I have a buddy with an SRT8 pushing around 750hp after a ton of mods, engine boring, blower etc.. It's a bad a$$ truck, but I still prefer my X5 as it drives 100x better, feels more solid and the quality of materials in the cockpit are lightyears above the SRT.

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Current Bimmer
2004 X5 4.4i Sterling Grey Sport/Premium

Past Bimmers
1991 318I Alpine White
1995 740I Alpine White
1991 525I Schwartz
1998 323IS Scwartz
2004 330CI Cabrio Titanium Silver Metallic
1995 540I Schwartz
2000 Z4 3.0 Titanium Silver
2000 330ci Coupe Titanium Silver