Car is only 4 months old, so far, no problems. Up to 50 miles uses 60 pence worth of electric, over 50 miles petrol engine generator kicks in when required. used 10.3 gallons over 2,232 miles to date. free road tax.
2012-reg Hybrid, Owner for less than a year
Was a persistent problem with the software controlling the steering lock. I have solar panels so minimal fuel costs though much higher in winter due to reduced efficiency of batteries.
2012-reg Electric, Owner for less than a year
No problems experienced. 45% less than previous diesel powered car.