Pricing on the special models will be announced closer to the on-sale date.
Production will be limited to 700 WRX STI and 500 BRZ cars for the U.S.
The two, which are a follow-up to the 2015 Subaru Series.Blue BRZ, feature exterior paint in Hyper Blue with matching interior trim.
Details on the WRX STI Series.HyperBlue include blue cabin stitching and a leather-wrapped steering wheel, manual transmission shifter boot and console. Exterior cues include 18-inch BBS Black Alloy wheels and black exterior mirrors. The Subaru Starlink 7.0 Multimedia navigation system is standard.
The BRZ Series.HyperBlue features blue leather seat bolsters and head restraints, along with blue stitching in the cabin.
Other details include 17-inch Black Alloy wheels, black glossy badging and black exterior mirrors.
Edmunds says: Subaru continues to work the moody blue theme, which has been a hit with consumers. Since these will be available in such limited supplies, it's best to get in line for them now.