
In terms of dimensions, it is similar to the GL8, with a length, width, and height of 517019901740mm, and a wheelbase of 3060mm. Power Comparison: The Sienna is equipped with a 3.5L naturally aspirated engine, while the GL8 comes with a 2.0T turbocharged engine. In terms of power output, the top-end version of the Sienna is more powerful than the top-end version of the Buick GL8. Body Data Comparison: The latest top-end version of the Sienna has a length, width, and height of 5085(mm)x1984(mm)x1796(mm) and a wheelbase of 3030(mm). The latest top-end version of the Buick GL8 measures 5219(mm)x1878(mm)x1799(mm) with a wheelbase of 3088(mm). Overall, the top-end version of the Sienna is shorter in length compared to the top-end version of the Buick GL8, and its wheelbase is also slightly shorter than that of the Buick GL8's top-end version.


