The 126 is a much heavier car with a longer wheelbase. In my limited experience behind the wheel of SDLs, they are slower and less agile than 124s. I have never driven a 126 on a freeway so I also have never made a long trip in one. The turning radius of a 124 is one of the best features of the car.

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87 300D 265Kmi
Factory rebuilt crate 603.96x engine at 200K