2021 Chevrolet Tahoe Police 4WD for sale. At the heart of the 2021 Tahoe PPV is a 5.3L V8 VVT with direct high-pressure fuel injection laying down the law with 355 hp and 383 lb-ft of torque. The engine is mated to a 10-speed automatic transmission, with AutoTrac four-wheel drive. Fully boxed steel frame with high strength steel roll formed, hydroformed and stamped rails, design optimized for safety and crashworthiness, durability and stiffness. The Tahoe's Heavy-duty police-rated suspension is full independent suspension with monotube dampers, linear coil springs, 35mm solid front stabilizer bar and 32mm hollow rear stabilizer bar. PPV trim height is 20mm lower than civilian model for robust yet agile handling to effectively engage even the most evasive of offenders. Performance-optimized heavy-duty clutch-type limited slip rear differential enables responders to get a grip against slippery situations. Aside from the 900-amp main battery for the unit's primary functions, there's a 760-amp auxiliary battery that can be used to power emergency equipment. Unique calibrations to the PPV Tahoe recognize continuous high performance driving in Auto 4WD Mode, the stability system will automatically enter Pursuit Mode. Two-piece front skid plates, heavy-duty aluminum front underbody shield that starts behind the front bumper and attaches to the front fascia. It protects front underbody components and oil pan.