The Volvo 340 is a car from Volvo. Under the bonnet: Renault F8M. The total made was 472,434.
What is underneath
Power comes from Renault F8M. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Its place in the line
Nearby in the Volvo catalogue sit the Volvo 144 and the Volvo 264 TE.