • similar route, traffic, AC use and cold tyre checkAC, idling, cold starts, defogging, tyre pressure and trip length all affect observed mileage.
