A yob torched a Mercedes Benz in Ellesmere Port after smashing the window in with a paving slab.
Police are appealing for information in tracing the arsonist who fled the scene.
The silver Mercedes 250 was parked in Waverton Road when it was set alight between 1.45am and 2am of July 27.
A broken paving slab was used to break through the window before the offender used an unknown substance to spark the fire.
The interior of the car was left ‘significantly damaged’.
A Cheshire Police spokesman said: “After smashing the window the offender then used an unknown accelerant and set the vehicle on fire.
“The fire caused significant damage to the interior of the vehicle.
“After setting the vehicle on fire the offender then left the scene of the incident.”
Anyone with any information in relation to the incident is asked to contact Cheshire Police on 101 quoting incident number 64 of 26/7/16.
Information can also be reported anonymously to Crimestoppers on 0800 555 111.