The Lucerne is a sleek full size sedan with enough chrome to remind you it's a Buick. Engine choices include a 3.9L V-6 or a DOHC 4.6L V-8. While most competitors have 5 or 6-speed automatics, the Lucerne makes do with 4-speed transmission. The Northstar V-8 in the sporty Lucerne Super is tuned for more power and has a shorter final drive ratio for better acceleration. Stabilitrak stability control is standard on all models.