In both case you can :
1/use a D10 to randomly determine the reduction or
2/If you want to simplify things, you automatically give a reduction of "5%" not "1 -5%" (I often do it).
In other supplements of Polaris, there is a guide to acquire submarine at a lower cost : the explorer for the smuggler has 25 years (the other ships are
too.)
Price table
State Age Cost Integrity Maneuverability Damage reduction Armor rating Speed/Operating depth
New 0 year 100 % 25 - - - -
As new 1 year 95 % 25 - - - -
2 years 85 % 25 - - - -
Excellent 3 years 80 % 24 - - - -
4 years 75 % 24 - - - -
5 years 70 % 24 - - - -
Correct 10 years / 2 23 -1 +1 -10% -5%
15 years / 3 23 -1 +1 -10% -5%
20 years / 5 22 -1 +1 -10% -5%
25 years / 7 21 -1 +1 -10% -5%
Worn 30 years / 10 20 -2 +2 -20% -10%
35 years / 15 19 -2 +2 -20% -10%
40 years / 20 18 -2 +2 -20% -10%
45 years / 32 17 -3 +3 20% -15%
50 years / 50 16 -3 +3 20% -15%
55 years / 70 16 -3 +3 20% -15%
Very worn 60 years / 100 15 -4 +4 -25% -20%
65 years / 150 15 4 +4 -25% -20%
70 years / 200 14 4 +4 -25% -20%
75 years / 320 14 4 +5 - 25% -30%
80 years / 500 13 4 +5 - 25% -30%
85 years / 700 13 4 +5 - 25% -30%
Garbage 90 years / 1 000 12 -5 +6 -30% -40%
95 years / 1 500 12 -5 +6 -30% -40%
100 years / 2 000 11 -5 +6 -30% -40%
150 years / 2 400 10 -5 +7 -30 % -45%
200 years / 2 600 10 -5 +7 -30 % -45%
250 years / 2 800 10 -5 +7 -30 % -45%
Wreck 300 years / 3 000 9 -6 +9 -40% -50%
350 years / 3 200 9 -6 +9 -40% -50%
For Savage, I’ll ask and I tell you soon.