- For the 2023 reboot, see Forza Motorsport (2023).
Forza Motorsport (2005) is the first installment of the Forza Motorsport series, and as a game for the original Xbox, it did not receive any downloadable content.
It was made available on Xbox 360 through the console's backwards compatibility emulation.
- Main article: Forza Motorsport (2005)/Cars
231 Cars are featured and each car represents a class from lowest to highest depending on their power, speed, and weight.
- Main article: Forza Motorsport (2005)/Track List
There are 17 Environments, which are only sorted by tracks. No tracks can be downloaded as DLC.
In career mode, the player races in different series and can upgrade, tune, or paint their cars. There are multiple ways to obtain cars, including purchasing from the shop or winning from a championship. In the career mode, there are five different series that the player can compete on ranging from the cars class, to their manufacturer or the type of car you own.
- Point to point races - Races that put two drivers racing from one point of the track to the other.
- Beginner Races - This is where the players begin their career after selecting their region, It also has races that the player can easily win races but they get less money after completing a race.
- Professional races - Are slightly more harder races in which they are more difficult opponents but each race in this series earns the player more money.
- Championship series - The championship series is where players race in a different class championship depending on the cars they own.
- Endurance series - In this series players must race but must also keep their cars running.
Until April 15, 2010, players were able to compete over Xbox Live, with up to 8 players in each match.
The game also features system link and split-screen.
- Main article: Forza Motorsport (2005)/Soundtrack
The soundtrack for Forza Motorsport was composed by Junkie XL along with multiple other composers.