Saab detractors use it in polite conversation to mean they think the car looks ugly.
Saab fans use it in virtually every conversation to mean unusual, fun, exotic.
What it really means is that no matter how you feel about the car, a Saab is unlike any other. It's so distinctive you'll never lose it in a parking lot. For while Saabs have always been distinctive, they have rarely been flashy. They are tall, roomy, and known for safety features. Saab owners tend to favor paint schemes of gray, dark blue or black.