Burns' limo, has a mace on the rear inside pillar. Mr.Burns drives it recklessly when acting as his own chauffeur, and is praised by the police for doing so. (Season 5 or 6) This suggests Burns' 1st time driving,. though just before his campaign for governor, he drove Homer to his house in it with no apparent problems. (Season 1) Knocked Bart off his skateboard in the episode "Bart get hit by a car", and was likely driven by Smithers then. Appears to be a Rolls Royce or an amalgamation of other cars' decorations from pricey brands.