The Citroen C4 I Hatchback, specifically the 1.6i 16V (109 hp) Automatic variant produced between 2008 and 2010, represents a mid-range offering within the first generation (2004-2010) of Citroen’s compact family car. This Phase II update brought styling revisions and minor mechanical refinements to the original C4, aiming to enhance its appeal in the competitive European C-segment. Positioned as a comfortable and practical option, the 1.6i Automatic catered to buyers prioritizing ease of driving over outright performance. It served as a bridge between the more economical base models and the sportier, higher-powered versions.
Technical Specifications
| Brand | Citroen |
| Model | C4 |
| Generation | C4 I Hatchback (Phase II, 2008) |
| Type (Engine) | 1.6i 16V (109 Hp) Automatic |
| Start of production | 2008 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 10.6 l/100 km (22.2 US mpg, 26.6 UK mpg, 9.4 km/l) |
| Fuel consumption (extra urban) | 5.8 l/100 km (40.6 US mpg, 48.7 UK mpg, 17.2 km/l) |
| Fuel consumption (combined) | 7.6 l/100 km (30.9 US mpg, 37.2 UK mpg, 13.2 km/l) |
| CO2 emissions | 180 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 13.1 sec |
| Acceleration 0 – 62 mph | 13.1 sec |
| Acceleration 0 – 60 mph | 12.4 sec |
| Maximum speed | 188 km/h (116.82 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 11.7 kg/Hp, 85.3 Hp/tonne |
| Weight-to-torque ratio | 8.7 kg/Nm, 115 Nm/tonne |
| Power | 109 Hp @ 5750 rpm |
| Power per litre | 68.7 Hp/l |
| Torque | 147 Nm @ 4000 rpm (108.42 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | NFU TU5JP4 |
| Engine displacement | 1587 cm3 (96.84 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 78.5 mm (3.09 in.) |
| Piston Stroke | 82 mm (3.23 in.) |
| Compression ratio | 11.1:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 3.25 l (3.43 US qt, 2.86 UK qt) |
| Coolant | 6.2 l (6.55 US qt, 5.46 UK qt) |
| Kerb Weight | 1278 kg (2817.51 lbs.) |
| Max. weight | 1798 kg (3963.91 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 320 l (11.3 cu. ft.) |
| Trunk (boot) space – maximum | 1023 l (36.13 cu. ft.) |
| Fuel tank capacity | 60 l (15.85 US gal, 13.2 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (8%) | 1400 kg (3086.47 lbs.) |
| Permitted trailer load with brakes (12%) | 1200 kg (2645.55 lbs.) |
| Permitted trailer load without brakes | 676 kg (1490.32 lbs.) |
| Permitted towbar download | 63 kg (138.89 lbs.) |
| Length | 4275 mm (168.31 in.) |
| Width | 1773 mm (69.8 in.) |
| Width including mirrors | 1964 mm (77.32 in.) |
| Height | 1496 mm (58.9 in.) |
| Wheelbase | 2608 mm (102.68 in.) |
| Front track | 1505 mm (59.25 in.) |
| Rear (Back) track | 1510 mm (59.45 in.) |
| Front overhang | 950 mm (37.4 in.) |
| Rear overhang | 717 mm (28.23 in.) |
| Drag coefficient (Cd) | 0.31 |
| Minimum turning circle | 11.3 m (37.07 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Semi-independent, coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 205/50 R17 |
| Wheel rims size | 17 |
INTRODUCTION
The Citroen C4 I, launched in 2004, was a significant departure for the French automaker, moving away from the traditional hydropneumatic suspension of previous models towards a more conventional setup. The Phase II update in 2008 brought a refreshed front fascia, revised interior trim, and improvements to the engine range. The 1.6i 16V Automatic, powered by the NFU (TU5JP4) engine, was a popular choice for those seeking a comfortable and affordable hatchback. This variant aimed to provide a balance between fuel efficiency and usability, making it a practical option for daily commuting and family transport. It was a key model in Citroen’s lineup, competing with vehicles like the Ford Focus, Volkswagen Golf, and Peugeot 308.
