The flagship AVIC-8100NEX isn't just the top of Pioneer's line, it's one of the best, most fully featured receivers on the market. Just make sure you're not buying more functionality than you really need.
Pioneer's flagship AVIC 8000NEX boasts dozens of media and navigation options -- including the first aftermarket appearance of Apple CarPlay -- but most users will find a better feature-to-cost balance lower in the brand's NEX lineup.
The Alpine Blackbird is a feature-rich vehicle GPS system and entertainment device all rolled into one sharp-looking package, but it hits a couple of roadblocks with its short battery life and sluggish route calculation.
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Though a bit pricey, the iPaq Navigation System's strong reception and easy-to-read maps get you on the road to a smooth trip.