The Citroen ZX 1.9D, specifically the three-door variant produced between 1993 and 1994, represented an entry-level offering within the broader ZX (N2, Phase I) range. Positioned as a fuel-efficient and practical hatchback, it aimed to provide affordable transportation within the European market. The ZX itself was Citroen’s replacement for the aging BX, and was built on the shared Peugeot 306 platform (though visually quite distinct). This particular 1.9D model served as a cost-effective alternative to the more powerful gasoline engines and the later, more refined diesel options available in the ZX lineup.
Technical Specifications
| Brand | Citroen |
| Model | ZX |
| Generation | ZX (N2, Phase I) 3-door |
| Type (Engine) | 1.9 D (64 Hp) |
| Start of production | 1993 |
| End of production | 1994 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (urban) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| Fuel consumption (extra urban) | 4.4 l/100 km (53.5 US mpg, 64.2 UK mpg, 22.7 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 18.5 sec |
| Acceleration 0 – 62 mph | 18.5 sec |
| Acceleration 0 – 60 mph | 17.6 sec |
| Maximum speed | 161 km/h (100.04 mph) |
| Weight-to-power ratio | 16 kg/Hp, 62.3 Hp/tonne |
| Weight-to-torque ratio | 8.7 kg/Nm, 114.9 Nm/tonne |
| Power | 64 Hp @ 4600 rpm |
| Power per litre | 33.6 Hp/l |
| Torque | 118 Nm @ 2000 rpm (87.03 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | DJZ XUD9 |
| Engine displacement | 1905 cm3 (116.25 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 88 mm (3.46 in.) |
| Compression ratio | 23.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Precombustion chamber injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHC |
| Engine oil capacity | 5 l (5.28 US qt | 4.4 UK qt) |
| Coolant | 8.5 l (8.98 US qt | 7.48 UK qt) |
| Kerb Weight | 1027 kg (2264.15 lbs.) |
| Max. weight | 1560 kg (3439.21 lbs.) |
| Max load | 533 kg (1175.06 lbs.) |
| Trunk (boot) space – minimum | 324 l (11.44 cu. ft.) |
| Trunk (boot) space – maximum | 1146 l (40.47 cu. ft.) |
| Fuel tank capacity | 56 l (14.79 US gal | 12.32 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1000 kg (2204.62 lbs.) |
| Permitted trailer load without brakes | 510 kg (1124.36 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4071 mm (160.28 in.) |
| Width | 1702 mm (67.01 in.) |
| Height | 1397 mm (55 in.) |
| Wheelbase | 2540 mm (100 in.) |
| Front track | 1414 mm (55.67 in.) |
| Rear (Back) track | 1407 mm (55.39 in.) |
| Front overhang | 849 mm (33.43 in.) |
| Rear overhang | 682 mm (26.85 in.) |
| Ride height (ground clearance) | 119 mm (4.69 in.) |
| Minimum turning circle (turning diameter) | 11.3 m (37.07 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent type McPherson, Wishbone |
| Rear suspension | Hydro-pneumatic element, Trailing arm |
| Front brakes | Disc |
| Rear brakes | Drum |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 165/70 R13 |
| Wheel rims size | 5J x 13 |
Powertrain & Engine Architecture
The heart of the ZX 1.9D was the XUD9 diesel engine, specifically the DJZ variant. This 1.9-liter inline-four cylinder engine was a mainstay of Citroen and Peugeot vehicles throughout the 1990s. It utilized precombustion chamber injection, a system common in European diesels of the era, which involved injecting fuel into a small pre-chamber within the cylinder head to promote more complete combustion. The engine featured an overhead camshaft (OHC) valvetrain operating two valves per cylinder. The XUD9 was known for its robustness and relatively simple design, contributing to its longevity. The engine was mounted longitudinally in the front of the vehicle, driving the front wheels.
Driving Characteristics
With only 64 horsepower, the ZX 1.9D was not a performance-oriented vehicle. Acceleration was leisurely, taking approximately 18.5 seconds to reach 62 mph. However, the engine’s 118 Nm (87 lb-ft) of torque, available from 2000 rpm, provided adequate pulling power for everyday driving. The five-speed manual transmission was well-matched to the engine’s characteristics, allowing drivers to keep the engine in its optimal torque band. Compared to the gasoline-powered ZX models, the 1.9D offered significantly better fuel economy, but at the expense of outright speed and refinement. The 1.9D was noticeably slower than the 1.8L gasoline variants, and even the later 2.0L diesel models offered a more responsive driving experience.
Equipment & Trim Levels
The 1.9D three-door ZX was typically a fairly basic specification. Standard equipment generally included 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 designed with practicality in mind, offering a functional and durable environment. Trim levels were relatively limited on this base model, with options primarily focused on comfort and convenience features.
Chassis & Braking
The ZX featured an independent McPherson strut front suspension and a hydro-pneumatic trailing arm rear suspension – a Citroen hallmark. This suspension setup provided a comfortable ride, absorbing bumps and imperfections in the road effectively. However, the 1.9D models typically used smaller diameter tires (165/70 R13) and had disc brakes at the front and drum brakes at the rear, reflecting its position as an entry-level model. Stabilizer bars were present, but were generally thinner than those found on higher-spec ZX variants.
Market Reception & Comparison
The ZX 1.9D was well-received by buyers seeking an economical and reliable hatchback. Critics praised its fuel efficiency and robust engine, but noted its lack of performance. Compared to other diesel hatchbacks of the time, such as the Volkswagen Golf 1.9 TDI, the ZX 1.9D offered a competitive price point but lacked the refinement and power of the VW. Within the ZX range, the 1.9D was positioned as the most affordable option, appealing to budget-conscious buyers.
Legacy
The XUD9 engine, found in the ZX 1.9D, is renowned for its durability and longevity. Many examples remain on the road today, testament to its robust construction. While not particularly sophisticated by modern standards, the engine is relatively easy to maintain and repair. The ZX 1.9D has become a popular choice among classic car enthusiasts seeking an affordable and reliable French hatchback. Parts availability is generally good, and the car’s simple design makes it a relatively straightforward vehicle to work on. However, age-related issues such as corrosion and wear on suspension components are common concerns for owners.
