The car was severely damaged near Sampford Peverell on Saturday night.
The southbound carriageway was closed yesterday evening, while fire fighters tackled the blaze.
The cause of the fire is thought to be accidental. The road has since reopened.
Car fire on M5 in Devon
More from Local News
-
Storm overflow prevention work set for Plymouth
But it will take five years
-
Help needed to find Exminster pensioner
Concerns for Charles Fulton, 74
-
City lose at home again
Kyle Wooton brace gives Stockport win over sorry Exeter
-
Calls for inclusion on Plymouth lord mayor role
It traditionally alternates between Conservative and Labour
-
Upgrades to Plymouth storm overflows to take place
Hoe bathing waters are priority to stop sewage discharges
