The 1987 Buick Regal Grand National is an iconic American muscle car known for its aggressive looks and impressive performance.Engine and Performance:Engine: 3.8-liter (231 cu in) turbocharged V6Horsepower: 245 hp at 4 400 rpmTorque: 355 lb-ft at 2 800 rpm0-60 mph: Approximately 6.1 secondsQuarter-Mile Time: Around 13.8 secondsTransmission: 4-speed automatic (Turbo-Hydramatic 200-4R)Drivetrain: Rear-wheel drive (RWD)Exterior:Body Style: 2-door coupeColor: Predominantly black with 'Grand National' badging and decalsWheels: 15-inch aluminum wheels with black centersInterior:Seats: Cloth bucket seats with 'Grand National' embroideryDashboard: Analog gauges with a digital boost gaugeSteering Wheel: Leather-wrapped with a 'T' designRadio: Delco AM/FM stereo with cassette playerAir Conditioning: StandardSuspension and Brakes:Suspension: Front independent with coil springs rear solid axle with coil springsBrakes: Power-assisted front disc brakes and rear drum brakesSteering: Power steeringDimensions:Wheelbase: 108 inchesLength: 200.6 inchesWidth: 71.6 inchesHeight: 54.6 inchesCurb Weight: Approximately 3 545 poundsNotable Features:Limited Slip Differential: StandardPerformance-Oriented Gear Ratios: Optimized for accelerationHigh-Flow Exhaust System: Contributing to the car's performance and distinctive soundTurbocharged and Intercooled Engine: Offering significant performance gains over the standard RegalThe 1987 Buick Regal Grand National was the final year of production for the Grand National model making it particularly desirable among collectors. It's known for being one of the fastest American production cars of its era.