The Porsche 963 (Type 9R0) is an LMDh sports prototype racing car designed by Porsche and built by Multimatic, to compete in the Hypercar and GTP (Grand Touring Prototype) classes in the FIA World Endurance Championship and IMSA SportsCar Championship, respectively.

[8] The car was revealed at the 2022 Goodwood Festival of Speed, with a traditional red, white, and black livery.

[9] The official race debut of the 963 was at the 2023 24 Hours of Daytona, the season-opening round of the 2023 IMSA SportsCar Championship.

[11] Porsche later announced that the first customer 963s would not be delivered until April 2023 due to delays caused by supply chain disruptions, forcing customer teams to miss the opening races of the IMSA SportsCar Championship and WEC, something that the teams understood when engaging in talks with Porsche to take delivery.

"[21] In the same month, Multimatic was revealed to be the constructor that would supply the chassis for which Porsche would design bodywork, with Enzinger saying that "Multimatic is the most obvious and logical solution for us", and that "We have known this highly respected company and its team of experienced professionals for many years and are absolutely convinced of the quality of their work".

[26][27][28] Porsche also announced in May 2022 that four 963s would be allocated to customers for 2023, at the cost of $2.9 million per car, with full factory support.

[34] The 963 made its first appearance in the practice sessions of the 2023 24 Hours of Daytona alongside the other new GTP cars., the BMW M Hybrid V8, the Acura ARX-06, and the Cadillac V-LMDh.

[38] The Porsche 963 took its first victory in IMSA competition on the Streets of Long Beach with Mathieu Jaminet and Nick Tandy driving.

[39] In the season's fourth round, the Motul Course de Monterey, Matt Campbell took the car's first pole position while Tandy's No.

94 Andretti Autosport Aston Martin Vantage AMR GT3, losing time as he served a drive-through penalty.

Tijmen van der Helm and Mike Rockenfeller finished seventh in JDC–Miller Motorsports first race with the car.

[45][46] Jaminet overtook Connor De Phillippi in the final minutes before the race ended behind the safety car.

7 car was in contention until Nasr sustained an issue with the hybrid system and spent 2 hours replacing the battery, gearbox and rear axle.