1999 PORSCHE 911

If you've been searching for a classic air-cooled Porsche driving experience paired with open-top freedom, this 1999 Porsche 911 Carrera 4 Cabriolet for sale at You First Autos in Costa Mesa, California is a rare opportunity worth your serious attention. High-mileage air-cooled 911s with well-documented histories have become increasingly sought after by enthusiasts who understand that these engines were built to run — and run — and keep running. This is the kind of Porsche that tells a story, and for the right buyer, it could be the next great chapter.

About This 1999 Porsche 911 Carrera 4 Cabriolet

This 1999 Porsche 911 is a Carrera 4 Cabriolet — one of the most desirable configurations of the 996-generation lineup. You're getting all-wheel drive traction, a convertible soft top for Southern California's year-round sunshine, and the last era of Porsche's transition from air-cooled to water-cooled engineering. At 251,111 miles, this car has lived a full life, and any buyer should approach it with clear eyes, a solid pre-purchase inspection, and an appreciation for what high-mileage Porsches represent in the collector world. Priced accordingly for its mileage, this is a driver's car — not a trailer queen — and there's an entire community of 996 enthusiasts who will tell you these cars are genuinely undervalued right now.

1999 Porsche 911 Carrera 4 Performance and Engine

The 3.4-Liter Flat-Six and Tiptronic Transmission

Under the rear lid of this 911 sits Porsche's 3.4-liter water-cooled flat-six engine, producing around 300 horsepower in stock form. This was Porsche's first water-cooled 911 engine generation, and while it sparked debate among purists at the time, it has since proven itself to be a capable, rev-happy powerplant that loves to be driven hard. The engine breathes freely at high rpm and delivers that unmistakable Porsche flat-six soundtrack through the rev range.

Paired with Porsche's Tiptronic automatic transmission, this 911 offers the flexibility of traditional automatic driving with the option to manually select gears via steering-wheel-mounted buttons or the shift gate. For buyers who want the 911 experience without a manual clutch, the Tiptronic is a perfectly engineered match. The Carrera 4's all-wheel-drive system adds meaningful grip in wet coastal conditions and during spirited canyon driving — a real advantage for Orange County's mix of freeway cruising and back-road fun.

1999 Porsche 911 Carrera 4 Cabriolet Features and Interior

The 996-generation Carrera 4 Cabriolet arrived with a power-operated soft top that folds neatly and quickly, turning this 911 into a true open-air machine in seconds. Inside, the cockpit is quintessentially Porsche — driver-focused, with the ignition on the left side of the steering column, a deeply hooded instrument cluster, and supportive sport seats. The 996 interior includes air conditioning, a multi-function steering wheel, and a sound system suited for wind-in-your-hair cruising along Pacific Coast Highway. While 1999 interior tech is modest by today's standards, everything is purposeful and built to Porsche's exacting quality specifications.

Porsche 911 Reliability and Ownership — What You Should Know

Understanding the 996 at High Mileage

The 996-generation 911 (1999–2004) has a known history that every prospective buyer should understand before purchase. The early 996 engines, including this 1999 model, are susceptible to intermediate shaft (IMS) bearing failure and rear main seal oil leaks — two issues that are well-documented and, importantly, serviceable. Many owners of high-mileage 996s have already addressed these concerns proactively, and that's one of the first questions to ask when inspecting this car.

The flat-six engine, when properly maintained, is extraordinarily durable. Porsche engines have logged enormous mileage in service around the world, and 996 Carreras with attentive oil change histories and proper coolant maintenance are well known for surviving well beyond 200,000 miles. A compression test, leak-down test, and thorough inspection by a Porsche-specialist mechanic — of which Orange County has several excellent options — is highly recommended before purchase. For the right buyer who does their homework, a high-mileage 996 can be one of the most rewarding sports cars on the road.