Powertrain & Engine Architecture
The heart of the C4 1.6i Automatic is the NFU (TU5JP4) 1.6-liter inline-four cylinder engine. This engine, a mainstay in the PSA Group (Peugeot-Citroen) for many years, features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. It utilizes a multi-point fuel injection system, delivering fuel directly into the intake ports. The engine produces 109 horsepower at 5750 rpm and 147 Nm (108.42 lb-ft) of torque at 4000 rpm. The engine’s design prioritizes fuel efficiency and smooth operation over outright performance. Paired with this engine is a four-speed automatic transmission. This transmission, while providing convenience, is a relatively older design compared to more modern automatics with more gears. It features standard torque converter technology and is geared towards smooth shifts rather than rapid acceleration. The gear ratios are optimized for fuel economy and comfortable cruising.
Driving Characteristics
The C4 1.6i Automatic offers a comfortable, if not particularly exciting, driving experience. The four-speed automatic transmission provides smooth shifts, but can feel somewhat sluggish during quick acceleration or overtaking maneuvers. The 109 hp engine delivers adequate power for everyday driving, but it’s not a sporty performer. Compared to the manual transmission version of the same engine, the automatic suffers a slight performance penalty due to the transmission’s inherent efficiency losses. The automatic also feels less responsive than the higher-output 2.0-liter petrol or diesel variants. The suspension, tuned for comfort, absorbs bumps and imperfections in the road well, providing a smooth ride. However, this can also result in some body roll during cornering.
Equipment & Trim Levels
The C4 1.6i Automatic typically came equipped with a reasonable level of standard features. These included air conditioning, power windows, central locking, and an audio system with CD player. Higher trim levels, such as the Exclusive, added features like alloy wheels, automatic headlights and wipers, a trip computer, and upgraded interior upholstery. Optional extras included a panoramic sunroof, leather seats, and a navigation system. Interior materials were generally of good quality, with a focus on durability and comfort. The dashboard layout was functional and user-friendly, although some critics found it to be somewhat bland in design.
Chassis & Braking
The C4 I utilizes a McPherson strut front suspension and a semi-independent coil spring rear suspension. This setup provides a good balance between ride comfort and handling. The front brakes are ventilated discs, while the rear brakes are solid discs. Anti-lock Braking System (ABS) is standard. The steering is a rack and pinion system, providing precise and responsive steering feel. The C4’s chassis is relatively lightweight, contributing to its fuel efficiency and agility. The suspension tuning is geared towards comfort, prioritizing a smooth ride over sporty handling.
Market Reception & Comparison
The Citroen C4 1.6i Automatic was generally well-received by critics as a practical and comfortable family car. However, the four-speed automatic transmission was often criticized for its lack of responsiveness and limited number of gears. Fuel economy was considered average for its class, and reliability was generally good, although some owners reported minor electrical issues. Compared to the manual transmission version, the automatic offered less fuel efficiency and slightly slower acceleration. The higher-powered 2.0-liter petrol and diesel variants provided significantly more performance, but at a higher price point. The C4 1.6i Automatic offered a compelling alternative for buyers prioritizing comfort and convenience over outright performance.
Legacy
The Citroen C4 I 1.6i Automatic, while not a particularly groundbreaking vehicle, remains a popular choice in the used car market. The NFU (TU5JP4) engine is known for its reliability and relatively low maintenance costs. The four-speed automatic transmission, while dated, is generally durable and can provide years of reliable service with proper maintenance. However, potential buyers should be aware of the possibility of minor electrical issues and the transmission’s limited responsiveness. Overall, the C4 1.6i Automatic represents a solid and dependable option for those seeking an affordable and comfortable hatchback.
