2019 Micra S 5 speed Manual transmission
bought new in spring 2020

12.12 km/litre on highway(8.25 litre/100km)
thats like 34 mpg (Imperial gallon Canada)

in town its 8.86 km/liter
i do around 25 mpg (imperial gallon) in town
(11.28 litre/100 km)

26 December 2023 (Winter started)
snow tire studded
Regular gas
-5 C to +5 C temp outside
no snow, no ice to rain during that trip
not to much wind
tires inflated to 31 psi
doesn't look like the brake are dragging on car
Driving 110 to 120 km/hours
small hill on Highway

Bad mileage

What can i do to improve mileage?