Vehicle sizes (for Orky kitbashers/scratchbuilders.

[Spevna]

Found this online and am just copying and pasting it.

It goes: Tank name,Height,Width and then Length:

Battlewagon: 3" tall without turret, 5" tall to top of turret, 3" wide, 6.5" long
Chimera: 2" tall, 3.6" wide, 4.5" long
Rhino: 2" tall, 3" wide, 5" long
Trukk: 3" tall, 2.5" wide, 5.5" long
Deffdread: 3.5" tall, 2.5" wide (feet)
Killakan: 2" tall, 1.5" wide (feet)
Landraider: 2.5" tall, 5" wide (no sponsons), 6.25" long
Stompa: 9" to top of head 12" to smokestacks 7" wide (bottom of skirt) 7" long (bottom of skirt)
wartrakk: 1" tall without driver/gunner, 1.5" wide, 4" long
Leman Russ: 3" tall to turret, just over 2" tall to tracks, 4" wide without sponsons, 4.75" long
warbuggy: 2" tall to gunners head, just over 2" wide, 3.5" long
fighta/bomma kit: ~22,5cm wide, ~22cm long, hull 18cm.
skorcha kit: Trakk: 3.75"L 1-3/8" W 2.25"H, w/storage tank: 5-7/16" L 1-3/8"W 2.25"H

Gargantuan Squiggoth: 9" tall, 5 1/2" wide, 13" long
bikerboss: 2" tall to head, 1.5" wide, 4" long
big trakk: 2.5" tall, 3 3/8" wide, 6 1/4" long
krusha tanks: 5.5" tall, 4" wide, 8" long
Grot Tanks: 50-60mm wide, 60-70ish mm long and about 55mm high with the turret
grot mega-tank: 2.5" tall without turrets, 5" tall to top of turret, 3" wide, 6.5" long

[Primarch]

As far as I was aware, Ork vehicles only came in three sizes: Puny Grot; A Ride for Da Boyz; and WAAAAGH!!!