On March 25, 2016 the Hennessey Venom GT Spyder posted a top speed of 265.6 mph 427.4 km/h at California's Naval Air Station Lemoore, establishing a new speed world record for open top street legal road vehicles, celebrating Hennessey's 25th anniversary.9 In May 2016 the Hennessey Team revealed that the record-breaking car was about 300 hp 220 kW down on power due to issues with one of the car's three high capacity fuel pumps. Normally, the Venom GT Spyder delivers 1,451 hp 1,082 kW and 1,287 lbft 1,745 Nm from its forced induction 7.0-liter V8, making it the most powerful car currently in production.