KTM X-Bow GT4

Summary
The KTM X-Bow GT4 was added in the ? Update as a ? Class ? car with the following statistics:


 * Starting rank: ?
 * MAX rank: ? (+?)
 * MAX+PRO rank: ? (+?)
 * Tuning Kit bonus: +?
 * Stock to MAX+PRO rank difference: ?
 * Speed Modifier: ?
 * Nitro Efficiency: ?