Here is a comparison of the new sound (v1.01) to the old engine sound (v1.00)
F1 2014 Gameplay - Patch Comparison 1.01 v 1.00 - NEW Mercedes V6 Engine Sound by MIKLEDDDD on RaceDepartment - F1, Motorsport, Sim Racing
Here is the race start engine sounds comparisons with my opinions.
F1 2014 Gameplay - 1.01 Patch - NEW SOUNDS!! Lewis Hamilton, Fernando Alonso At Monza by MIKLEDDDD on RaceDepartment - F1, Motorsport, Sim Racing
F1 2014 Gameplay - Patch Comparison 1.01 v 1.00 - NEW Mercedes V6 Engine Sound by MIKLEDDDD on RaceDepartment - F1, Motorsport, Sim Racing
Here is the race start engine sounds comparisons with my opinions.
F1 2014 Gameplay - 1.01 Patch - NEW SOUNDS!! Lewis Hamilton, Fernando Alonso At Monza by MIKLEDDDD on RaceDepartment - F1, Motorsport, Sim Racing