why are the bodies so differnt on 2 '08 G6 GXP so differnt? I don't understand, Even the taillights are differnt...WHY???

http://www.autotrader.com/fyc/vdp.jsp?ct=u&car_id=271804475&dealer_id=56013662&car_year=2008&engine=&fuel=&lastStartYear=1981&sort_type=priceDESC&systime=&default_sort=priceDESC&drive=&style_flag=1&body_code=0&sownerid=93613&seller_type=b&min_price=&color=&model=G6&keywords_display=&advanced=&distance=100&doors=&keywordsrep=&highlightFirstMakeModel=&awsp=false&search_lang=en&showZipError=y&rdm=1262891933440&marketZipError=false&keywordsfyc=&search_type=both&transmission=&max_price=&max_mileage=&end_year=2009&make=PONT&start_year=2008&num_records=25&certified=&make2=&page_location=findacar%3A%3Aispsearchform&address=28377&first_record=51&pager.offset=50&cardist=104&standard=false

http://www.carmax.com/enUS/view-car/default.html?AVi=27&id=6234857&N=4294966880&D=90&ASTc=gxp&zip=28377&pD=0&pI=0&pT=400&pC=200&pB=0&No=20&Ep=homepage:homepage%20Make&Rp=R&PP=20&sV=List&CD=14+240+190+398+9&Q=5d991dfa-afe3-45ee-9238-9ba3799a35fc

First one's a 4 door; 2nd is a 2 door. Completely different sheet metal rearward of the front fender ;)

oh, well thanks...I guess I like the coupe better...