A little turbo lag, which is disappointing, but otherwise it sounds like Kia's engineers built a fine Grand Touring car. You might be disappointed if you're looking for a track toy, however.
http://www.motortrend.com/cars/kia/stinger/2018/2018-kia-stinger-gt-first-test-review/
http://www.motortrend.com/cars/kia/stinger/2018/2018-kia-stinger-gt-first-test-review/