You know, I've recently found out my car is getting closer and closer to this without me really realizing it. I've pretty much lived my whole life without having practical vehicles, and the Dart is quickly becoming a go-to option for me. My other vehicles are a 71 Vette (talk about zero storage), an 04 Viper (have done a few long trips with it), and a motorcycle. So the Dart is pretty much the only car that can carry anything, but it's also the only car without A/C, which I hope to change one day.
I'm not anywhere near the 500+ hp number, but I do have the 6 speed, can touch 30 mpg (assuming my computer isn't lying to me), have basic traction control, comfortable modern seats, and nav built into my Raspberry Pi secondary display. I've debated running cruise control via the Raspberry Pi as well (I did something similar to my Vette for a college project using a different microcontroller) since it's running my stock speedometer already. I keep thinking about power locks as well, mostly because my car has the setup where you can't actually lock the door unless it's closed, so it's kind of begging for a remote lock kit. The rest I'm okay without, but that may change someday.
I agree though that having all of that stuff in factory form is always going to look better and probably perform more seamlessly. That being said, half the fun I've had with my car is learning how the OEM systems work and sort of developing them myself. I'm a mechanical engineer by trade though, so that's also just how my mind works. I keep putting features in my car because I can and because I'm bored and like to tinker more than anything. I've never even used the nav setup I put on my computer, but the GPS was only $15 or something like that so I figured why not have it there just in case. The longest trip I've taken the Dart on so far was around 8 hours round trip and it was actually quite nice, though it could definitely use some updated weatherstripping and panel adjustments to try to better manage wind noise.
