The Citroën ZX 1.8 i Automatic, produced between 1994 and 1997, represented a mid-range offering within the second phase (N2) of the ZX model line. Positioned as a comfortable and practical hatchback, it aimed to provide a balance between performance and ease of use, particularly appealing to drivers seeking an automatic transmission option. The ZX, as a whole, was Citroën’s replacement for the popular BX, and was built on the shared Peugeot 306 platform (1HX0/A3), benefiting from advancements in design and engineering. This 3-door variant, powered by the XU7JP engine and paired with an automatic gearbox, offered a distinct driving experience compared to its manual counterparts and other engine options within the ZX range.
Technical Specifications
| Brand | Citroen |
| Model | ZX |
| Generation | ZX (N2, Phase II) 3-door |
| Type (Engine) | 1.8 i (103 Hp) Automatic |
| Start of production | July, 1994 |
| End of production | 1997 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 3 |
| Fuel consumption (urban) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel consumption (extra urban) | 7.3 l/100 km (32.2 US mpg, 38.7 UK mpg, 13.7 km/l) |
| Fuel consumption (combined) | 9.4 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 176 km/h (109.36 mph) |
| Weight-to-power ratio | 9.8 kg/Hp, 102.2 Hp/tonne |
| Weight-to-torque ratio | 6.6 kg/Nm, 151.8 Nm/tonne |
| Power | 103 Hp @ 6000 rpm |
| Power per litre | 58.5 Hp/l |
| Torque | 153 Nm @ 3000 rpm (112.85 lb.-ft. @ 3000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | LFZ XU7JP/LZ |
| Engine displacement | 1762 cm3 (107.52 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 83 mm (3.27 in.) |
| Piston Stroke | 81.4 mm (3.2 in.) |
| Compression ratio | 9.3:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHC |
| Engine oil capacity | 4.75 l (5.02 US qt, 4.18 UK qt) |
| Coolant | 7.5 l (7.93 US qt, 6.6 UK qt) |
| Kerb Weight | 1008 kg (2222.26 lbs.) |
| Max. weight | 1550 kg (3417.17 lbs.) |
| Max load | 542 kg (1194.91 lbs.) |
| Trunk (boot) space – minimum | 324 l (11.44 cu. ft.) |
| Trunk (boot) space – maximum | 1146 l (40.47 cu. ft.) |
| Fuel tank capacity | 54 l (14.27 US gal, 11.88 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 | 500 kg (1102.31 lbs.) |
| Permitted towbar download | 70 kg (154.32 lbs.) |
| Length | 4071 mm (160.28 in.) |
| Width | 1688 mm (66.46 in.) |
| Height | 1399 mm (55.08 in.) |
| Wheelbase | 2540 mm (100 in.) |
| Front track | 1422 mm (55.98 in.) |
| Rear (Back) track | 1415 mm (55.71 in.) |
| Front overhang | 849 mm (33.43 in.) |
| Rear overhang | 682 mm (26.85 in.) |
| Minimum turning circle (turning diameter) | 11.1 m (36.42 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, automatic transmission |
| Front suspension | Independent type McPherson, Wishbone |
| Rear suspension | Hydro-pneumatic element, Trailing arm |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 175/65 R14 |
| Wheel rims size | 5.5J x 14 |
Powertrain & Engine Architecture
The heart of the ZX 1.8 i Automatic is the XU7JP engine, a 1.8-liter (1762 cc) inline-four cylinder petrol engine. This engine, part of the Peugeot-Citroën-Renault (PCR) family, was known for its robustness and relatively simple design. The ‘LZ’ engine code denotes a specific calibration for the ZX. It features a single overhead camshaft (OHC) operating two valves per cylinder. Fuel delivery is managed by a multi-port fuel injection system, providing a balance between efficiency and performance. The engine produces 103 horsepower at 6000 rpm and 153 Nm (113 lb-ft) of torque at 3000 rpm. The automatic transmission is a four-speed unit, designed to provide smooth gear changes and ease of driving. While not known for its sportiness, it was a reliable unit for its time.
Driving Characteristics
The 1.8L automatic ZX offers a comfortable, if not particularly exhilarating, driving experience. The automatic transmission prioritizes smoothness over rapid acceleration. Acceleration from 0-60 mph is estimated to be around 11-12 seconds, making it slower than the manual versions or the higher-powered 2.0L variants. The gear ratios are tuned for fuel efficiency and everyday usability, rather than outright performance. The hydropneumatic suspension, a Citroën hallmark, provides a remarkably smooth ride, absorbing bumps and imperfections in the road effectively. However, the automatic transmission can feel somewhat sluggish when attempting quick overtaking maneuvers, requiring careful planning. Compared to the 5-speed manual, the automatic version sacrifices some responsiveness for convenience.
Equipment & Trim Levels
The 1.8 i Automatic trim typically included features such as power steering, central locking, electric front windows, and an adjustable steering column. Interior upholstery was generally cloth, with a relatively simple dashboard layout. Optional extras could include air conditioning, a sunroof, and upgraded audio systems. The level of equipment was generally considered competitive for its price point in the mid-1990s. The 3-door configuration emphasized a slightly sportier aesthetic compared to the 5-door model, appealing to buyers who prioritized style and a more compact footprint.
Chassis & Braking
The ZX utilizes an independent McPherson strut front suspension and a hydro-pneumatic trailing arm rear suspension. This combination provides excellent ride comfort and handling characteristics. The front brakes are ventilated discs, offering good stopping power, while the rear brakes are drums. ABS (Anti-lock Braking System) was often included as standard equipment, enhancing safety. The chassis is relatively lightweight, contributing to the car’s overall efficiency. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Citroën ZX 1.8 i Automatic was generally well-received as a practical and comfortable family hatchback. Critics praised its ride quality and spacious interior. However, the automatic transmission was sometimes criticized for its lack of responsiveness compared to the manual gearbox. Fuel economy was considered average for its class. Compared to the more powerful 2.0L 16V versions, the 1.8L automatic offered a more affordable entry point into the ZX range, appealing to buyers who prioritized comfort and ease of use over outright performance. The 1.9 TDI diesel variant offered significantly better fuel economy, but at the expense of performance and refinement.
Legacy
The XU7JP engine, in its various forms, proved to be a durable and reliable unit. The automatic transmission, while not without its limitations, also demonstrated reasonable longevity. Today, the ZX 1.8 i Automatic can be found as a relatively affordable classic car. Parts availability is generally good, thanks to the engine’s widespread use in other Peugeot and Citroën models. However, as with any older vehicle, regular maintenance and attention to potential corrosion issues are essential. The ZX remains a fondly remembered example of Citroën’s commitment to innovative engineering and comfortable driving experiences.
