Rivian R1S Tri Max (22in) Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2026

76 MPG combined

Latest Model

2026

76 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2026	Electricity EV	81	70	76	$1,000	Details →
2025	Electricity EV	81	70	76	$1,000	Details →