Yes, that's a stock Civic Si Hatchback. I owned an '87 Civic Si Hatchback for a few years before I purchased my 96SE. My Civic Si would average 35MPG in the city and 45-47MPG on the highway. With only 90HP, it was still surprisingly quick, because it didn't weigh much at all. On a 'controlled course,' it could sprint up to 127MPH. A 5-speed manual was the only transmission choice, aiding with the acceleration and fuel economy. The back seats could slide fore and aft. The 'trunk' was only about 10 inches of space behind the rear seats.
The 'Si' badge meant that it came standard with 'sporty' body molding, a sunroof, air conditioning and fuel injection (the other Civics were still had carbs). My biggest complaint was that it didn't have cruise control (or at least mine didn't!). In addition, those 1.5L engines were known to have overheating problems due to a design defect -- I installed a special head gasket just to try to alleviate this common overheating issue (it worked somewhat). It was a fun car, but I've put many more miles on my sportier and more comfortable 96SE.