The Isuzu Ascender comes in two lengths, and it is the shorter of the two that's the better vehicle, at least from a driving standpoint.The 5-Passenger model has no trouble ascending to highway speeds. Inline six-cylinder engines are naturally balanced, and the Ascender's inline-6 is smooth and quiet. It idles so smoothly that it's sometimes hard to tell it's running. This 4.2-liter engine generates 275 horsepower and 275 pound-feet of torque. It's a wonderful engine, more powerful than many V8s.
It's thirsty, however, EPA-rated 15/20 mpg City/Highway on 4WD models. It comes with GM's four-speed automatic transmission. Called the Hydra-Matic, this transmission has proven itself over the years and many miles in the TrailBlazer, but it doesn't seem to let the engine achieve its full potential.
We found the ride excellent, very smooth without being too soft. The 5-Passenger models are easy to maneuver in crowded parking lots, with tight turning circle of 36.4 feet. Ascender uses an independent front suspension and a live rear axle with premium-quality Bilstein monotube shock absorbers.
We found the 4WD model impressively stable on washboard surfaces. 4WD versions come standard with traction control. When it rains, snows or turns icy, the driver can select the automatic mode and the system will distribute power to the four wheels as needed. For driving off road, the 4-Hi mode provides for a 50/50 front/rear split in the engine's power. Shift into 4-Lo and the Ascender can ascend steep grades, plow through deep snow, or slog through slimy mud. For dry conditions, select 2-Hi for rear-wheel drive and best fuel economy.