Vehicle2026 Honda Civic Sedan Si
2026YearHondaMakeCivic Sedan SiModel
Preset comparison vehicle; fuel fields remain editable
Fuel comparison
2026 Honda Civic Sedan Si vs 2026 Mazda Mazda3 5-Door
Compare estimated yearly fuel costs for two mid-size vehicles using Canadian fuel consumption ratings.
Lower yearly estimate2026 Honda Civic Sedan Si
Estimated annual difference$105
Vehicle classMid-size
Driving assumptions
City / highway50% / 50%
Cars to compare
Pick a rating, then adjust the L/100 km if your driving differs.
Vehicle2026 Mazda Mazda3 5-Door
2026YearMazdaMakeMazda3 5-DoorModel
Preset comparison vehicle; fuel fields remain editable
Annual cost comparison
Ranked by estimated fuel cost using your scenario.
Largest yearly gap$105
1
2026 Honda Civic Sedan Si
7.5 combined L/100 km1510.0 L/year
$2,643Lowest fuel cost
2
2026 Mazda Mazda3 5-Door
7.8 combined L/100 km1570.0 L/year
$2,748$105 more/year
Based on 20,000 km/year at $1.75 per litre.
Long-term fuel spend
Assumes the same kilometres, city/highway split, efficiency, and fuel price each year.