Recommended shifting speeds
Subaru Impreza / Subaru Impreza Owners Manual / Starting and operating / Manual transmission – 5 speeds (except STI) / Shifting speeds / Recommended shifting speeds
The best compromise between fuel economy and vehicle performance during normal driving is ensured by shifting up at the speeds listed in the following table.

See also:
High levels of standard equipment
Levels of standard equipment have been increased across the range. All models
are set to feature electric windows and mirrors, a 60/40-split fold-down rear
seat, outside temperature gauge, a multi ...
Recommended grade and viscosity
CAUTION
Use only engine oil with the recommended grade and viscosity.
NOTE
Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity
provide better fuel economy. However, in ...
Dimensions
*1: Measured with vehicle empty ...
