Caption:infobox automobile generation

{{Infobox Automobile generation | image = [[File:Nissan Skyline R31 2000 GTS-R 002.jpg|250px|1985-1988 R31 GTSR]] | name = R31 | layout = [[FR layout]] | aka =7th SKYLINE(1985-1987) | production = 1985-1989<br>309,716&nbsp;units sold | body_style = 4-door [[sedan (car)|sedan]]<br>4-door [[hardtop]]<br>2-door [[coupe]]<br>4-door [[station wagon]] | platform = | engine = 1.8&nbsp;L ''[[Nissan CA engine|CA18I]]'' [[I4 engine|I4]]<br>2.0&nbsp;L ''[[Nissan CA engine|CA20E]]'' [[I4 engine|I4]]<br>2.0&nbsp;L ''[[Nissan RB engine|RB20E]]'' [[Straight-six engine|I6]]<br>2.0&nbsp;L ''[[Nissan RB engine|RB20ET]]'' [[Straight-six engine|I6]] <br>2.0&nbsp;L ''[[Nissan RB engine|RB20DE]]'' [[Straight-six engine|I6]]<br>2.0&nbsp;L ''[[Nissan RB engine|RB20DET]]'' [[Straight-six engine|I6]]<br>2.0&nbsp;L ''[[Nissan RB engine|RB20DET-R]]'' [[Straight-six engine|I6]]<br>3.0&nbsp;L ''[[Nissan RB engine|RB30E]]'' [[Straight-six engine|I6]]<br>2.8&nbsp;L Diesel ''[[Nissan RD engine|RD28]]'' [[Straight-6|I6]] | transmission = | length = {{convert|4650|mm|in|1|abbr=on}} | width = {{convert|1690|mm|in|1|abbr=on}} | height = {{convert|1385|mm|in|1|abbr=on}} | weight = | wheelbase = {{convert|2615|mm|in|1|abbr=on}} | related = [[Nissan Laurel#Fifth generation (C32) (1984-1989)|Nissan Laurel]]<br>[[Nissan Leopard#Second generation: F31 (1986-1992)|Nissan Leopard F31]]<br>[[Nissan Pintara]] | assembly = [[Tochigi, Tochigi]], [[Japan]] | fuel_capacity= }}