Late-1960s Evolution with Refinement
The HT Holden marked Holden’s late-1960s evolution with refined styling, improved suspension, and new engine options, including the introduction of V8s in Monaro variants. In 1970, Holden released the HG Holden, which further modernized the lineup with styling tweaks, minor mechanical improvements, and updated comfort features, maintaining Holden’s dominance in the Australian market.
The HG Holden represented an evolution rather than a revolution, refining the HT with sleeker styling, better ride quality, and small mechanical upgrades while retaining the powerful engine range and versatility.
Design and Styling Comparison
Exterior Design
HT Holden:
- Bold late-1960s styling with squared-off front grille and tail lights
- Sedan, wagon, panel van, and utility variants
- Chrome trim functional, Deluxe and Special trims with extra detailing
- Muscular road presence
HG Holden:
- Minor styling updates over HT for a sleeker, more modern appearance
- Redesigned grille, bumper, and tail light arrangements
- Sedan, wagon, panel van, and utility variants retained
- Chrome trim subtly enhanced for a more polished finish
The HG looked slightly more refined than the HT, giving it a modern late-1960s appeal while keeping the aggressive stance.
Interior Design
HT Holden:
- Functional dashboard with clear instrumentation
- Comfortable bench seating for six
- Interior materials modest, with Deluxe and Special trims offering upgraded finishes
HG Holden:
- Updated dashboard layout and improved gauge readability
- Better seat cushioning and support
- Deluxe and Special trims received refined interior finishes and trim
- Cabin ergonomics slightly improved, enhancing comfort for passengers
The HG interior felt more modern and comfortable, particularly on longer drives.
Platform and Engineering Changes
Chassis and Suspension:
- HT: Ladder-frame chassis with refined suspension for smooth ride
- HG: Minor suspension upgrades for improved comfort and handling
- Steering slightly more responsive, body roll further reduced
Brakes and Safety:
- Drum brakes front and rear standard; optional disc brakes on some models
- Optional seatbelts; minor safety improvements over HT
- Overall ride quality and stability enhanced
The HG offered a more controlled and comfortable driving experience than the HT.
Engine and Drivetrain Comparison
HT Holden Engines:
- 149 cu in, 179 cu in “Red” six-cylinder engines
- Optional 186 cu in “Red” six-cylinder
- 253 cu in and 308 cu in V8 engines in Monaro and Special models
- Three-speed manual or optional column/floor shift
- Rear-wheel drive
HG Holden Engines:
- Same engine range with minor refinements for smoothness and reliability
- V8 engines received slight improvements in tuning and durability
- Gearbox and clutch slightly improved
- Rear-wheel drive retained
Performance Comparison:
- HT: Reliable and smooth, with strong V8 performance in Monaro
- HG: Slightly smoother operation, improved drivability, minor performance gains
- Both offered dependable power, with HG feeling more refined overall
Model Range Comparison
HT Holden:
- 2-door and 4-door sedans, wagon, panel van, utility
- Belmont, Kingswood, Premier and Monaro trims
HG Holden:
- 2-door and 4-door sedans, wagon, panel van, utility
- All trims refined
- Minor mechanical improvements enhanced smoothness and comfort
The HG retained versatility while refining driving dynamics and comfort compared to the HT.
Technology and Features
HT:
- Basic dashboard with optional heater and radio
- Focused on reliability and practicality
HG:
- Updated dashboard with improved ergonomics and clearer gauges
- Optional heater, radio, and upgraded interior trim
- Seats more supportive, cabin more comfortable
- Minor mechanical improvements for smoother operation
The HG offered enhanced comfort, usability, and driver experience over the HT.
Driving Experience
HT Holden:
- Smooth ride with reliable handling
- Powerful engines, including V8s for Monaro models
- Comfortable for families and short trips
HG Holden:
- Slightly improved suspension for a smoother, more controlled ride
- More refined steering and better cabin comfort
- Powerful V8s retained with improved drivability
- Overall, a more polished and enjoyable driving experience
The HG provided subtle but meaningful improvements in comfort and handling, enhancing the late-1960s Holden experience.
Reliability and Common Problems
HT:
- Reliable engines and mechanics
- Minor wear in suspension and trim
- Easy to maintain
HG:
- Similar reliability with minor mechanical refinements
- Slightly improved interior durability
- Suspension upgrades enhanced long-term comfort
Both models are dependable, with HG offering improved comfort and refinement.
Ownership Costs Today
Purchase Price:
- HT: Collectible late-1960s Holden
- HG: Slightly more desirable due to refined styling, comfort, and minor mechanical upgrades
Parts Availability:
- Limited for both; HG parts easier due to later production and Monaro popularity
Running Costs:
- Both economical; HG refinements improved drivability and comfort, V8 models require more maintenance
Collector and Enthusiast Value
HT Holden:
- Appreciated for bold late-1960s styling and reliability
- Monaro models particularly prized
HG Holden:
- Highly collectible late-1960s Holden
- Refined styling, comfort, and V8 options make it sought-after
- Premier, and Monaro trims particularly desirable
Choose HT if:
- You want a bold, reliable late-1960s Holden
- You value historical significance and classic styling
Choose HG if:
- You want a slightly more refined and comfortable late-1960s Holden
- You value updated trim, ergonomics, and improved drivability
Verdict – Which Is Better? The HT Holden introduced bold late-1960s styling and powerful V8 options. The HG Holden refined this with updated styling, improved suspension, and minor mechanical upgrades, providing a smoother and more comfortable driving experience. For collectors, HT is iconic for its bold appearance and performance, while HG is prized for refinement, comfort, and modernized features.