In 1997 for MY 1998, the 3.4 L V6 was replaced by the 3800 Series II which produced and of torque. Despite its increased torque, the 3.8 L LTZ demonstrated slightly worse performance due to its lowered horsepower, with 0-60 mph (0–97 km/h) times of 7.5 seconds (as opposed to 7.2 seconds for the LQ1) and 1/4 mile (~400 m) times of 15.7 seconds (as opposed to 15.5 seconds for the LQ1). The car has a computer-limited top speed of and the rev limiter kicks in at 5,800 rpm for the 3.8 L (rev limiter is at 7,000 rpm for the 3.4 L LQ1).