The Infiniti EX has the build quality to go the distance. It's one to watch in the used market.
Suspension can wear, due to poor quality roads found in NZ, electric motors can also not perform as expected after years of use and the tires which can cost more.
Standard WOF requirements are mandatory, but paying special attention towards rust, tire check and strut suspension are essential.
A good build quality and solid V6 engines gives this a long life with limited problems. As with any car, it is best to do a thorough pre-purchase mechanical checks. Common things to inspect can include the condition of tyres, suspension as well as roof lining coming loose.