A sat nav comparison – New Kate is a TomTom 950 Live (old Kate was a 520) and Rosie refers to her built-in RNS-E device (Rosie being an Audi RS4).

Background

Old Kate was very good and served me well for the last (nearly) two years, but  shit software from TomTom meant that syncing and updating a device with an SD card installed was just too much grief and finally the whole thing became too much so I bought New Kate that had all the maps on the internal ‘drive.’ Much better and also had the cool LIVE services.

Rosie’s RNS-E is built in, but has maps circa 2006 and lacks a few features.

So, here’s a feature comparison:

Viewing experience

New Kate’s screen is smaller than Rosie’s but is higher resolution and brighter. Also, New Kate, being stuck to the windscreen, is more in line of site, so you get to keep your eyes on the road more. On the other hand, Rosie also puts turn information on the instrument cluster right in front of you.

Having driven a few hundred miles now with Rosie’s sat nav, I’d say there’s not really much in it.

Route accuracy

New Kate wins hands down here. Not only does she know the roads better (up todate maps), but knows about crap roads (and to avoid them) and can do eco routes and – here’s the winner – has live services so can route based on actual traffic conditions.

Rosie has TMC, but not very often. She doesn’t know about eco routes and is much slower at recalculating a route when you ignore her and go somewhere else.

Ease of programming

New Kate is very easy to program. On screen keyboard means you can type in names and places. Unfortunately, the responsiveness is crap, so you end up retyping and generally taking ages. On the other hand, you can pre-program routes from the comfort of home or hotel room, whereas with Rosie, you need to be in the car.

Rosie is a bit more fiddly to enter destinations (no keyboard) but surprisingly has many special destinations built in, eg, I couldn’t enter the postcode for a place I wanted in Margate, but she did have the place itself.

Ease of use when driving

It is very hard to do anything with New Kate when driving. Mainly because she’s just that much further away (stuck to the screen), and the touch screen requires a bit of accuracy of prodding, taking attention even more from the road. So basically, don’t.

Rosie is a bit easier. All controls are via the MMI interface which can be used without looking and is within reach.

New Kate can be controlled via voice, but only you prod the right places on the screen first. RNS-E also has voice control but not in Rosie (needs some phone preparation hardware).

Sexiness of voice

Rosie. Hands down. Although Kate is quite bossy

Convenience

Well, Rosie is always there, so scores highly with convenience. No need to plug anything in, or stick to the screen. On the other hand, New Kate is convenient in that you can plan before you get in the car.

Miscellaneous

Rosie has a nice feature where on a motorway, she’ll list all the upcoming junctions and service stations. New Kate doesn’t do that.

New Kate knows where the nearest cheapest fuel can be had and can do Google lookups. Rosie cannot. Although I’m not sure it’s that useful in practice. The latter is also an expensive service which I may not want to pay for.

New Kate can show the map whilst Rosie shows info on the music I’m listening too. Rosie can’t do both at the same time… well she can a bit – the info cluster in front of you still shows next turn info.

New Kate can read road names, whereas Rosie can only read road numbers and major town and city names.

Summary

A tricky one. I think for most things, I’d use Rosie for navigation but if going on a longer trip, especially somewhere in Europe, I’d probably use New Kate. If nothing else New Kate would be a backup.

I’d really like to be able to say Rosie is perfect and New Kate is going on eBay, but I can’t. Even if I get the 2010 map updates, I’d still be torn between the two.

I think a revisit is required in six months.

My TomTom (GO520) got a software upgrade yesterday, and seems to have gained three new features:

1. Kate now stutters

2. Kate now tells me she can’t find a faster route (IQ maps or something)

3. Lane assist

This last one is extraordinary.

It puts up a diagram of the lanes ahead with green arrows on the one you should be in.

Great, but if you didn’t already know which lane to be in, it’s generally far to late to move, so would seem to be pointless.

Perhaps TomTom secretly informs the DVLA of people who generally get it wrong so that their licenses can be revoked.