DO1:18DIECASTOBSERVER / SCALE MODELS
Model reviewsCollector guidesCollectionsSaved models
Home / European models / Reviews / CMC M-231 Porsche 904 review: remarkable access, demanding small fittings

CMC M-231 Porsche 904 review: remarkable access, demanding small fittings

CMC’s Monte Carlo Porsche 904 combines an intricate rear cover with visible wheel screws, delicate locks and a front hood that needs attention.

Brand: CMC Type: Model car
THE COLLECTOR’S FILE

At a Glance

DO / MODEL NOTES
Porsche 904 Carrera GTS #150 Eugen Bohringer - Rolf Wutherich 2nd Place "Rallye Monte Carlo" (1965) Limited Edition to 1500 pieces Worldwide 1/18 Diecast Model Car by CMC

Model essentials

  • 1:18 number 150 Monte Carlo edition
  • Compound-motion rear cover
  • Sliding side windows
  • Removable wheels

Collection highlights

  • Engine access is unusually engaging
  • Rally-specific fittings distinguish this edition
  • Cabin and wheel details reward close inspection

Before you choose

  • Wheel-center screws remain visible in rally form
  • Front hood does not stay raised unaided
  • Plate details draw source criticism
Read the full analysis

Available from Diecast Models Wholesale

View model at retailer ↗

Price and availability subject to change

Table of Contents

  • Overview
  • Specifications

The rear cover is the main event on CMC’s Monte Carlo 904. Its movement travels back and upward to reveal the engine and rear structure, rather than simply hinging like a small trunk lid. That rewards a collector who wants to understand the miniature’s mechanism as well as admire the finished car.

Do not undo the decorative side straps to open the rear cover. The inspection describes them as magnetically attached at the body and moving with the cover. Use the model’s instructions for its locking pins.

Access comes with small-scale compromises

Two opening areas, different behavior
Area Useful detail Limitation
Rear cover Complex opening motion and exposed engine detail Tiny locks require deliberate handling.
Front compartment Tank and strapped spare wheel The inspected front hood does not remain open by itself.
Wheels Removable wheels and supplied hubcaps Visible cross-head screws interrupt the uncovered rally appearance.

The number-150 inspection identifies Monte-specific lamps, an extra wiper and a rear spoiler. It also criticizes the license-plate typography and front inspection sticker. Those small historical details matter more on a close-up rally display than on a distant shelf.

Covering the wheel centers with the included hubcaps hides the screws, but changes the rally presentation described by the source. Treat that as a display compromise, not a correction that improves every aspect at once.

Collectors choosing between a moving cover and strap-secured access can compare the 904 and green GTO handling tradeoffs.

Pros & Cons Analysis

See the source attributions and review limitations below.

Pros

  • The rear cover reveals engine, transmission and suspension detail together, giving the opening movement a purpose beyond novelty.
  • Additional lamps, wiper and spoiler make the Monte Carlo model more specific than a generic silver 904.
  • Sliding windows and removable wheels offer different ways to inspect small details, provided the supplied instructions and tools are used.

Cons

  • Hubcaps can conceal the cross-head centers, but the inspection states that they do not match the rally configuration.
  • The front hood’s tendency not to remain open complicates an unattended all-open display.
  • The source questions lettering weight and the front plate’s inspection sticker; a close historical recreation should retain those reservations.

Make the rear mechanism the centerpiece

M-231 is compelling when the cover motion and exposed rear assembly are central to the purchase. It is less convincing as a flawless, effortless rally miniature: the wheel centers, plate details and front-hood behavior remain real compromises. Patient inspection suits it better than frequent casual handling.

View merchant listing ↗

Frequently Asked Questions

Are alternative exhaust systems included?

The inspection describes the Monte Carlo model with the Sebring exhaust. Other compatible exhaust assemblies were separate accessories, not a set supplied with this model. Check the current offer before assuming an additional system is included.

Technical Specifications

BrandCMC
Product codeM-231
SubjectPorsche 904 Carrera GTS
Edition / version1965 Monte Carlo number 150
Color / liverySilver with rally markings
Scale1:18
Model typeModel car
MaterialsDiecast metal with other materials
Length9.5 in
Width4 in
Height2.75 in
Measurement basisApproximate merchant catalog model dimensions; pose unspecified
Opening panelsDoors; front hood; rear engine cover; rear luggage hatch
Moving partsSteerable wheels; sliding windows; removable wheels; removable spare; screw-cap fittings
LightingUnknown
Power sourceUnknown
Included figuresUnknown
Included equipmentHubcaps and wheel-removal tools documented in inspected set; alternative exhausts separate
Display baseUnknown

You Might Also Like

View All European models
Norev 183843 Mercedes SL review: better with the roof off
Model car

Norev 183843 Mercedes SL review: better with the roof off

AUTOart 79027 Regera review: a roof that stows inside the model
Road car

AUTOart 79027 Regera review: a roof that stows inside the model

CMC M-104 W25 review: six hood catches are part of the appeal
Model car

CMC M-104 W25 review: six hood catches are part of the appeal

Norev 187190 Targa review: Bahama Yellow changes the 992.2 display
Model car

Norev 187190 Targa review: Bahama Yellow changes the 992.2 display

ALL CATEGORIES

American muscle

Construction models

European models

Japanese models

Movie & TV cars

Trucks & haulage

× Product Image
DIECAST OBSERVER

Small scale. A closer look.

Independent reading for your next model and the collection around it.

Model reviewsCollector guidesSaved modelsAboutContactAffiliate disclosurePrivacy

Independent affiliate editorial site. We may earn a commission from qualifying purchases through merchant links. Product imagery is supplied by the merchant where credited. Category and guide artwork uses AI-generated editorial illustrations.

© 2026 Diecast Observer