- NAPA AUTO PARTS
- 7,197 total number
- United States ()
The most cars washed in 8 hours (multiple venues) is 7,197, and was achieved by NAPA AUTO PARTS (USA) at multiple locations across the USA on 27 April 2019.
NAPA AUTO PARTS partnered with local charities and non-profits at each of their locations to benefit from the funds raised during the attempt.