If you are travelling by plane and your coming from the UK, there are regular flights from Stansted Airport, Liverpool and Nottingham. Flybe airlines have regular flights from Southampton to Limoges International Airport.
A number of ways to come to France and bring along a vehicle, you can use the Dover to Calais ferry, Portsmouth to Le Havre or right in the middle of the south coast Newhaven to Dieppe via the SeaCat, a high speed ferry service. Another way is to come through the tunnel on the train from Folkestone to Calais.
There are a lot of major car hire companies and services that provide good cars for hire all of which is available from the Limoges International Airport.