Read the full Mio Spirit 687 review

The Mio Spirit 685's near-£100 price makes it an unique proposition. But the 687 doesn't have such a notable speciality. Although you do get a reasonable range of extras for the £50 surcharge, the £149.99 SRP places the 687 somewhere between the 685 and {linkout:http://www.trustedreviews.com/tomtom-go-live-825_GPS---Sat-Nav_review TomTom's GO LIVE 825}, which has much more sophisticated traffic and mobile data services, or {linkout:http://www.trustedreviews.com/garmin-nuvi-2460lt_GPS---Sat-Nav_review Garmin's nuvi 2460LT}, which offers a better screen and the best voice control in the business. So whilst Mio's Spirit 685 is a shoe-in if you just have around £100 to spend on a sat-nav, the 687 will have you yearning for a little more funds to step up to the next level. Our advice would be to let that yearning guide your decision.

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