Makes › Monteverdi Switzerland › Sierra · Rare production

Monteverdi
Sierra

Swiss-built station-wagon conversion of the Plymouth Volare; around 20 cars claimed.

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

Monteverdi Sierra (Wikimedia Commons search)
Monteverdi Sierra (Wikimedia Commons search)
Photo: Buch-t · Public domain
?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
Not yet verified
Engine
V8 · 5,210 cc / 5.2 LFactory: 318 cu in · converted
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 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.

Photos

Exterior, interior and detail photos with their licences.

02Production & history

Production

Every figure says what it counts.

No production figures recorded yet.

History

A 1979 Monteverdi Sierra offered for sale was claimed to be one of 20 built. The Sierra was based on a Plymouth Volare.

Variants

How each version differs from the standard Sierra.

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

03Specifications

Technical specifications

Engine

Engine familyNot yet verified
Engine code318 LA1 Independently researchedEngine as described in the auction listing for one car; not checked against a registry.
LayoutV81 Independently researched
Displacement 5,210 cc / 5.2 LFactory: 318 cu in · converted1 Independently researched
BoreNot yet verified
StrokeNot yet verified
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

Chassisbased on a Plymouth Volare, retaining many Plymouth parts1 Independently researchedBase-car description from the auction listing, not a frame description.
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
    Never Seen One: 1979 Monteverdi Sierra Level C Bring a Trailer · 2015-05-14
    • most notably the 318 LA V8
    • Based on a Plymouth Volaré
    • retains many of the Plymouth
    Accessed 2026-11-13