The best driver assistance systems, according to hackers

9 driver assistance systems recommended in Hacker News comments over the past year, ranked by how many separate people recommend each one.

All driver assistance systems

Tesla Full Self-Driving (FSD)Owners say recent versions handle most driving, especially highways, with few interventions; critics cite years of overpromised marketing and the continued need for supervision, especially in cities.268recommend
Tesla FSDRecommended for smooth, capable driving on complex roads, often with few interventions. Main caveat: it still needs an attentive driver supervising at all times.73recommend
comma.ai openpilotOpen-source driver assistance that reduces fatigue on long drives and works hands-free on many cars. Common caveat: it does not reliably change lanes on its own.34recommend
Tesla AutopilotLane keeping and adaptive cruise on highways that many drivers say cuts fatigue and crash risk; critics point to fatal crashes and the need for constant attention.27recommend
comma.ai comma deviceAdds freeway driver assistance to compatible cars on a low-cost Android-based device; people praise its capability. Common caveat: frequent warning beeps.24recommend
Comma FourOpen-source driver assistance hardware for dozens of car models, with ready-made harnesses; critics say it stays at lane keeping.12recommend
Rivian Autonomy+People recommend it for hands-free daily and road-trip driving and for strong tech strategy. Critics say its performance still lags and gen1 lane handling struggles.9recommend
GM Super CruiseHands-free highway driving assist that people find reduces fatigue and handles lane centering well. Critics note it works only on mapped highways and needs a paid subscription.7recommend
Ford BlueCruisePeople praise it as a well-built, candid hands-free driving system that keeps the driver in the loop. Critics say it struggles in traffic, has limited mapped coverage, and is often unavailable.6recommend