Elferlog
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    Porsche 901 Original 911

    1963–1973 · Flat-6 Air-Cooled · Rear-engine, rear-wheel drive · 130–190 hp

    The one that started it all. Ferdinand "Butzi" Porsche's masterpiece established the rear-engined, flat-six formula that defines the 911 to this day.

    Talk to 901 owners

    Variants

    • 911 2.01964–1967 · 130 hp
    • 911S1967–1973 · 160 hp
    • 911L1968–1968 · 130 hp
    • 911T1968–1973 · 110 hp
    • 911E1969–1973 · 140 hp
    • 911R1967–1968 · 210 hp
    • 911 2.4 S1972–1973 · 190 hp
    • 911T 2.21970–1971 · 125 hp
    • 911E 2.21970–1971 · 155 hp
    • 911S 2.21970–1971 · 180 hp
    • 911T 2.41972–1973 · 130 hp
    • 911E 2.41972–1973 · 165 hp
    • 911 Carrera RS 2.71973–1973 · 210 hp

    What owners actually spend on the 901

    Median service costs from real logged records, broken down by job and category.

    See 901 running costs

    Known issues to look for

    • Timing Chain Tensioner Failure

      critical

      Rattling on cold start, chain slap noise, loss of power

      Replace with updated tensioner; inspect chain guides annually

    • Oil Starvation in Corners

      moderate

      Low oil pressure light in hard cornering, engine knock

      Install deep sump or baffled sump kit; maintain oil level at max

    • Rust in Battery Box and Floorpans

      moderate

      Visible corrosion, soft floorpans, battery acid damage

      Inspect annually; apply cavity wax; relocate battery if modified

    Documented 901 Porsches