2024 Subaru Ascent Mpg Specs. Detailed specs and features for the 2024 subaru ascent onyx edition including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain. Use our handy tool to get estimated annual fuel costs based on your driving habits.

2024 subaru ascent fuel economy. View full 2024 subaru ascent specifications and features including dimensions, fuel economy, engine, transmission, chassis, safety, exterior, interior, audio, cargo, seating and trim.