Should I buy a dash cam with front and rear cameras?

Yes—if your budget allows, a front-and-rear dash cam (often called a dual-channel system) is usually a better buy than front-only.

Why it’s worth considering:

• It captures more of what happens around your car, especially behind you.
• It can be helpful for rear-end hits, parking-lot bumps, tailgating, and hit-and-runs.
• It gives more context than a single front-facing camera.

Main tradeoffs:

• It costs more than a basic front-only setup.
• Installation is more involved because you need to route a cable to the rear camera.
• It records two streams, so you’ll want a larger high-endurance SD card.

If you mainly want cheap, basic protection, front-only is still a solid option. But for more complete coverage and peace of mind, front and rear is usually the better choice. If you drive rideshare or want cabin coverage too, a 3-channel system can make sense.

The exact best choice depends on your budget, how much coverage you want, and how much installation hassle you’re comfortable with.