Big Ugly Import Car Killer (Buick backronymic nickname)

Buick is a luxury vehicle brand of General Motors that began in 1899. Buick has been given the backronym (back acronym) of “Big Ugly Import Car Killer” since at least 1996. The backronym “Big Ugly Indestructible Car Killer” has also been cited in print since at least 1996.
 
   
Wikipedia: Buick
Buick /ˈbjuːɨk/ is a luxury vehicle marque of General Motors (GM). Buick models are sold in the United States, Canada, Mexico, China, and Israel. Buick holds the distinction as the oldest active American make. Buick models share some architecture with other GM brands.
 
Google Books
Car Crazy:
The Official Motor City High-Octane, Turbocharged, Chrome-Plated, Back Road Book of Car Culture
By Dean D. Dauphinais and Peter M. Gareffa
Detroit, MI: Visible Ink Press
1996
Pg. ?:
Buick Big Ugly Import Car Killer
 
HumourNet (24 October 1996)
BUICK
Big Ugly Indestructible Car Killer
 
Google Books
A Bawdy Language:
How a Second-Rate Language Slept Its Way to the Top
By Howard Richler
Toronto, ON: Stoddart
1999
Pg. 124:
BUICK: Big, Ugly Indestructible Car Killer
 
Google Books
Street Smart Secrets to Auto Care You Can Trust
By Joe Sanfellipo and Andrea Glass
Carlsbad, CA: White Tiger Press
2001
Pg. 121:
BUICK Big Ugly Import Car Killer
 
Urban Dictionary
Buick
Buick, also know as B.U.I.C.K. (Big Ugly Import Car Killer) is a fine luxury automobile that has a reputation for crushing or mutilating any vehicle that comes in its path, due to its heavy constuction of thick sheet metal and heavy metal parts.
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by All,Asians,Have,Tiny,weeners March 04, 2010