Makes › MG United Kingdom › 18/80 · Rare production · 1928–1933 Very Rare

MG
18/80

MG's first six-cylinder model, Mk I/II/III

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

MG 18/80 (Wikimedia Commons: MG 18/80)
MG 18/80 (Wikimedia Commons: MG 18/80)
Photo: Matthias v.d. Elbe · CC BY-SA 3.0
736BuiltIndependently 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
736 Built
Years
1928–1933
Engine
Inline-6 · 2,468 cc / 2.5 LFactory: 2,468 cc
Power
Not yet verified
Top speed
126 km/hFactory: 126 km/h
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 rarityVery Rare 736 · 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 productioncars, all versions 7361 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 18/80.

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

03Specifications

Technical specifications

Engine

Engine manufacturerMorris2 Independently researched
Engine familyNot yet verified
Engine codeNot yet verified
LayoutInline-63 Independently researched
Cylinders63 Independently researched
Displacement 2,468 cc / 2.5 LFactory: 2,468 cc3 Independently researched
Bore 69 mmFactory: 69 mm3 Independently researched
Stroke 110 mmFactory: 110 mm3 Independently researched
Compression ratio5.8:12 Independently researched
ValvetrainSOHC, 2 valves per cylinder3 Independently researched
Fuel systemTwo SU carburettors2 Independently researched
InductionNaturally aspirated3 Independently researched
PowerNot yet verified
Power atNot yet verified
TorqueNot yet verified

Transmission & drivetrain

GearboxNot yet verified
GearsNot yet verified
Driven wheelsRear3 Independently researched

Chassis, body & dimensions

ChassisNot yet verified
Front suspensionNot yet verified
Rear suspensionNot yet verified
BrakesNot yet verified
SteeringNot yet verified
Body constructionNot yet verified
Wheelbase 2,896 mmFactory: 2,896 mm3 Independently researchedSame on Mk I and Mk II pages.
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 speed 126 km/hFactory: 126 km/h3 Independently researchedSame figure for Mk I and Mk II.
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
    MG Owners' Club – MG 18/80 Tourer Level B
    • 736 cars, all versions
    Accessed 2026-11-12
  2. 2
    1928 MG 18/80 Mk I: detailed specifications Level C Carfolio.com
    • Engine manufacturer Morris
    • compression ratio 5.8:1
    • Fuel system 2 SU carbs
    Accessed 2026-11-13
  3. 3
    1928 MG 18/80 Mk I: detailed specifications Level D Carfolio
    • single overhead camshaft 6 cylinder with 2 valves per cylinder
    • 6 cylinder
    • 2468 cc
    • 69 x 110 mm
    • single overhead camshaft ... 2 valves per cylinder
    • naturally aspirated petrol
    • front located engine driving through the rear wheels
    • 2896 mm
    • Maximum speed stated is 126 km/h (78 mph)
    Accessed 2026-11-13