2005 Pontiac Bonneville GXP Interior Northstar V8** Engine : V8, DOHC, front engine FWD Displacement : 4,565 cc Valve : 32 valves, 4 valves per cylinder Transmission : 4-spd automatic Fuel economy : city - 17 mpg highway - 24 mpg Suspension : F - Independent MacPherson strut R - Independent MacPherson strut Brakes : F - Vented discs R - Solid discs Horsepower : 275 hp @ 5600 rpm Torque : 300 lb-ft @ 4000 rpm Redline : 6500 rpm Top speed : 158 mph 0-60 mph : 6.6 sec. 0-1/4 mile : 14.8 sec @ 95.0 mph 60-0 braking distance : 126 ft 200 ft skidpad : 0.81 g Curb Weight : 3790 lbs Overall length : 202.6 in. Wheelbase : 112.2 in. Overall Width : 74.2 in. Height : 56.6 in. Air Pump