Makes › Pegaso Spain › Z-103 · Prototype · 1951–1956

Pegaso
Z-103

Simplified OHV V8 successor to the Z-102; reportedly three completed

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

IDENTIFICATION CARD · PEGASO Z-103 1951–1956
No licensed photograph yet. Photographs are published only when their licence permits it.
?ProductionNot yet verified
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
Not yet verified
Years
1951–1956
Engine
V-8
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

The Z-103 was a Spanish grand touring car that surprised the 1951 Paris show with advanced engineering. ENASA made nearly every part of it in-house, which Motor Trend presents as a training exercise for Spanish industry.

How rare is it?

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

Model rarityNot yet assessed Production figure not yet verified.
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.

02Production & history

Production

Every figure says what it counts.

No production figures recorded yet.

History

Design work began in 1950, and ENASA took the car racing in 1952, where it won hill climbs and rally events. Motor Trend's subject car was the 72nd of 86 officially built between 1951 and 1956.

Variants

How each version differs from the standard Z-103.

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

03Specifications

Technical specifications

Engine

Engine familyNot yet verified
Engine codeNot yet verified
LayoutV-81 Independently researchedDescribes the original 1951 engine, which had four camshafts.
DisplacementNot yet verified
BoreNot yet verified
StrokeNot yet verified
Compression ratioNot yet verified
ValvetrainFour gear-driven camshafts (original 1951 engine)1 Independently researchedThe 1955 engine used pushrod-actuated overhead valves instead, per Motor Trend.
Fuel systemNot yet verified
PowerNot yet verified
Power atNot yet verified
TorqueNot yet verified
Redline 5,800 rpm1 Independently researchedMotor Trend gives this for the 1955 pushrod engine.

Transmission & drivetrain

GearboxRear-mounted five-speed transaxle1 Independently researched
Gears51 Independently researched
Driven wheelsNot yet verified

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionNot yet verified
Rear suspensionDe Dion tube with transverse torsion bars1 Independently researched
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
    1956 Pegaso Z-103 Panoramica - Reign in Spain Level C Frank Markus · Motor Trend Classic · 2013-12-21
    • a free-breathing, four-cam V-8
    • with four gear-driven camshafts running in needle bearings
    • pushrod-actuated overhead valves good for 5800 rpm
    • rear-mounted, motorcycle-style five-speed transaxle
    • linked to transverse torsion bars above the trans
    Accessed 2026-11-13