Start with what the Isuzu i-Series is: a car with gasoline engine, from Isuzu. What it meant takes a little longer.
The engineering
The engine is gasoline engine. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Where it sits
Its Isuzu stablemates include the Isuzu Gemini and the 4000 Series Medium Duty.
The record
The open record for the Isuzu i-Series 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.