Ascenders are powered by a 4.2-liter inline six-cylinder rated at 285 horsepower and 276 pound-feet of torque. Based on GM's midsize truck-based SUVs like the Chevrolet TrailBlazer, the Ascender offers slightly tweaked styling -- including a different front grille and bumpers, unique lighting and Isuzu-specific wheels -- as well as minor interior fabric and trim variations. Low miles for an SUV of this year in Texas GREAT TIRES WITH LOTS OF TREAD