Makes › Pegaso › 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.
Contents
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.
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 family | Not yet verified |
|---|---|
| Engine code | Not yet verified |
| Layout | V-81 Independently researchedDescribes the original 1951 engine, which had four camshafts. |
| Displacement | Not yet verified |
| Bore | Not yet verified |
| Stroke | Not yet verified |
| Compression ratio | Not yet verified |
| Valvetrain | Four gear-driven camshafts (original 1951 engine)1 Independently researchedThe 1955 engine used pushrod-actuated overhead valves instead, per Motor Trend. |
| Fuel system | Not yet verified |
| Power | Not yet verified |
| Power at | Not yet verified |
| Torque | Not yet verified |
| Redline | 5,800 rpm1 Independently researchedMotor Trend gives this for the 1955 pushrod engine. |
Transmission & drivetrain
| Gearbox | Rear-mounted five-speed transaxle1 Independently researched |
|---|---|
| Gears | 51 Independently researched |
| Driven wheels | Not yet verified |
Chassis, body & dimensions
| Chassis | Not yet verified |
|---|---|
| Front suspension | Not yet verified |
| Rear suspension | De Dion tube with transverse torsion bars1 Independently researched |
| Brakes | Not yet verified |
| Steering | Not yet verified |
| Body construction | Not yet verified |
| Wheelbase | Not yet verified |
| Length | Not yet verified |
| Width | Not yet verified |
| Height | Not yet verified |
| Front track | Not yet verified |
| Rear track | Not yet verified |
| Kerb weight | Not yet verified |
| Dry weight | Not yet verified |
Performance
| Maximum speed | Not yet verified |
|---|---|
| 0–100 km/h | Not yet verified |
| Fuel tank | Not 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
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







