The discovery was made at the popular theme park in Staines Road, Chertsey at 10.55am yesterday (January 30).
An investigation into the circumstances of the man’s death is currently underway but it is believed to be non-suspicious.
A spokesperson for Amazon said its thoughts are with those affected by the tragic incident.
It is working with the delivery service provider and the police while the investigation is ongoing.
Thorpe Park is currently closed for the winter and is expected to reopen on March 24, according to its website.
The full statement from Amazon says: “Our thoughts are with all those affected by this tragic incident. We’re working with our delivery service provider and the police as they investigate.”
A spokesperson for Surrey Police said: “Police were called at 10.55 this morning by South East Coast Ambulance Service following a report of the discovery of a man’s body in the Thorpe Park car park on Staines Road, Chertsey.
“A man in his 20s was sadly pronounced deceased in a vehicle at the location.
“An investigation into the circumstances of the death is underway, but it is not believed to be suspicious.
“Thorpe Park is currently closed for the winter.”