It's annoying.
SJ-410Q - Soft Top, Hard Doors
SJ-410 - Soft Top, Half metal doors
SJ-410V - Half the time this is the Tin Top, other times it is the Tin Top with metal over the windows so it qualifies as a Van. Usually the V model is the Tin Top with no windows.
SJ-410VW - The Tin Top with Windows.
SJ-410K - Truck model
Official Stats of the SJ-410Q in 1982
Length - 135.4"
Width - 57.5"
Height - 66.5"
Wheel Base - 29.9"
Ground Clearance - 9.1"
Kerb Weight - 1870lbs
Gross Weight - 2728 lbs
Maximum Load - 528 lbs
45 GHP at 5500 rpm
54.2 lb. ft. at 3000 rpm
Tire Size - 195 SR 15
Turning Radius - 16ft 1in
Tank Capacity 8.8 Imp. Gallons
SJ-410V Changes
Length - 135.4 in
Height - 66.5 in
SJ-410K Changes
Length - 153.1 in
Height - 66.1 in
Wheelbase - 93.5 in
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Fun fact, the AM single band radio with pillar mounted retractable antenna was only an option on the SJ-410VW

Fun fact two, the SJ-410 was the heaviest of the three models, heavier then the tin top by 22 pounds.
For some reason, the Canadian SJ-410 in 82 had disk brakes up front, where the British on had drums all around. No idea why.