The Citroën ZX 1.1, produced between 1992 and 1993, represents the entry point into the first generation (N2, Phase I) of Citroën’s ZX hatchback range. Positioned as an affordable and economical family car, the 1.1-liter variant aimed to provide basic transportation with Citroën’s renowned comfort. This model was a key component of Citroën’s strategy to offer a modern, spacious, and technologically advanced hatchback to compete in the crowded European C-segment. The ZX, as a whole, was intended to replace the aging BX, and the 1.1 served as the volume seller, appealing to budget-conscious buyers.
Technical Specifications
| Brand | Citroën |
| Model | ZX |
| Generation | ZX (N2, Phase I) 5-door |
| Type (Engine) | 1.1 (54 Hp) |
| Start of production | 1992 |
| End of production | 1993 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 17.4 kg/Hp, 57.4 Hp/tonne |
| Weight-to-torque ratio | 10.7 kg/Nm, 93.6 Nm/tonne |
| Power | 54 Hp @ 6200 rpm |
| Power per litre | 48 Hp/l |
| Torque | 88 Nm @ 3800 rpm (64.91 lb.-ft. @ 3800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | HDY TU1MZ |
| Engine displacement | 1124 cm3 (68.59 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 72 mm (2.83 in.) |
| Piston Stroke | 69 mm (2.72 in.) |
| Compression ratio | 9.1:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Single-point injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | OHC |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Coolant | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 940 kg (2072.35 lbs.) |
| Max. weight | 1465 kg (3229.77 lbs.) |
| Max load | 525 kg (1157.43 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%) | 900 kg (1984.16 lbs.) |
| Permitted trailer load without brakes | 465 kg (1025.15 lbs.) |
| Permitted towbar download | 70 kg (154.32 lbs.) |
| Length | 4071 mm (160.28 in.) |
| Width | 1688 mm (66.46 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) | 114 mm (4.49 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, manual transmission |
| Front suspension | Independent type McPherson, Wishbone |
| Rear suspension | Hydro-pneumatic element, Trailing arm |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 165/70 R13 |
Powertrain & Engine Architecture
The Citroën ZX 1.1 utilized the TU1MZ engine, a 1.1-liter inline-four cylinder petrol engine. This engine, part of the TU series developed by Peugeot-Citroën, was known for its simplicity and fuel efficiency. The HDY engine code specifically denotes a version tailored for the ZX. It featured a single overhead camshaft (OHC) operating two valves per cylinder. Fuel delivery was managed by a single-point fuel injection system, a relatively basic setup compared to the multi-point injection systems becoming more common at the time. This system, while cost-effective, contributed to slightly lower performance and increased emissions. The engine produced 54 horsepower at 6200 rpm and 88 Nm (64.91 lb-ft) of torque at 3800 rpm. The engine was transversely mounted, driving the front wheels. The transmission was a standard five-speed manual gearbox, optimized for economy rather than sporty driving.
Driving Characteristics
The ZX 1.1, with its modest power output, offered a decidedly unhurried driving experience. Acceleration was slow, and overtaking required careful planning. The five-speed gearbox helped to keep the engine within its optimal rev range, but the lack of torque meant frequent downshifts were necessary, especially when carrying passengers or cargo. Compared to the more powerful 1.6 and 2.0-liter versions of the ZX, the 1.1 felt significantly underpowered. However, the ZX’s renowned hydropneumatic suspension provided a remarkably comfortable ride, even on rough roads, mitigating some of the performance shortcomings. The steering was light and precise, making it easy to maneuver in urban environments. The gear ratios were spaced to prioritize fuel economy, resulting in a higher final drive ratio.
Equipment & Trim Levels
The 1.1-liter ZX was typically the base model, and as such, came with a relatively sparse equipment list. Standard features 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 included a radio cassette player, upgraded seat fabrics, and a sunroof. The trim level was generally identified as the “base” or “L” trim, signifying its entry-level positioning.
Chassis & Braking
The ZX featured an independent McPherson strut front suspension and a unique hydropneumatic rear suspension system, a Citroën hallmark. This system provided exceptional ride comfort and self-leveling capabilities. The 1.1-liter model typically used smaller diameter tires (165/70 R13) and featured disc brakes on the front wheels and drum brakes on the rear. ABS (Anti-lock Braking System) was often an optional extra, depending on the market. The suspension was tuned for comfort, with softer springs and dampers, contributing to the car’s smooth ride quality. Stabilizer bars were present, but were relatively thin compared to those found on higher-spec ZX models.
Market Reception & Comparison
The Citroën ZX 1.1 was generally well-received as an affordable and comfortable family car. Critics praised its ride quality and spacious interior, but noted its lack of performance. Compared to rivals like the Ford Escort and Volkswagen Golf, the ZX 1.1 offered a more comfortable ride but lacked the same level of refinement and performance. Fuel economy was a strong point, making it an attractive option for budget-conscious buyers. Reliability was generally good, although the single-point fuel injection system could be prone to issues over time. The 1.6-liter ZX offered a significant performance upgrade, while the diesel models provided even better fuel economy, but at a higher initial cost.
Legacy
The Citroën ZX 1.1, while not a performance icon, remains a fondly remembered car for its comfort and practicality. The TU1MZ engine, while simple, proved to be relatively durable, and many examples are still on the road today. In the used car market, the 1.1-liter ZX is often the most affordable option, making it a popular choice for first-time car owners or those seeking a cheap and reliable runabout. The hydropneumatic suspension, while requiring occasional maintenance, continues to provide a unique and comfortable driving experience. The ZX, as a whole, represented a significant step forward for Citroën, and the 1.1-liter model played a crucial role in establishing its success in the competitive European hatchback market.
