The Renault 21 Combi 2.1 D, produced between 1989 and 1994, was a practical and economical station wagon aimed at families and those requiring substantial cargo space. Part of the K48 series, the Combi (Renault’s term for ‘estate’ or ‘wagon’) represented the versatile body style within the broader Renault 21 range, which itself was a successor to the popular Renault 18. This particular 2.1-liter diesel variant, producing 70 horsepower, occupied the lower end of the 21 Combi lineup, prioritizing fuel efficiency and affordability over outright performance. It was a common sight on European roads, particularly in France, where it served as a workhorse vehicle for both personal and commercial use.
Technical Specifications
| Brand | Renault |
| Model | 21 |
| Generation | 21 Combi (K48) |
| Type (Engine) | 2.1 D (70 Hp) |
| Start of production | 1989 |
| End of production | 1994 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 7.5 l/100 km (31.4 US mpg) |
| Fuel consumption (extra urban) | 5.3 l/100 km (44.4 US mpg) |
| Fuel consumption (combined) | 7.3 l/100 km (32.2 US mpg) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 15.1 sec |
| Acceleration 0 – 62 mph | 15.1 sec |
| Acceleration 0 – 60 mph | 14.3 sec |
| Maximum speed | 164 km/h (101.9 mph) |
| Weight-to-power ratio | 16.4 kg/Hp |
| Weight-to-torque ratio | 8.5 kg/Nm |
| Power | 70 Hp @ 4500 rpm |
| Torque | 136 Nm @ 2250 rpm (100.31 lb.-ft. @ 2250 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | J8S |
| Engine displacement | 2068 cm3 (126.2 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 86 mm (3.39 in.) |
| Piston Stroke | 89 mm (3.5 in.) |
| Compression ratio | 21.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Naturally aspirated |
| Valvetrain | OHC |
| Engine oil capacity | 6.1 l (6.45 US qt | 5.37 UK qt) |
| Coolant capacity | 7.1 l (7.5 US qt | 6.25 UK qt) |
| Kerb Weight | 1150 kg (2535.32 lbs.) |
| Max. weight | 1750 kg (3858.09 lbs.) |
| Max load | 600 kg (1322.77 lbs.) |
| Trunk (boot) space – minimum | 674 l (23.8 cu. ft.) |
| Trunk (boot) space – maximum | 1694 l (59.82 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Length | 4693 mm (184.76 in.) |
| Width | 1723 mm (67.83 in.) |
| Height | 1450 mm (57.09 in.) |
| Wheelbase | 2809 mm (110.59 in.) |
| Front track | 1454 mm (57.24 in.) |
| Rear track | 1408 mm (55.43 in.) |
| Drivetrain | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Spring Strut |
| Rear suspension | Torsion |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic |
| Tires size | 175/65 R14 |
| Wheel rims size | 14 |
Powertrain & Engine Architecture
The heart of the Renault 21 Combi 2.1 D was the J8S engine, a 2.1-liter inline-four cylinder diesel. This engine utilized precombustion chamber injection, a common diesel technology of the era. This system involved injecting fuel into a small precombustion chamber connected to the main cylinder, where it was partially ignited before entering the main combustion chamber for complete combustion. This design aided in smoother combustion and reduced engine noise compared to direct injection systems. The engine featured an overhead camshaft (OHC) valvetrain operating two valves per cylinder. The 70 horsepower output was achieved at 4500 rpm, while peak torque of 136 Nm (100.31 lb-ft) was delivered at a relatively low 2250 rpm. This torque curve was well-suited to the Combi’s role as a load-carrier. The engine was paired with a five-speed manual transmission, which was the standard offering for this variant. While an automatic transmission was available on other 21 models, it wasn’t offered with the 2.1 D engine due to the limited power output.
Driving Characteristics
The 2.1 D Combi was not designed for spirited driving. Acceleration was leisurely, taking approximately 15.1 seconds to reach 62 mph (100 km/h). The focus was on fuel economy and durability. The five-speed manual transmission allowed drivers to keep the engine in its optimal torque band, making it reasonably capable of handling a full load of passengers and cargo. The gear ratios were spaced to prioritize fuel efficiency, meaning that highway cruising was comfortable, but overtaking required careful planning. Compared to the gasoline-powered Renault 21 variants, the diesel offered significantly better fuel economy but lacked the responsiveness and refinement of the petrol engines.
Equipment & Trim Levels
The 2.1 D Combi typically represented the entry-level trim within the Combi range. Standard equipment included basic cloth upholstery, a simple dashboard layout, and manual windows and door locks. Power steering was often included, but air conditioning and central locking were usually optional extras. The interior was functional and durable, prioritizing practicality over luxury. Optional extras could include a sunroof, upgraded stereo systems, and different wheel covers. The overall aesthetic was understated, reflecting the vehicle’s utilitarian purpose.
Chassis & Braking
The Renault 21 Combi utilized a relatively simple chassis design. Front suspension consisted of MacPherson strut springs, while the rear employed a torsion beam setup. This configuration provided a reasonable balance between ride comfort and handling. Braking was accomplished via ventilated discs on the front wheels and drum brakes on the rear. ABS (Anti-lock Braking System) was available as an option, enhancing safety, particularly when carrying a heavy load or driving in adverse conditions. The steering was rack and pinion, providing adequate precision for everyday driving.
Market Reception & Comparison
The Renault 21 Combi 2.1 D was well-received in the European market as a practical and affordable family vehicle. Critics praised its fuel efficiency and spacious interior, but noted its lack of performance. Compared to the gasoline-powered Renault 21 models, the diesel offered significantly better fuel economy, making it a popular choice for high-mileage drivers. However, the petrol engines provided a more refined driving experience and quicker acceleration. Against competitors like the Peugeot 505 Estate and Citroën BX Estate, the Renault 21 Combi offered a competitive combination of price, space, and fuel economy.
Legacy
The Renault 21 Combi 2.1 D, while not a performance icon, proved to be a durable and reliable vehicle. The J8S diesel engine, though somewhat agricultural by modern standards, was known for its longevity. Today, these vehicles are relatively rare, but well-maintained examples are sought after by enthusiasts and collectors. The 2.1 D powertrain is generally considered to be robust, but like any older vehicle, it requires regular maintenance to prevent issues. Parts availability can be a challenge, but many components are still available through specialist suppliers. The Renault 21 Combi 2.1 D remains a testament to the practicality and durability of French automotive engineering from the late 1980s and early 1990s.
