What's it worth

I'm having a VF supercharger kit installed on my 2003 cabriolet, which is supposed to take the hp up to 470. It is in mint cond. with 29,000 miles. I may be selling it in the spring and was wondering its market value. Midnight Blue, with many options. List was $105,000. any ideas?

Just curious - why add the supercharger if you're planning to sell the car? The value of the car will not increase as much as you spend on the upgrade. In fact, it may make e car more difficult to sell because many Porsche buyers prefer cars that are original.

You will certainly not recover the cost of the supercharger.

I would not buy a car that had a supercharger put on it. Not saying I wouldn't put one on my own, but I wouldn't buy one that someone else had installed, so for me, it's a no go, regardless of how great everything else is. FWIW, I've also had this same discussion with lots of other P-Car guys about passing on cars that have mods. That said, I also agree with Dennis, if you are possibly going to be selling it in a few months, why not just scrub the entire SC idea and sell the car as is. Much more likely to sell faster, and you won't endure the loss of the SC price.

^^ What they said.

^^agreed - I passed on a lot of cars that were modded. Right or not, I didn't want to buy someone else's ragged problems.

* post your zip code/location * list the options of your car * post pictures * Have a PPI done (good if you also have service/maintenance records) and tell us the findings. Then we can give you ideas on a realistic asking price for your car (list price has zero bearing on this). P.S. as already pointed out, keep the cash for the supercharger you're planning to add.

Just curious, (I have read nothing but good results on VF's product), as to why some of you would supercharge you own, but, not buy one already supercharged. It's being installed by RUF USA. I was only thinking of selling as I may upgrade, but, want to experience it first. thanks for your replies and advice.

Many people think the 996 NA engine is not as robust as the GT1 block of the past and compared to the turbo/GT3 engine block. Stressing the engine with a turbo or supercharger will only shorten its life. If you want more power, sell your NA and buy a turbo.

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+1 on all you alls' comments.

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I have no issue with the VF product or with RUF. I'm sure it's a great upgrade and it will be done correctly. My only issue is that it will be expensive and you won't recover your investment. It's a bit like improving your house. You spend thousands of dollars to upgrade it, but then you frequently don't see any of that investment when you sell. Many Used Porsche buyers prefer an "unmolested and original" vehicle when they purchase their car. A supercharged car is probably one that has been driven harder than an original car. I've actually considered a supercharger upgrade. However, if I do that it will be for my enjoyment only. I'm not planning to sell it, and I don't expect that upgrade to increase my car's value.

Most buyers want to do mods themselves, not buy someone else's dream car. And modification is usually not just a single item, but a series of decisions that actually begin with the base car's colors and options and proceed from there. Whenever you add a modification you almost certainly narrow the field of potential buyers. But of course it is your car - do whatever you want!

I agree with all of the above comments. The major point is that just as mods can be done correctly, they can be done incorrectly. The fact that you're having a well respected shop do the work goes a long way, but when it comes to using forced induction on an NA engine there are too many things that can go wrong. I'm with others that I wouldn't touch your car after the supercharger install. I'm not saying you won't find a buyer, but they will be much fewer and farther between...and that means a lower price.

So you have the SC kit already installed(per your first post) or are you getting it installed? Either way, I would recommend uninstalling it before you sell it and selling the SC kit separately when it comes time.

+1 with apline003 - remove it and sell as separate aftermarket part. It's not only the "who did the mod" but the "what did the person DO with the modded car" that worries me when looking at certain modified cars - especially supercharger. To get back to original question, quickly looking around locally here (Toronto, Canada) - 99-04 996's cab or carrera seem to go anywhere from low 30's to low 40's with low km, no mods. Slightly more for C4, and more for 4S

Sell the SC kif seperate. Besides saving the cost of insfallation, you will make a heck of a lot more money than with it on the car.

Ive seen threads like this on so many forums over the years and they always strike me as odd... So everyone wants to mod a car, yet no one wants to buy a modded car. So the answer usually is.... Reverse the mods and then sell it... But IMO it is *not* cool to basically misrepresent the car. That seems really underhanded to me. If you do reverse the mods you should disclose that, and the "gotchas" that might drive away buyers will still fully apply. Ive both bought, and sold, plenty of modded cars. You will find a buyer... it will just take a bit longer and you'll need to be a bit more patient. If you do reverse the mod, you *might* come out better financially if you can sell the kit for a decent return, and you will still find a buyer for the car even if you do the right thing and are honest about its history. That said, I would never do something as big as an SC kit on the chance that I might like it. I'd recommend getting a ride-along in an SC 996 (and yes they are out there and no the 996 doesnt just immediately explode if an SC is put on it) and see if its really something you want to invest in.

On a gasoline engine is it wise to SC such a high compression engine or did you change the pistons? Lower compression and higher boost is better than high compression and low boost. Details and photos would be nice.

Using NADA for a reference with 29K miles you may be able to sell your car now for about $26K providing it's clean, in good condition and everything works. This Spring, in a few months and with more miles, say $23.5K to $24.5K without a SC. Deduct $2K-$5K if it's got a SC. It will be much harder to sell and you may have to keep dropping the price until a buyer is found.

I think buying a car and modding it yourself appeals to more people than buying a car that has already been modded. The mods are one of the fun parts that let you personalize your car. If you buy a car that already has mods, then you're buying somebody else's ideas on what the car should be.

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Big +1 With that said, On all the cars that I have modified, I have never crossed what I consider to be the threshold where potential buyers would be put off by the car. I have made many more "upgrades" to my 996 than "Mods". The only mods that were not factory prosche parts(upgrades) were the LN IMS bearing & the Victor Innsrbruck wheels. Other than that, my car is all Porsche. I wouldn't even consider a Supercharged/turbocharged 996 that started life as a NA car.

++1 also on modding. I would not touch a 993TT with a ECU tune when I was looking. However, other mods were welcome like suspension, wheels, strut brace, 200 cell cats and toelinks...