Bold Styling and Late-1960s Refinement
The HR Holden represented the peak of mid-1960s Holden refinement, offering comfortable interiors, reliable “Red” six-cylinder engines, and subtle styling improvements. By 1968, Holden launched the HK Holden, which introduced bolder styling, improved mechanicals, and enhanced comfort features, marking a significant step in Holden’s late-1960s evolution.
The HK Holden built on the HR’s strengths with a more aggressive look, updated suspension, and refined trim, offering a modern driving experience for its era.
Design and Styling Comparison
Exterior Design
HR Holden:
- Mid-1960s styling with refined lines and subtle chrome detailing
- Sedan, wagon, panel van, and utility variants
- Rounded roofline and modest tail fins
- Deluxe and Special trims offered extra chrome
HK Holden:
- Bolder late-1960s styling with sharper front grille and squared-off lines
- Redesigned tail lights and bumpers for a modern look
- Longer, lower, flatter look
- Sedan, wagon, panel van, and utility variants continued
- Chrome trim enhanced, especially on Deluxe and Special trims
- More muscular stance giving a stronger road presence
The HK looked more modern and aggressive than the HR, reflecting Holden’s move towards late-1960s styling trends.
Interior Design
HR Holden:
- Updated dashboard with improved gauges
- Bench seating for up to six
- Comfortable interior materials, basic ergonomics
HK Holden:
- Redesigned dashboard with improved visibility and clearer instrumentation
- Seats with better support and upgraded upholstery
- Deluxe and Special trims offered enhanced materials and finishes
- Cabin slightly more spacious and ergonomic
The HK interior offered a more comfortable and contemporary experience, suitable for longer drives.
Platform and Engineering Changes
Chassis and Suspension:
- HR: Ladder-frame chassis, refined suspension for smoother ride
- HK: Further suspension improvements for comfort and handling
- Steering more precise, reduced body roll, better ride over rough roads
Brakes and Safety:
- Drum brakes front and rear on base models; some variants offered disc brakes
- Optional seatbelts; minor safety improvements
- Overall ride stability and comfort improved over HR
The HK drove more smoothly and confidently than the HR, particularly over longer distances.
Engine and Drivetrain Comparison
HR Holden Engines:
- 149 cu in and 179 cu in “Red” six-cylinder engines
- Three-speed manual or optional column shift
- Rear-wheel drive
HK Holden Engines:
- Same “Red” six-cylinder engines with minor refinements for smoothness and reliability
- HK Holden offered V8 engines as was the first Holden to do so
- Three-speed manual, optional column shift, and improved clutch feel
- Rear-wheel drive retained
- Improved drivability over HR
Performance Comparison:
- HR: Reliable and smooth
- HK: Slightly smoother operation, improved clutch and gearbox feel. Better engine range
- Both offered dependable performance; HK felt more refined in everyday driving
Model Range Comparison
HR Holden:
- 4-door sedans, wagon, panel van, utility
- Standard, Premier and Special trims
HK Holden:
- 2-door and 4-door sedans, wagon, panel van, utility
- Belmont, Kingswood and Premier trims with refined interior and exterior touches
- Mechanical refinements for smoother operation and comfort
The HK retained versatility while offering upgrades over the HR. The HK Holden also offered the Monaro, 2 door coupe for the first time in the Holden line up. It was also the first to offer the Brougham, the longest Holden produced up to this point.
Technology and Features
HR:
- Basic dashboard with optional heater and radio
- Focused on practicality and reliability
HK:
- Updated dashboard with clearer instruments and improved ergonomics
- Optional heater, radio, and upgraded interior trim
- Better seat comfort and support
- Minor mechanical upgrades for smoother driving
The HK provided better comfort, usability, and driver experience than the HR.
Driving Experience
HR Holden:
- Smooth ride, responsive handling
- Powerful “Red” six-cylinder engines
- Comfortable for short and medium drives
HK Holden:
- Smoother suspension and improved steering
- Refined ride quality and better handling
- Cabin more comfortable and ergonomic
- Overall, a more polished and modern driving experience
The HK felt more contemporary and refined, making it an enjoyable late-1960s family car.
Reliability and Common Problems
HR:
- Reliable “Red” six-cylinder engines
- Minor wear in suspension or trim
- Easy to maintain
HK:
- Same reliable engines with minor mechanical refinements
- Interior trim slightly more durable
- Suspension improvements enhanced long-term comfort
Both models are dependable, but the HK offered improved refinement and driving enjoyment.
Ownership Costs Today
Purchase Price:
- HR: Collectible mid-1960s Holden
- HK: Slightly more desirable due to styling, comfort, and late-1960s appeal
Parts Availability:
- Limited for both; HK parts slightly easier to source due to later production
Running Costs:
- Both economical; HK refinements improved drivability and comfort
Collector and Enthusiast Value
HR Holden:
- Appreciated for mid-1960s styling and the refinement of Holden’s “Red” engine range
HK Holden:
- Highly collectible late-1960s Holden
- Bold styling and improved comfort make it desirable
- Deluxe and Special trims particularly sought after
Choose HR if:
- You want a mid-1960s Holden with historical significance
- You value refinement and reliable engines
Choose HK if:
- You want a bolder, more modern late-1960s Holden
- You value styling, improved comfort, and polished drivability
Verdict – Which Is Better? The HR Holden refined Holden’s mid-1960s design with comfort and reliability. The HK Holden built on this with bolder styling, improved suspension, and refined trim, offering a more modern and polished late-1960s driving experience. For collectors, the HR is historically significant, while the HK is prized for its style, comfort, and refinement. Both models are popular and significant.