Why Buy From You First Autos in Costa Mesa, California

You First Autos, located in Costa Mesa in Orange County, California, puts the customer experience at the center of everything they do — and their name says it all. Buying a high-mileage specialty vehicle like a 1999 Porsche 911 requires a dealership that is transparent, communicative, and willing to answer your questions honestly. The team at You First Autos understands that informed buyers are happy buyers, and they're ready to help you evaluate this vehicle and make a confident decision. Costa Mesa is an ideal location for enthusiast car buyers throughout Southern California, with easy access from the 405 and 55 freeways.

Financing a Used Porsche 911 Near Costa Mesa

Financing a specialty or high-mileage vehicle can feel daunting, but You First Autos works with a range of lenders to find solutions for buyers across the credit spectrum. Whether you're paying cash, financing through your own bank, or exploring options through the dealership, the team at You First Autos in Costa Mesa can walk you through your choices. Buyers from throughout Orange County, including Newport Beach, Irvine, Huntington Beach, and beyond, regularly work with dealerships in Costa Mesa for exactly this kind of unique find. Call 714-329-0861 to discuss financing options before you come in.

Frequently Asked Questions About the 1999 Porsche 911 Carrera 4

Is the 1999 Porsche 911 Carrera 4 a good buy at high mileage?

It can be — but it requires due diligence. The 996-generation 911 is currently one of the most undervalued sports cars on the used market, and enthusiasts who have done proper pre-purchase inspections and addressed known issues like the IMS bearing and rear main seal have found them to be deeply satisfying, reliable drivers. High mileage on a well-maintained Porsche flat-six is far less alarming than on many other vehicles.

What does the Carrera 4 trim mean on a Porsche 911?

The "4" in Carrera 4 denotes Porsche's all-wheel-drive system. Unlike the standard rear-wheel-drive Carrera, the C4 distributes power to all four wheels, improving traction in wet or challenging conditions and providing a different dynamic character — slightly more planted and confidence-inspiring, especially for everyday driving.

What is Tiptronic and is it reliable on the 996?

Tiptronic is Porsche's automatic transmission with a manual-shift override function. It allows the driver to select gears manually using buttons on the steering wheel or the shift gate, without a clutch pedal. The Tiptronic is a well-engineered unit that has proven durable over time, and many 996 buyers actually prefer it over the manual for its smoothness and ease of use in traffic.

How many miles is too many on a used Porsche 911?

Porsche flat-six engines are legendary for longevity when properly maintained. Many 996-generation 911s have surpassed 200,000 miles and continue to perform well. The key factors are maintenance history, whether known issues have been addressed, and the results of a professional inspection — not the odometer reading alone.

What should I inspect on a high-mileage 1999 Porsche 911?

Priority items include the IMS bearing (replacement or upgrade), rear main seal, coolant hoses and reservoir, bore scoring inspection (a known issue on early 996s), soft top condition and seals, and overall service history. A Porsche-specialist mechanic in the Orange County area can perform a thorough pre-purchase inspection and give you real confidence going into the purchase.

Serving Costa Mesa and Surrounding Orange County Communities

You First Autos in Costa Mesa is conveniently positioned to serve car buyers from across Orange County and the greater Southern California region. Whether you're coming from Newport Beach, Irvine, Huntington Beach, Santa Ana, Anaheim, Fountain Valley, or further afield from Los Angeles or the Inland Empire, Costa Mesa is an easy and accessible destination. The area is well-known as a hub for specialty and enthusiast vehicles, and You First Autos fits right into that tradition. If you've been searching for a used Porsche 911 near Orange County, California, this is worth the drive.

Contact You First Autos Today

Ready to experience this 1999 Porsche 911 Carrera 4 Cabriolet in person? Call You First Autos at 714-329-0861 to schedule a test drive or ask any questions about the vehicle's history and condition. The team at You First Autos in Costa Mesa, California is standing by to help you take the next step. Whether you're a seasoned Porsche enthusiast or a first-time 911 buyer, this is a rare piece of automotive history — come see it before it's gone.