1999 Porsche 911 C4 Cabriolet Tiptronic
For Sale1999 Porsche 911
-
Price
$18,000• OBO
- Location South Jordan, UT, 84009, USA
- Condition Used
- VIN WP0CA2999XS654744
- Mileage 101,338
- Engine 6 cyl
- Drive Type 4WD
- Transmission Automatic
- Vehicle Type Convertible
- Exterior Color Silver
Description:
Super clean and well cared for, this all-wheel drive 911 C4 Cabriolet Tiptronic has been the spoilt child of our car family. This car started out life in California, and came to Salt Lake City in 2010 where it was sold by Strong Porsche in downtown SLC. Serviced regularly at Strong Porsche until 2015, and after that at independent Porsche specialists in the valley. Previous two owners were a car collector and a policeman.
The car is a Tiptronic which a lot of Porsche enthusiasts might frown at. One of the first things I did to the car however was the installation of a Sprint Booster throttle modulator, which makes the utterly bomb proof ZF transmission work like a modern transmission in sport mode. Compared to my 2012 Camaro SS, this transmission feels a lot peppier. If you haven't driven one that has had this modification, recommended by Wayne Dempsey of Pelicanparts.com in his "101 Projects for your Porsche 911", I would invite you to take a test drive first before you discard the Tiptronic. The difference is really that great.
One big advantage of the Tiptronic over a manual transmission is that you have no risk of the engine ever having been over-revved. If you use a diagnostic tool like the Durametric or a factory Porsche diagnostic tool, you can query the ECU for any records of the car having been revved above the limit due to someone missing a shift or accidentally going to 2nd instead of 4th gear. This can be fatal to the engine, damaging valve seats and substantially reducing the life of the engine. This transmission had a full service (filter + fluid flush) at 98,000 miles and is due for the next one at 188,000 miles as per Porsche recommended maintenance schedule of 90,000 miles.
The car has had over $8,500 in upgrades and maintenance in the last year, including new Alpine head unit with HD radio, Apple Car, speakers & amplifier, and rear view camera - all installed by a professional shop here in the Salt Lake City area. I still have the original stereo & key code card in case someone would like to take it back to stock.
IMS bearing (dual row) was done at 81,000 miles, with documentation. Rotors and pads at 91,000 miles. New spark plugs, engine mounts, accessory drive belt, front & rear differential fluids, battery, 4 wheel alignment, etc. Front tires have ~6,000 miles on them, and rear ones are at 3,000 miles. I have 17 years' worth of service records dating back to 2003 when the car came off original factory warranty. Regular oil changes every 5,000 miles.
AOS is tested regularly by myself using Jake Raby's method of measuring crank case vacuum at idle, with a warm engine and A/C turned off. Using a digital manometer + OEM oil cap w/ valve insert, mine is registering between -5.9 inH2O and -6.1 inH2O which is within normal range and well below the -7.0 inH2O where you need to start worrying...
There are no oil leaks, no cracked bushings, no CEL, and no mechanical issues to worry about. I have detailed inspection records to share with a prospective buyer and can provide references to a local Porsche specialist shop that will provide any further details you might need. Of course I'd be happy to work with you if you'd like an independent mechanic to take a look at it on your behalf too.
As most of the readers on this site knows, proper maintenance and repairs are key. Buying a cheap example for $12,000 from a dealership with no records of prior maintenance or repairs is a recipe for a bad ownership experience. There are no short cuts to be had here, and you can rest assured this vehicle has had nothing but the best with no expenses spared to keep it in tip top shape.
Upcoming maintenance jobs include replacing the front sway bar bushings that are getting old, as well as flushing and replacing the power steering fluid. Not very expensive and well within the realm of a DIY job.
Interior is in good shape with normal wear & tear for a 21 year old vehicle. Exterior is also in good shape with no visible dings or scratches, but there are small chips on the front bumper, commensurate with mileage & age of vehicle.
The car has Porsche original car cover, wind breaker, and the ugly black vinyl thing that you put on the front to avoid rock chips in the paint on long journeys. Judging by the paint chip marks on my front bumper, I'm not the only owner to have refused to deface my car with this thing... I also have two books including a complete reference guide to Porsche 996 and a DIY manual with pictures and step-by-step instructions in case you'd like to do some simple work yourself.
I'm selling the car to (probably) buy a faster 911, perhaps a 2008-2010 911 Turbo or similar. Sold my 2019 Jeep Wrangler Moab a few weeks ago and looking to pool the proceeds of the two together to up the ante a little bit...
Two keys with Porsche key fobs, clean title in hand, and ready for its new owner.


