What Does a Porsche 911 Backdate Actually Cost?

f you've spent any time looking at 911 backdates online, you've probably noticed something: nobody talks about price. Builders show the finished car, the leather, the paint, the sound — but the number? You have to "enquire." And that's fine for some people, but most of us want at least a ballpark before we pick up the phone.

So here's what a backdate actually costs in 2026, what drives the price up or down, and where Shoreline's builds sit in the market.

The Short Answer

A properly built, ground-up 911 backdate on a 964 or 993 platform will cost somewhere between $150,000 and $600,000+, depending on who builds it, how far the spec goes, and whether you're starting from a donor or commissioning a turn-key car.

At Shoreline, our four current builds range from $350,000 to $400,000 — fully built, fully specified, ready to drive.

The Shoreline Range

We offer four distinct builds, each with a different character and price point:

911 GTR Classic — from $350,000 This is the entry point to a Shoreline build, but "entry" is relative — it's a full body-off rebuild on a 993 platform with a 3.8-litre air-cooled engine, six-speed manual, 18-inch genuine Fuchs wheels, woven leather interior, LED lighting, PCCM with Apple CarPlay, electric air conditioning, and a switchable sports exhaust. It's the purest expression of what we do: long-hood proportions, wide body, and a spec list that covers everything you need without anything you don't.

911 GTR Targa — from $375,000 Built on the 964 platform (1989–1993 donors), the Targa adds open-air driving to the backdate formula. The engine range stretches from 3.6 to 4.0 litres with up to 400 BHP available, and you can choose between two- or four-wheel drive. The 17-inch Fuchs give it a slightly more period-correct stance. The premium over the Classic reflects the additional structural work involved in converting and reinforcing a Targa body to Shoreline standards.

911 GTR Modern — from $375,000 Same price as the Targa, different philosophy. The Modern is a 993-based coupe with a 3.8-litre Performance Pack engine and 2+2 rear seating. Where the Classic leans toward heritage, the Modern pushes the spec further — it's for clients who want the backdate aesthetic but with every possible performance and comfort refinement dialled in. Think of it as the grand tourer of the range.

911 GTR Evo — from $400,000 The Evo is the top of the range. Also 993-based with the 3.8-litre Performance Pack, the Evo takes the widebody concept further with its dedicated EVO body kit, more aggressive aerodynamics, and the most focused driving setup we offer. This is the build for someone who wants their backdate to feel as serious as it looks.

What's Included in Those Prices

Every Shoreline build is a complete, turn-key car. That "from" price covers the donor vehicle sourcing and inspection, full strip to bare metal, body-off rebuild with long-hood backdate bodywork, rebuilt and upgraded air-cooled engine, six-speed manual gearbox with new hydraulic clutch, advanced adjustable suspension with coilover dampers, uprated braking system, full hand-trimmed leather interior, electric air conditioning, LED lighting throughout, PCCM Classic head unit with Apple CarPlay, and a switchable sports exhaust.

Options like PPF (paint protection film), specific colour-matched paint, bespoke interior materials, or performance upgrades beyond the standard spec are additional.

How That Compares to the Market

It helps to understand what else $350,000–$400,000 buys you in the 911 world right now.

A clean, unrestored Porsche 993 Carrera 2 will cost you $80,000–$130,000 depending on condition, mileage, and colour. A 964 in comparable shape runs $60,000–$100,000. Those are donor-grade cars — good foundations, but not finished backdates.

A basic backdate conversion from a smaller workshop — new bumpers, lights, and cosmetic panels fitted to your donor, with a mechanical refresh but no full rebuild — might run $40,000–$80,000 in labour and parts on top of the donor cost. You'll end up in the $120,000–$200,000 range for something that looks the part but may still feel like a 30-year-old car underneath.

At the top end of the market, the most well-known California-based builders charge $500,000–$700,000 for a comparable 993- or 964-based build, and some flagship programmes exceed $1 million. The spec sheets are often similar to what Shoreline delivers — the difference is the brand premium layered on top.

Shoreline occupies a deliberate position: every mechanical and cosmetic element is rebuilt or replaced, but without the name-tax that doubles the price. We'd rather put the budget into the car than into marketing it.

What Actually Drives the Cost

If you're wondering why a backdate costs what it does, here's where the money goes:

The donor car (15–25% of total cost) A good 993 or 964 shell is non-negotiable. Rust, accident damage, or incorrect chassis numbers can derail a build entirely. Sourcing a clean, verified donor is the first major expense.

The engine rebuild (15–20%) Stripping, inspecting, and rebuilding an air-cooled flat-six to produce 330–400+ BHP reliably is specialist work. New camshafts, individual throttle bodies, balanced internals, and a bespoke ECU map all contribute.

Bodywork and paint (20–25%) This is where backdates are won or lost. The conversion from 993 or 964 bodywork to long-hood proportions requires new panels, extensive metalwork, and hundreds of hours of fitting, filling, and finishing before paint even begins. A full respray on a 911 — done properly, with correct preparation — is a significant line item on its own.

Interior (10–15%) Hand-stitched woven leather, custom door cards, Nappa leather dashboard, quilted luggage bay, new carpeting — this is bespoke upholstery work, not a retrim kit.

Mechanicals and electronics (15–20%) Suspension, brakes, gearbox, wiring loom, lighting, air conditioning, audio — every system is either rebuilt or replaced. The electrical work alone can take weeks when you're integrating modern LED lighting, Apple CarPlay, and electric air conditioning into a 1990s chassis.

The Question Most People Actually Want Answered

Is it worth it?

That depends on what you're comparing it to. A new Porsche 911 Carrera GTS starts at around $155,000. A Turbo S pushes past $250,000. Both are extraordinary machines — faster, more refined, and packed with technology that a backdate simply can't match.

But that's not the point. Nobody commissions a backdate because they want the fastest car. They commission one because they want the most engaging car. The mechanical connection, the sound of a naturally aspirated flat-six at 7,000 rpm, the analogue feel of a car that was designed before drive-by-wire existed — that's what you're paying for. And unlike a new 911 that depreciates the moment you drive it away, well-built backdates have historically held or increased in value.

If that matters to you, then yes — it's worth it.

Shoreline 911 builds are commissioned to order, with build slots currently available from Q3 2026. To discuss a build or request a detailed specification and quote, get in touch at shoreline911.com/contact