2021 Subaru Legacy

Full-Size Sedan Regular
Subaru Legacy 2021
30MPG Combined
2 Trims
Updated February 27, 2026

The 2021 Subaru Legacy Full-Size Sedan provides 27–30 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2021 Subaru Legacy Specifications

SpecValue
Combined MPG27–30 combined MPG depending on trim
City MPG27
Highway MPG35
Body StyleFull-Size Sedan
Fuel TypeRegular
DriveAWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
4 cyl27/35/302.5L 4cylAutomatic (AV-S8)
4 cyl24/32/272.4L 4cylAutomatic (AV-S8)

Annual Fuel Cost

Based on EPA estimates, the 2021 Subaru Legacy costs approximately $1,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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