A quick comparison chart for all the GBs I have done for the SD setting (& a few others)
First generation gunboats
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Bellerophon 2785 4500 72fa 8/12 - - 2 - 35 A 0 TR 604
Dauntless 2785 7300 90fa 6/9 2 2 - - 37 A 0 RWR/TR 667
Dauntless_A 2796 7300 90st 6/9 2 2 - - 37 A 0 RWR/TR 525, AMS
Warlord 2785 9700 72fa 3/5 - - - 6 35 S 12 TR 506
Warlord_A 2795 9700 72st 3/5 6 - - - 27 S 12 TR 399
Goliath 2785 12000 99fa 5/8 1 2 - - 32 A 20 TR 797
Mastodon 2787 15000 90fa 5/8 - 3 2 - 40 S 12* TR 709, 12 SC, tug
Firebird 2785 17900 90fa 8/12 4 4 - - 33 A 4* RWR/TR 896, 4 SC
Firebird_A 2796 17900 90st 8/12 4 4 - - 22 A 4* RWR/TR 807, AMS, 4 SC
Juggernaut 2786 20000 72fa 3/5 - 4 - 8 40 S 36 TR 688
These might be called 1½ generation gunboats...
Pendragon-E 2794 4000 75st 7/11 - - - - 48 S 0 FS 414
Pendragon-M 2794 4000 75st 7/11 1 - - - 33 S 0 FS 315
Cele. Intruder 2796 3000 74st 4/6 - - 2 - 30 S 2 CC 290
Leopard-GB 279? 1600 31st 4/6 1 - - - 15 A 0 TC/MC AMS
Achilles-M 2796 4500 54fa 8/12 2 - - - 26 A 0 DC Unsound!
Interdiction 2795 4000 72st 7/11 1 - - - 44 S 0 DC
Second generation gunboats
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Freebooter 2787 3500 36st 3/5 3 - - - 4 A 0 FWL/DC+ 148
Impala 2794 2900 54st 4/6 2 - - - 14 A 0 FS 205
Divine Fury 2792 1900 29st 4/6 1 - - - 18 A 0 CC 252
Mule-mk1 2740 11200 36st 3/5 6 - 4 - 14 S 6 CC/All 263, 1640
Mule-mk2 2740 11200 36st 3/5 8 - - - 14 S 6 CC/All 264, 1900
Mule-mk3 2740 11200 36st 3/5 6 4 - - 14 S 6 CC/All 274, 1120
Seeker SW-1 6700 72st 5/8 - 3 2 - 21 S 2 TR 287
Jian SW-1 6500 144st 6/9 - 1 2 - 40 A 18 CC 702, AMS
Third generation gunboats
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Jäger 2786 12000 180st 8/12 - - - 2 91 S 6 LC 916, 1k
Okha 2798 6000 162st 6/9 3 - - - 31 S 0 DC 455, 1k
Piranha-mk1 2798 5000 135st 4/6 3 - - - 12 A 0 TR 337, 1k, AMS
Piranha-mk2 2796 5000 135st 4/6 - 4 - - 12 A 0 TR 330, 1k
Ryerson 2799 8400 144st 4/6 4 - - - 20 S 6 FWL 360, 1k
Gepard 2799 4500 144fa 6/9 2 - - - 20 S 0 TR 373, 1k, AMS
Standard 2812 12400 270st 7/11 4 - - - 28 S 0 FS/TR 685, 1k
NikeII(TR) SW-2 9000 216st 6/9 4 - - - 39 S 0 TR/RH 644, 1k, AMS
Menshen SW-3 34500 360st 5/8 10 - - - 98 S 12 CC 1751, 1k
SDS Drone ships
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Prowler 4000 75st 7/11 - - - - 40 S 0 TR/SDS Drone(3/4)
Sentinel 12000 180st 6/9 4 - - - 21 S 0 TR/SDS Drone(3/4), AMS
Other Designs
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Cheetah 2787 4500 144fa 6/8 - - - - 35 S 0 TR 530, 4M/4HV/500
Dione 2740 7000 45fa 5/8 - - - - 34 A 18 TR 495, 2SC/416
Anchorage 2772 7200 108st 3/5 - - - - 56 S 0 TR 731, 36HNV/200
Victory 2784 8600 54st 3/5 - - - - 38 A 0 TR 605, 36HV/1550
Citadel 2787 15000 90st 3/5 - - - - 66 S 0 TR 690, 36M/36HV/350
Yeomen 2787 16000 72st 3/5 - - - - 36 S 0 TR 682, 12M/24HV/108LV
name intro mass armor Acc KW WS Ba AR Sec A/S Ftr Nation Cost/Notes
Tiamat 3079 36000 219Hfa 5/8 - - - - 50/63 S 6 WoB/SDS Drone(4/5), AMS
Dragau 3065 2500 66Hfa 9/14 - - - - 33 A 0 WoB/SDS Drone(4/5), AMS
Interdictor 9400 113st 7/11 - - - 2 39/2 A 0 WoB 1125
Arondight 12000 68st 5/8 Kr - 8p 4 29 S 0 FS 630
Nike (Arkon) SW-4 12000 216st 6/9 4 - - - 43 S 6 Arkon 681, 1k, AMS
Raptor SW-4 1500 117st 8/12 - - - - 22 A 0 320, AMS
