Makes › Alfa Romeo Italy › 6C › 6C 2500 SS Corsa Spider · Factory competition · 1939–1940 Ultra Rare

Alfa Romeo
6C 2500 SS Corsa Spider

Works competition spiders on 6C 2500 SS (Mille Miglia 1940)

Still being researched: why it matters, history, identification guide, full specifications. Everything shown is checked against the cited sources. Know more? Send us a source.

Alfa Romeo 6C 2500 SS Corsa Spider (Wikimedia Commons search)
Alfa Romeo 6C 2500 SS Corsa Spider (Wikimedia Commons search)
Photo: Franco Vannini · CC BY 2.0
8BuiltIndependently researched
0Chassis documentedin this archive
?SurvivingNot yet verified
Contents
  1. 01Overview
  2. 02Production & history
  3. 03Specifications
  4. 04Colours & options
  5. 05Individual cars
  6. 06Reference

01Overview

At a glance

Built
8 Built
Years
1939–1940
Engine
2,443 cc / 2.4 LFactory: 2,443 cc
Power
Not yet verified
Top speed
Not yet verified
Body
Not yet verified
Designer
Not yet verified
In this archive
Not yet verified
Surviving
Not yet verified

Sources and any conflicting figures are in the sections below.

Why it matters

Not yet documented. Have a source? Contribute it.

How rare is it?

Six separate kinds of rarity – never combined into one number.

Model rarityUltra Rare 8 · Built1
Specification rarityNot yet assessed
Colour rarityNot yet assessed
Individual rarityNot yet assessed
Historical rarityNot yet assessed
Survival rarityNot yet assessed

Each kind of rarity is rated separately and never combined.

Photos

Exterior, interior and detail photos with their licences.

02Production & history

Production

Every figure says what it counts.

What is countedFigureBasisStatus
Total model productionper-year figures 1939: 4, 1940: 4 81 Factory production Independently researched

Independent counts (e.g. engine and colour) are never combined into a calculated figure. Surviving examples are never presented as original production.

History

Not yet documented. Have a source? Contribute it.

Variants

How each version differs from the standard 6C 2500 SS Corsa Spider.

No variants documented yet. Have a source? Contribute it.

03Specifications

Technical specifications

Engine

Engine familyNot yet verified
Engine codeNot yet verified
LayoutNot yet verified
Cylinders62
Displacement 2,443 cc / 2.4 LFactory: 2,443 cc2Base 6C 2500 engine figure from the museum page for the 6C 2500 Sport (95 CV model), not for this variant.
Bore 72 mmFactory: 72 mm2Base 6C 2500 engine figure.
Stroke 100 mmFactory: 100 mm2Base 6C 2500 engine figure.
Compression ratioNot yet verified
Fuel systemNot yet verified
PowerNot yet verified
Power atNot yet verified
TorqueNot yet verified

Transmission & drivetrain

GearboxNot yet verified
GearsNot yet verified
Driven wheelsNot yet verified

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionNot yet verified
Rear suspensionNot yet verified
BrakesNot yet verified
SteeringNot yet verified
Body constructionNot yet verified
WheelbaseNot yet verified
LengthNot yet verified
WidthNot yet verified
HeightNot yet verified
Front trackNot yet verified
Rear trackNot yet verified
Kerb weightNot yet verified
Dry weightNot yet verified

Performance

Maximum speedNot yet verified
0–100 km/hNot yet verified
Fuel tankNot yet verified

“Not yet verified” means no source has been checked for that value yet. Nothing is estimated to fill a gap.

04Colours & options

Factory colours & interiors

Original paint and trim, with the number of cars in each where a source gives it.

Not yet documented. Have a source? Contribute it.

Factory options & codes

Codes are shown exactly as written by the manufacturer.

Not yet documented. Have a source? Contribute it.

05Individual cars

Chassis register

Every documented car, with its colours, history and where it is now. Open a row for the full record. Known chassis are not automatically authenticated originals.

Not yet documented. Have a source? Contribute it.

Competition history

Every race result of the individual cars, in date order. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

Auction & sale history

Documented public sales of the individual cars. Click a chassis number to open its full record in the register.

Not yet documented. Have a source? Contribute it.

See one in person

Museums where an example of this car can be seen.

No example is documented on public display yet. Have a source? Contribute it.

06Reference

Identification guide

How to tell an original from a replica or later conversion.

Not yet documented. Have a source? Contribute it.

Sources

Each number links to the exact facts it supports.

  1. 1
    1939 Alfa Romeo 6C 2500 SS Corsa Spider Specifications - Ultimatecarpage.com Level C
    • 8 per-year figures 1939: 4, 1940: 4
    Accessed 2026-11-11
  2. 2
    Museo Storico Alfa Romeo, collection: 6C 2500 Sport Level A Museo Storico Alfa Romeo (Arese)
    • 6 cilindri in linea (Dettagli vettura)
    • 2443 cc (72x100 mm) (Dettagli vettura)
    Accessed 2026-11-12