GMC Sierra 2025 Automatic Gasoline mileage: 22 KM Sierra 2025 Original body Original engine Mileage 22000 First owner Engine / Performance * 5.3L V8 Approximately 355 horsepower Approximately 519 Nm torque * Optional 6.2L V8 420 horsepower Approximately 624 Nm torque * Available 3.0L Duramax Diesel Transmission / Drivetrain * 10-speed automatic transmission * 4WD * AutoTrac system * Driving modes: * Normal * Sport * Off-road * Tow/Haul * Terrain mode Interior * 13.4-inch central screen * 12.3-inch digital cluster * Wireless Apple CarPlay / Android Auto * Wireless phone charger * Multiple USB ports * Ventilated and heated seats * Leather + AT4 embroidery * Keyless start + remote start Safety * Front radar * Adaptive cruise control * Lane departure warning * Automatic emergency braking * Blind-spot monitoring * Front and rear sensors * HD surround cameras * Up to 15 camera angles with some trims (0503700669)