|Silk Stalkings: Vengeance (1994) [Christine]: Deliberately hit by a car driven by a hitman. (Thanks to Baz)
Charmed: She's a Man, Baby, a Man! (1999) [Darla]: Burned to death when Shannen Doherty uses her powers to cause Heidi to burst into flames. (Thanks to David31)
Steve Martini's The Judge (2001) [Brittany Hill]: Head bashed against a table during a struggle with John Terry (if I'm remembering correctly). Her body is shown after being discovered in a dumpster, and the murder itself was eventually depicted in a flashback.