Volvo Cars has a long reputation as a maker of inline (or straight) engines.
The first engine was the inline four-cylinder side valve 28 hp (21 kW) Type DA.
In 2017, Volvo Cars announced they will no longer develop diesel engines.
The table below list the lower limit power required for each emblem in 2010.
[3] Most possible reason of that is a damaged overall reputation of diesel engines for passenger cars after 2015 Volkswagen Group emissions scandal.
Volvo's next major advance was the B4B line of compact inline-four engines introduced in 1944.
The line of multi-valve DOHC engines began with the B234 for the 1989 model year.