You say a car's headlights determine its personality? What about that red glow haunting every traffic-bound commuter's evening drive? Which car's got the best taillights ever?
There's no way we wouldn't pick the 1967-1970 Mercury Cougar's sequential tails. During the day they've got that cool, snaky design, and at night it's like you're tailgating Times Square, minus the comedy-club hawkers. Ford even reprised the sequentials for the 2010 Mustang GT because they knew they'd once nailed it big time. But the new ones don't hold a candle relay to the old ones.