Unleaded Petrol (lead substitute additives may have been recommended for earlier models if running on leaded fuel).
đ§ Transmission
Standard
Type 1:
4-speed Manual
Type 2:
5-speed Manual (common on higher trims and later models).
Optional
Type:
3-speed Automatic (e.g., by ZF or Renault's own design).
Features
Clutch Type:
Dry single-plate diaphragm spring clutch.
Gear Ratios:
Specific ratios are detailed within the manual, varying by transmission type and engine.
Transmission Fluid Type:
Typically API GL-4 specification manual transmission fluid (e.g., 75W-80 or 75W-90). Automatic transmission fluid (ATF) for automatic gearboxes.
đ Dimensions
Exterior
Length:
Sedan: Approx. 4390 mm; Estate: Approx. 4460 mm.
Width:
Approx. 1650 mm.
Height:
Sedan: Approx. 1370 mm; Estate: Approx. 1450 mm.
Wheelbase:
Approx. 2600 mm.
Weights
Kerb Weight:
Approx. 950-1150 kg depending on body style and engine.
Cargo
Cargo Volume Estate:
Substantial for its class, enhanced by the estate body style.
đĄïž Safety Features
Ratings
Era Safety Standards:
Reflects safety standards of the late 1970s and early 1980s, which were less stringent than modern standards.
Active Features
Brakes:
Hydraulic braking system, typically front discs and rear drums. Power assistance usually standard.
Steering:
Rack and pinion steering. Power steering was an option on higher trims.
Passive Features
Seatbelts:
Front seatbelts, typically lap and diagonal. Rear seatbelts may have been optional or standard depending on market and trim.
Construction:
Unibody construction with safety crumple zones designed into the chassis.
đĄ Technology Features
Infotainment
Audio System:
Basic AM/FM radio with optional cassette player. Speaker configurations were typically 2 or 4.
Driver Assistance
ABS:
Anti-lock Braking System (ABS) was not a standard feature on most R18 models of this period.
Connectivity
Connectivity Features:
No advanced connectivity features such as Bluetooth or USB ports. Communication was limited to radio signals.
đ§ Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 - 7,500 km or 6-12 months, depending on usage and oil type (refer to manual for exact specification).
Major Service Interval:
Spark plug replacement, ignition timing adjustment, valve clearance check (if applicable) typically around 20,000 - 30,000 km.
Fluid Specifications
Engine Oil Grade:
API SE/SF or equivalent. Viscosity grades like 10W-40 or 20W-50 often recommended, depending on climate (manual specifies).
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors. Specific mix ratio (e.g., 50/50) required.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Known Issues
Rust And Corrosion:
Prone to rust, particularly in wheel arches, sills, and around windows, typical for vehicles of this era.
Electrical Gremlins:
Aging wiring harnesses, corroded connections, and faulty switches can lead to intermittent electrical issues.
Carburetor Issues:
Carburetors may require periodic adjustment or rebuild due to wear and deposits.
Suspension Wear:
Bushings and ball joints in the suspension can wear over time, leading to knocking noises and imprecise handling.
đ Vehicle History
Brand Heritage
Manufacturer Legacy:
Renault, a French manufacturer with a long history in mass-market and innovative automotive design.
Model Evolution
Predecessor:
Renault 12.
Successor:
Renault 21.
Production
Manufacturing Locations:
Primarily France, but also produced under license in other countries including Argentina, Colombia, and Spain.
Production Volume:
Significant global production run, reflecting its popularity as a family and executive car.
đ Awards & Recognition
Recognitions
Industry Awards:
While not a single 'Car of the Year' winner in major markets, the R18 was well-regarded for its practicality and comfortable ride, earning it a solid reputation.
Ratings
Reliability Reputation:
Generally considered reliable for its time, but like all older vehicles, requires diligent maintenance. Specific long-term reliability varies by individual car and maintenance history.
Certifications
Emission Standards:
Compliant with emission regulations of the period in its respective markets; manual will detail specific emission control systems if present.