I own a zen (my father that is).It is of nov 2001 model and the colour is MIAMI GOLD.When this vehicle first arrived in our family we were all of course very excited.when I first drove this vehicle I said to myself my god what a pickup.the zen’s hood holds a 993cc engine which delivers 60 bhp and the top speed is about 150 kmph.accleration is 0-60 in 5.56 secs(amazin)my bro has taken the zen to 145kmph on the expressway (PUNE-MUMBAI)and didnt go further as my dad signalled no to-and for sure it can go upto 150.i have read many reviews on the ZEN but I tell you , u will fall in love with the vehicle which gives peace of mind and immense satisfaction.OWN ONE AND SEE THE EMOTIONAL ATTACHEMENT.the zen returns a average of 16 with air con in city and without a/c it gives 18-19.on the highway it gives 21-22.A NICE CAR PACKED WITH POWER AND MILEAGE.also it does not give problems of maintainance costs.