Garmin's n-vi 860 sat-nav isn't cheap but its voice-activated navigation is the best we've used so far.

Can the new Navman give TomTom a run for its money?

James takes TomTom's GO 540 for a spin and discovers that its 'real-time' LIVE services are actually rather good.

Garmin's n-vi 215 sat-nav works well and is easy to use but how does it compare to its rivals-

Garmin jumps on the lane guidance bandwagon with its latest feature packed sat-nav, the n-vi 765T.

By sharing many of the Go 930's features, TomTom's GO 530 Traffic makes for a compelling sat-nav choice.

It's one of the cheapest sat-navs around, and it now comes with 3D landmarks.

Navigon's 2150 Max sat-nav is a good yet pricey TomTom alternative.

NDrive's G280R sat-nav uses satellite imagery on top of its maps, but is it any good?

With a 4.3in display and a nifty business directory, the Navman S50 3D makes a persuasive case as the best budget in-car sat-nav money can buy.