The Citroën C4 I Hatchback, specifically the 2.0 HDi 16V (136 hp) FAP Automatic variant produced between 2006 and 2007, represents a significant offering within the first generation of the C4 (Typ B7) range. Introduced as a replacement for the Xsara, the C4 aimed to provide a more modern and comfortable driving experience while maintaining Citroën’s reputation for innovative design. This particular version, equipped with the DW10BTED4 engine and a six-speed automatic transmission, was positioned as a mid-to-upper range option, appealing to buyers seeking a blend of performance, fuel efficiency, and convenience. It was a key model in Citroën’s European lineup, competing with vehicles like the Ford Focus, Volkswagen Golf, and Peugeot 307.
Technical Specifications
| Brand | Citroen |
| Model | C4 |
| Generation | C4 I Hatchback (Phase I, 2004) |
| Type (Engine) | 2.0 HDi 16V (136 Hp) FAP Automatic |
| Start of production | 2006 |
| End of production | 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Hatchback |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 9.1 l/100 km (25.8 US mpg, 31 UK mpg, 11 km/l) |
| Fuel consumption (extra urban) | 5.1 l/100 km (46.1 US mpg, 55.4 UK mpg, 19.6 km/l) |
| Fuel consumption (combined) | 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l) |
| CO2 emissions | 175 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 10.5 sec |
| Acceleration 0 – 62 mph | 10.5 sec |
| Acceleration 0 – 60 mph | 10 sec |
| Maximum speed | 206 km/h (128 mph) |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 10.4 kg/Hp, 96 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 240.1 Nm/tonne |
| Power | 136 Hp @ 4000 rpm |
| Power per litre | 68.1 Hp/l |
| Torque | 340 Nm @ 2000 rpm (250.77 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | RHR DW10BTED4 |
| Engine displacement | 1997 cm3 (121.86 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 85 mm (3.35 in.) |
| Piston Stroke | 88 mm (3.46 in.) |
| Compression ratio | 17.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.25 l (5.55 US qt, 4.62 UK qt) |
| Coolant | 10 l (10.57 US qt, 8.8 UK qt) |
| Kerb Weight | 1416 kg (3121.75 lbs.) |
| Max. weight | 1880 kg (4144.69 lbs.) |
| Max load | 464 kg (1022.94 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%) | 1570 kg (3461.26 lbs.) |
| Permitted trailer load with brakes (12%) | 1570 kg (3461.26 lbs.) |
| Permitted trailer load without brakes | 740 kg (1631.42 lbs.) |
| Permitted towbar download | 70 kg (154.32 lbs.) |
| Length | 4260 mm (167.72 in.) |
| Width | 1773 mm (69.8 in.) |
| Width including mirrors | 1964 mm (77.32 in.) |
| Height | 1471 mm (57.91 in.) |
| Wheelbase | 2608 mm (102.68 in.) |
| Front track | 1497 mm (58.94 in.) |
| Rear (Back) track | 1510 mm (59.45 in.) |
| Front overhang | 935 mm (36.81 in.) |
| Rear overhang | 717 mm (28.23 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle | 12 m (39.37 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears and type of gearbox | 6 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 |
| Power steering | Electric Steering |
| Tires size | 205/50 R17 |
| Wheel rims size | 6.5J x 17 |
Powertrain & Engine Architecture
The heart of this C4 variant is the DW10BTED4 engine, a 2.0-liter four-cylinder diesel engine. This engine, a product of PSA Peugeot Citroën’s development, is renowned for its robust construction and relatively high output for its displacement. The ‘RHR’ engine code specifically denotes a version equipped with a Diesel Particulate Filter (DPF), or ‘FAP’ in Citroën terminology, designed to reduce particulate emissions and meet Euro 4 standards. The engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. A turbocharger with an intercooler further enhances performance by forcing more air into the cylinders. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to efficient gas exchange. The six-speed automatic transmission, sourced from Aisin, was chosen for its smoothness and efficiency. It features adaptive shift programming, adjusting gear changes based on driving style and conditions.
Driving Characteristics
The 2.0 HDi 16V Automatic C4 offers a comfortable and refined driving experience. While not overtly sporty, the 136 horsepower and 340 Nm (250 lb-ft) of torque provide ample power for everyday driving and overtaking maneuvers. The automatic transmission contributes to ease of use, particularly in urban environments. Acceleration from 0-100 km/h (0-62 mph) takes around 10.5 seconds, which is respectable for a diesel-powered family hatchback. Compared to the manual transmission version, the automatic offers slightly reduced acceleration due to transmission losses. However, the convenience and smoothness of the automatic often outweigh this minor performance difference for many drivers. Compared to lower-powered C4 variants, such as the 1.6 HDi, this model provides a noticeably more relaxed driving experience, especially on longer journeys. It also offers a significant performance advantage over the petrol-powered options.
Equipment & Trim Levels
The 2.0 HDi 16V Automatic typically came equipped with a generous level of standard features. These included air conditioning, power windows, central locking, a CD stereo system, and ABS brakes. Higher trim levels, such as Exclusive, added features like alloy wheels, automatic headlights and wipers, a multi-function steering wheel, and upgraded interior trim. Interior upholstery was typically cloth, with options for leather available. The dashboard layout was modern for its time, featuring a centrally mounted instrument cluster. Optional extras included a navigation system, parking sensors, and a panoramic sunroof.
Chassis & Braking
The C4 I Hatchback utilizes a McPherson strut front suspension and a semi-independent torsion beam rear suspension. This setup provides a good balance between ride comfort and handling. The front suspension incorporates an anti-roll bar to reduce body roll during cornering. Braking is handled by ventilated discs at the front and solid discs at the rear, providing adequate stopping power. ABS (Anti-lock Braking System) is standard, enhancing safety in emergency braking situations. The steering is rack and pinion with electric power assistance, offering a light and precise feel.
Market Reception & Comparison
The Citroën C4 I 2.0 HDi 16V Automatic was generally well-received by automotive critics. It was praised for its comfortable ride, refined engine, and fuel efficiency. Fuel economy figures of around 6.6 l/100 km (35.6 US mpg) were considered excellent for a vehicle of its size and performance. Compared to competitors like the Ford Focus and Volkswagen Golf, the C4 offered a distinctive design and a more comfortable ride. However, some critics noted that the interior quality wasn’t quite as high as some of its rivals. Reliability was generally good, although the DPF (FAP) system could be prone to issues if the vehicle was primarily used for short journeys.
Legacy
The 2.0 HDi 16V engine, in various iterations, proved to be a durable and reliable powerplant. The DW10BTED4 engine, while requiring regular maintenance (particularly regarding the DPF), has a reputation for longevity. Today, used examples of the C4 I 2.0 HDi 16V Automatic are relatively affordable and represent a good value for money. However, potential buyers should be aware of the potential for DPF-related issues and ensure that the vehicle has been properly maintained. The C4 I, and this variant in particular, helped solidify Citroën’s position as a manufacturer of comfortable, efficient, and innovative vehicles.
