What about the speed? Two TR1 as main trusters ... The Aurora speed is 150 m/s with a TR3 and the Mustang Alpha flight at 200 m/s with two TR2.
Cloud Imperium
It's planned to fall between both of those ships, and keep in mind, the Aurora has a single thruster where the Reliant has 2.
starfarer.space · Q&A: MISC Reliant - Part II