Edmunds’ Inside Line pits the Ford Shelby GT500 against Hennessey Performance’s HPE550 Camaro in this muscle car showdown. They “drove these two all-Americans on the street, at our test track and on the Dynojet chassis dyno at MD Automotive.” Video after the break. Click here for first picture in gallery.

Sure, the Hennessey car bounces along its rev limiter during the run, while the GT500’s engine is always composed. But quicker is, fundamentally and unalterably, quicker.

[via Edmunds]