I'm planning a daytrip to GC from Vegas in April and was wondering if renting a car is a better idea than taking a bus. Also, is renting converitble or an SUV really worth it?

What are you planning on doing when you get there? Some people are perfectly happy spending 30 minutes or so looking over the side of the cliff and taking a few questions. Others want to hike part-way down, or hike all the way down and camp for a night or two. The longer you want to stay the more likely that you will want to take your own car. As to whether a convertible or an SUV is worth it - how large is your group? Are you trying to impress your girlfriend? What time of year will you be traveling?

Well we will spend there only one day so I don't know how much hiking I can allow myself. I'm going with my wife, just two of us. I asked about the type of car because I thought it would be much better thing to enjoy the views and the weather in a convertible. Also was curious whether there are off-road sites that would require an SUV.

Not trying to impress anyone, I just would like to have the best experience possible. We're going there in 10 days.

If you're going to the South Rim, you don't need to worry about going off-road. As for the convertible, consider whether you want to drive for 5 hours one-way with the top down. I wouldn't want to deal with the sunburn, extra noise, etc. Most of the scenery you'll see is at the GC itself, not along the way.

Thanks, that's what I needed to know. I didn't realize it's a 5 hour drive one way, that's harsh.

When I saw the post title, all I could think of was "Thelma and Louise."

Is it a movie? Never seen it.

Yes, it's a movie. At the end, T &L drive themselves over the side of a canyon (which I think was in the Moab area somewhere).