Article contentWhen the Q9 and SQ9 arrive in the third quarter of this year, the Q9’s powertrain lineup will mirror that of the new Q7, which is not such a bad thing! This would put in it a 2.9L twin-turbo V6 that pushes a healthy 429 hp and 442 lb-ft in the Q9. It promises a five-second run to 100 km/h. Step up to the SQ9 and a 4.0L twin-turbo V8 finds its way under the hood. With 591 hp and 590 lb-ft of torque on tap, it should drop the run to 100 km/h by a full second!