Yes that's right. Considering a car is typically at least 1.7m in width, if should fit easily.
Batch 2 of KerberosSDR is currently available for preorder at http://indiegogo.com/projects/kerbeross ... t-rtl-sdr/. Because it's in preorder it's already discounted, unfortunately we can't discount any further right now.
Discuss KerberosSDR - 4x Coherent RTL-SDR