▁respond s ▁by ▁constantly ▁monitoring ▁motion ▁and ▁changing ▁the ▁d amp ing ▁forces ▁at ▁all ▁four ▁corners ▁of ▁the ▁vehicle ▁— ▁to ▁mod ulate ▁body ▁motion ▁during ▁ag gress ive ▁man eu vers ▁or ▁on ▁une ven ▁road ▁surfaces . ▁ ▁Where ▁Che v ro let ▁Cor v ette ▁( C 6 ) ▁was ▁power ed ▁by ▁a ▁ 6 . 0 L ▁L S 2 ▁V 8 ▁engine ▁and ▁offered ▁a ▁six - speed ▁manual ▁transmission , ▁the ▁X LR ▁featured ▁Cad illa c ' s ▁ 4 . 6 L ▁North star ▁V 8 ▁( super charg ed ▁in ▁the ▁X LR - V ) ▁and ▁either ▁a ▁five - speed ▁ 5 L 5 0 ▁automatic ▁transmission , ▁or ▁a ▁six - speed ▁ 6 L 8 0 ▁automatic ▁transmission . ▁Optional ▁X LR ▁equipment ▁included ▁pol ished ▁al umin um - al loy ▁whe els , ▁exterior ▁and ▁interior ▁color ▁options , ▁and ▁different ▁interior ▁trim ▁options . ▁ ▁The ▁X LR ▁featured ▁a ▁silver - p aint ed ▁upper ▁" E gg ▁Cr ate " ▁( X LR ) ▁or ▁chrome ▁wire ▁mesh ▁( X LR - V ) ▁front ▁gr ille , ▁angular ▁front ▁High ▁Int ens ity ▁D isch ar ge ▁( H ID ) ▁front ▁head ▁l amps , ▁vertical ▁rear ▁tail ▁l amps , ▁and ▁chrome ▁exterior ▁details . ▁Inside , ▁the ▁X LR ▁featured ▁wood ▁interior ▁trim ▁in ▁addition ▁to ▁the ▁C 6 ▁Cor v ette ' s ▁al umin um ▁trim ,