Reynard 873

{{Infobox racing car

| Image =

| Car_name = Reynard 873{{cite web|url=https://kwmotorsportltd.wordpress.com/2012/12/05/the-reynard-863-and-873-formula-3/|title=The Reynard 863 and 873 – Formula 3|date=5 December 2012 |access-date=21 November 2022}}

| Category = Formula 3

| Constructor = Reynard

| Designer = Adrian Reynard

| Chassis = Carbon fiber honeycomb monocoque with rear sub-frame

| Engine name = Mid-engine, longitudinally mounted, Alfa Romeo/Volkswagen, {{convert|2.0|L|cuin|1|abbr=on}}, SOHC/DOHC I4, NA

| Power = {{convert|172|hp|kW|0|abbr=on}}

| Gearbox name = Hewland

| Gears = 5-speed

| Type = manual

| Tyres =

| Weight = {{convert|470|kg|lb||abbr=on}}

| Wheelbase = {{convert|2045|mm|in||abbr=on}}

| Length = {{convert|4150|mm|in||abbr=on}}

| Width = {{convert|1800|mm|in||abbr=on}}

| Height = {{convert|960|mm|in||abbr=on}}

| Debut = 1987

| Brakes = Disc brakes

}}

The Reynard 873 is an open-wheel Formula 3 race car, designed, developed and built by Reynard in 1987.