Use the settings listed below with a rented Bugatti Veryron Super Sport in Free Play mode to easily get 'Record Breaker' Achievement.

Le Mans Circuit de la Sarthe - Old Mulsanne Circuit (Day) Track

Assists
Braking: ABS On
Traction and Stability: Off
Damage, Fuel and Wear: Cosmetic
Rewind: Off

Game Options
Max Drivatars: 0
Laps: 1
Mods: None

Once you have completed several turns at the start you will reach a long straight track that will enable you to go over 260+ MPH. If you now finish the lap without rewinding you will get the 'Record Breaker' Achievement.