Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

General Motors option code

N87  — 18-inch wheels

N87 (18-inch wheels): a General Motors factory option code recorded on 1 model across 2005–2006, with installs and price where a source states them.

1 model · 2 model years · 2 sources

Blue-gray 2005 GTO coupe with twin hood scoops and split grille, front three-quarter in a parking lot
2005 Pontiac GTO coupe in blue-gray, with the twin hood scoops added for 2005 Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
2005 Pontiac GTO 18-inch wheels RPO Unknown 1,807 Reported
2006 Pontiac GTO 18-inch wheels RPO Unknown 6,905 Reported

Every row traces to the source it links from on that model's own year page; this table only collects them in one place.