I've been driving one for nearly 10 years already (bought new for RM100,100 in Aug 2000, loan settled a few years ago). So far no major issues and this car has really served me well. I've changed the timing belt twice and the car looks like it can still go on for a few more years without any problems. Of course I will have to set aside some $$ for unexpected repairs but it surely beats having an instalment to pay every month.
Sharing info...
I sold my 2001/2002 PV6 because...
1) It's aging
2) Maintenance cost (genuine parts are expensive, cheap local parts don't last long)
3) Already do 200,000km mileage (did 1 top overhaul, 2 timing-belt change, suspension, radiator, air-con, etc.)
4) Gearbox problems (gear change slip on up-shifting, jerky on downshift - I do manual and regular maintenance periodically and keep records till the end)
5) Service at Proton (expensive, but the car is in good lasting conditions)
6) Safety wise..., "no airbags", traction control, etc.
7) A bit heavy on FC (Fuel Consumption) as it ages
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2001/2002 Proton Perdana v6 - Front side view
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2001/2002 Proton Perdana v6 - Rear side view
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2001/2002 Proton Perdana v6 - Engine bay
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2001/2002 Proton Perdana v6 - Interior - front dashboard
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Other than that,
1) It's a good car, luxurious, comfortable, smooth drive car (KL - Ipoh - KL (on the same day), and still can attend meeting elsewhere in KL)...
2) A driver's car, good and stable at corners
3) Till today, everything in the car works as when newly purchased, but on someone's else hands now. Good luck to the new owner...
I now drive a Hyundai...
I wrote a personal review about it
here