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.