3.0L turbocharged DOHC I-6 (S80 T6)

281 hp/295 lb.-ft.

+ Thrust without fuss

- BMW does it better

= Seems like a dead end

3.2L DOHC I-6 (S80 3.2)

235 hp/236 lb.-ft.

+ All the I-6 NVH advantages

- Does it have to be sideways?

= Square peg, round hole