HMC Mk IV Classic Cars for Sale

History of the HMC Mk IV

The Holmes Motor Company was founded in 1984 by Graham and Peter Holmes in Stroud, Gloucestershire. Their vision was to produce a modern sports car that captured the spirit and looks of the classic Austin Healey 3000, yet offered improved technology and build quality. Drawing direct inspiration from the legendary Healey, the HMC Mk IV launched to positive acclaim. Geoffrey Healey himself endorsed the car, highlighting its authentic approach. However, due to a branding dispute with Jensen in 1989, the vehicle couldn't be marketed under the Healey name. Despite this challenge, the Mk IV carved out a unique standing among British sports cars of the 1990s.

Model Lineage and Development

The HMC Mk IV had no direct predecessor but was developed as a contemporary and sophisticated reimagining of the Austin Healey 3000. The Holmes brothers managed to combine distinctive 1960s character with new-era reliability and performance. When production ended in 1999 after 167 cars, primarily due to supply issues, it marked the close of HMC’s remarkable run. The Mk IV remains the core model of the company’s output and stands as a rare highlight in small-series British sports car construction.

Unique Features and Market Relevance

The Mk IV is powered by a 3.9-litre all-aluminium Rover V8, offering 190 PS and paired with a five-speed manual gearbox. Its independent suspension and aluminium differential contribute to a remarkably composed driving experience for a retro-styled roadster. Factory-fitted features include an immobiliser system, power-assisted brakes, stainless steel exhaust, and 15-inch chrome wire wheels. The interior is characterised by lightweight, moulded dashboards and traditional Smiths instruments, with original models delivered with full HMC documentation.

Technical Specifications

Special Editions and Collector Versions

A notable variant is the lightweight option, offering reduced mass for sharper on-road performance and further improved driving dynamics. These lightweight versions are particularly rare and sought after for their increased agility and even more engaging cornering behaviour.

Engine, Transmission, and Driving Behaviour

The potent 3.9-litre V8 and robust five-speed gearbox give the Mk IV lively acceleration and modern reliability uncommon among comparably styled classics. Independent suspension and aluminium components contribute to engaging handling dynamics, whether on fast straights or winding B-roads. The servo-assisted brake system ensures responsive stopping power, completing the contemporary driving package. All HMCs on the market belong to the Mk IV line – especially the lightweight variant, which is valued for its reduced curb weight and nimble character. The main differences between available cars lie in spec and condition rather than model diversity.

Interior, Comfort and Styling Highlights

Externally, the Mk IV closely mirrors the outline of the Austin Healey 3000, down to proportions and stance, but differentiates itself through its execution and detailing. The functional 15-inch chrome wire wheels, stainless steel exhaust, and sculpted, lightweight dashboard add modern refinement. Cockpit details, like Smiths gauges and supportive seats, combine retro charm with actual day-to-day usability. HMC supplied the car with comprehensive documentation; bespoke features and accessories could be specified by first owners, with some cars featuring rare equipment or trim variants.

Further Information

Each Mk IV was delivered with extensive documentation and factory records. Vehicles have generally received specialist maintenance – often by the Holmes Motor Company itself or authorised specialists – contributing to their stable values.

Summary

With just 167 cars built, the HMC Mk IV is a British sports car that authentically fuses classic looks with reliable, modern engineering. Its strong connection to the Healey tradition, supported by period praise and specialist upkeep, ensures that every Mk IV is a recognised rarity and a delight for discerning drivers and collectors alike.