The Volvo T6 engine, a 3.0-liter turbocharged inline-six, isn't wanting for power; even so, Volvo has released a line of software upgrades to give the powerful motor a bit of extra get-up-and-go.

Slow isn't a word we'd use to describe Volvos equipped with the 3.0-liter turbocharged I-6 engine, but owners who want a bit more oomph under the hood can now purchase factory-authorized engine ...