Steve and Lisa Lefferts’ 1994 Lamborghini Diablo SE30 ‘is the culmination of all our lifelong passion for Lamborghini,’ she says. T.J. Kirkpatrick for The Wall Street Journal By A.J. Baime ...

The replies to this morning’s Question Of The Day, when we asked for your favorite purple cars, made one of those facts known: Purple is, unquestionably, the best car color.

If you happen to see a purple Lamborghini Aventador cruising down I-15 around Salt Lake, make sure to give Condon and his dog, Oskar, a wave. If you’re lucky, ...