Start with what the Maserati 228 is: a car with gasoline engine, from Maserati. What it meant takes a little longer.
What is underneath
The engine is gasoline engine. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Its place in the line
Nearby in the Maserati catalogue sit the Maserati 150S and the Maserati 200S.
The record
The open record for the Maserati 228 carries no verified engine, output, weight or price yet. MotorJury does not fill gaps with guesses; this entry gives the model a home in the catalogue and grows as sourced specifications and photographs arrive. Corrections: corrections@motorjury.com.