Porsche 911 Generations Explained: Every Model by Year
Porsche 911 Generations Explained: Every Model by Year
The Porsche 911 has been in continuous production since 1964, across eight generations. Knowing which is which makes it much easier to understand values, parts and why certain cars make better backdates than others. Here is every generation in order.

Original 911 (1964–1973)
The car that started it all. Launched as the 901 and quickly renamed 911, it established the rear-engined, air-cooled flat-six layout. Early cars are light and slim-bumpered, and this is the “long-hood” look that backdates recreate. Highlights include the 911S and the 1973 Carrera RS 2.7.
G-series (1974–1989)
The G-series introduced the impact bumpers required by US safety rules and ran for fifteen years. It covers the 2.7-liter cars, the 911 SC (1978–1983) and the Carrera 3.2 (1984–1989), plus the 930 Turbo. Read our G-series guide for model details.
964 (1989–1994)
Around 87% new according to Porsche at launch, the 964 added power steering, ABS, coil-spring suspension and the first all-wheel-drive Carrera 4, all while keeping an air-cooled engine and a classic body shape. It is one of the most popular backdate platforms. See the 964 advantage.
993 (1994–1998)
The last air-cooled 911, with a multi-link rear suspension and smoother, wider bodywork. Many consider it the high point of the air-cooled era. Our 993 backdate guide explains why it makes such a capable base.
996 (1998–2005)
The biggest change in the car’s history: a water-cooled engine and an all-new body. The 996 is modern, fast and good value, but its engine and shape take it outside the air-cooled backdate world.
997, 991 and 992 (2005–present)
The 997 (2005–2012) brought back round headlights, the 991 (2012–2019) introduced a longer wheelbase and electric steering, and the current 992 (from 2019) adds a wider body and hybrid technology on some models. These are superb modern cars, and the reason many buyers want something more analog alongside them.
How to tell the generations apart
| Generation | Years | Cooling | Easy spotting cue |
|---|---|---|---|
| Original 911 | 1964–1973 | Air | Slim chrome bumpers, narrow body |
| G-series | 1974–1989 | Air | Impact bumpers with rubber bellows |
| 964 | 1989–1994 | Air | Smooth integrated bumpers, rising rear spoiler |
| 993 | 1994–1998 | Air | Flatter, sloping headlights, wider rear hips |
| 996 | 1998–2005 | Water | “Fried egg” headlights |
| 997 | 2005–2012 | Water | Round headlights return |
| 991 | 2012–2019 | Water | Longer wheelbase, slim rear lights |
| 992 | 2019–present | Water | Full-width rear light bar |
The Turbo thread through every generation
From 1975, every generation had a flagship Turbo. The original 930 Turbo earned its “widowmaker” reputation with sudden boost and a four-speed gearbox. The 964 Turbo refined the formula, and the 993 Turbo introduced twin turbochargers and all-wheel drive, making it the first truly usable everyday supercar in the line. Turbo styling, with its wide hips and tail spoilers, still inspires many backdate and restomod builds today.
Which generation makes the best backdate?
| Generation | Years | Cooling | Backdate donor? |
|---|---|---|---|
| Original 911 | 1964–1973 | Air | Too valuable to modify |
| G-series | 1974–1989 | Air | Popular, older engineering |
| 964 | 1989–1994 | Air | Excellent |
| 993 | 1994–1998 | Air | Excellent |
| 996 onwards | 1998–today | Water | Not used for air-cooled builds |
At Shoreline, every custom Porsche 911 backdate starts with a hand-picked 964 or 993, combining classic proportions with the more modern chassis underneath.
Frequently asked questions
How many generations of Porsche 911 are there?
There are eight main generations: the original 911 (1964–1973), the G-series (1974–1989), 964 (1989–1994), 993 (1994–1998), 996 (1998–2005), 997 (2005–2012), 991 (2012–2019) and 992 (2019–present).
What was the last air-cooled Porsche 911?
The 993, built from 1994 to 1998, was the last air-cooled 911. The 996 that replaced it introduced water cooling.
Which 911 generation is best for a backdate?
Most modern backdates use the 964 or 993 because they add power steering, ABS and a stiffer chassis while keeping air-cooled engines and classic proportions.
Your air-cooled 911, built around you.
Every Shoreline car is a hand-built Porsche 911 restomod, engineered from a hand-picked 964 or 993 donor and specified entirely by you. Build slots are limited each year.