The Citroën C5 I (Phase II), specifically the 1.6i HDi 109 hp variant with a manual transmission, represented an important entry point into the C5 range during its 2004-2005 production run. Positioned as a fuel-efficient and practical option, this model aimed to balance comfort and economy within Citroën’s flagship sedan. It was part of the first generation (X3) C5, which debuted in 2001 and received a significant facelift in 2004, known as Phase II. This update brought revised styling, improved interior materials, and refinements to the suspension system. The 1.6 HDi model was particularly significant as it offered diesel economy with a relatively accessible price point, appealing to buyers prioritizing low running costs.
Technical Specifications
| Brand | Citroën |
| Model | C5 |
| Generation | C5 I (Phase II, 2004) |
| Type (Engine) | 1.6i HDi (109 Hp) |
| Start of production | 2004 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 6.8 l/100 km (34.6 US mpg, 41.5 UK mpg, 14.7 km/l) |
| Fuel consumption (extra urban) | 4.5 l/100 km (52.3 US mpg, 62.8 UK mpg, 22.2 km/l) |
| Fuel consumption (combined) | 5.4 l/100 km (43.6 US mpg, 52.3 UK mpg, 18.5 km/l) |
| CO2 emissions | 142 g/km |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 11.3 sec |
| Acceleration 0 – 62 mph | 11.3 sec |
| Acceleration 0 – 60 mph | 10.7 sec |
| Maximum speed | 190 km/h (118.06 mph) |
| Emission standard | Euro 3 |
| Weight-to-power ratio | 13.1 kg/Hp, 76.5 Hp/tonne |
| Weight-to-torque ratio | 7.1 kg/Nm, 140.4 Nm/tonne |
| Power | 109 Hp @ 4000 rpm |
| Power per litre | 69.9 Hp/l |
| Torque | 200 Nm @ 1750 rpm (147.51 lb.-ft. @ 1750 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | 9HZ DV6TED4 |
| Engine displacement | 1560 cm3 (95.2 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 75 mm (2.95 in.) |
| Piston Stroke | 88.3 mm (3.48 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 | 3.8 l (4.02 US qt | 3.34 UK qt) |
| Coolant capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Kerb Weight | 1424 kg (3139.38 lbs.) |
| Max. weight | 1944 kg (4285.79 lbs.) |
| Max load | 520 kg (1146.4 lbs.) |
| Trunk (boot) space – minimum | 471 l (16.63 cu. ft.) |
| Trunk (boot) space – maximum | 1315 l (46.44 cu. ft.) |
| Fuel tank capacity | 67 l (17.7 US gal | 14.74 UK gal) |
| Max. roof load | 75 kg (165.35 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 715 kg (1576.31 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4745 mm (186.81 in.) |
| Width | 1780 mm (70.08 in.) |
| Height | 1476 mm (58.11 in.) |
| Wheelbase | 2750 mm (108.27 in.) |
| Front track | 1528 mm (60.16 in.) |
| Rear track | 1495 mm (58.86 in.) |
| Front overhang | 1033 mm (40.67 in.) |
| Rear overhang | 962 mm (37.87 in.) |
| Minimum turning circle | 12.43 m (40.78 ft.) |
| Drivetrain | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Independent, 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) |
| Tires size | 215/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of this C5 variant is the 9HZ DV6TED4 engine, a 1.6-liter inline-four cylinder diesel. This engine is part of the DV6 family developed jointly by PSA (Peugeot Citroën) and Ford. It utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The turbocharger, coupled with an intercooler, enhances power output 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 109 horsepower output is achieved at 4000 rpm, while the peak torque of 200 Nm (147.51 lb-ft) is available from 1750 rpm, providing good low-end responsiveness. The engine’s relatively high compression ratio of 17.6:1 is typical for diesel engines, maximizing efficiency. The engine is paired with a five-speed manual transmission, chosen for its simplicity and fuel efficiency.
Driving Characteristics
The 1.6 HDi engine in the C5 I offered a comfortable, if not particularly sporty, driving experience. Acceleration from 0-60 mph took around 10.7 seconds, making it adequate for everyday driving but not exceptionally quick. The engine’s torque delivery meant that it felt more responsive in mid-range acceleration, making overtaking at highway speeds manageable. The five-speed manual transmission was well-matched to the engine’s characteristics, with gear ratios designed to prioritize fuel economy. Compared to the more powerful 2.0 HDi variants, the 1.6 HDi felt noticeably less energetic, especially when fully loaded. However, it offered a smoother and more refined driving experience than the earlier petrol engines in the C5 range.
Equipment & Trim Levels
The 1.6 HDi variant of the C5 I typically came with a reasonable level of standard equipment. This included power steering, central locking, electric front windows, and an RDS stereo. Safety features such as ABS and front airbags were also standard. Interior upholstery was typically cloth, with a functional and durable design. Optional extras included air conditioning, rear electric windows, alloy wheels, and a sunroof. Trim levels varied depending on the market, but generally, the 1.6 HDi sat in the lower to mid-range of the C5 lineup, offering a good balance of features and affordability.
Chassis & Braking
The C5 I featured a comfortable and compliant suspension setup. The front suspension utilized independent McPherson struts with coil springs and an anti-roll bar, while the rear suspension was a semi-independent torsion beam arrangement with coil springs. This setup prioritized ride comfort over outright handling precision. Braking was provided by ventilated discs on the front wheels and solid discs on the rear. ABS (Anti-lock Braking System) was standard, enhancing braking performance and stability. The C5’s suspension was known for its ability to absorb bumps and provide a smooth ride, making it well-suited for long journeys.
Market Reception & Comparison
The Citroën C5 I 1.6 HDi was generally well-received by critics as a practical and economical family car. Its fuel efficiency was a major selling point, particularly in Europe where diesel fuel was often cheaper than petrol. Compared to the higher-powered C5 variants, the 1.6 HDi offered lower running costs but sacrificed some performance. It was often compared to rivals such as the Ford Mondeo and Volkswagen Passat, offering a similar level of comfort and practicality at a competitive price. Reliability was generally good, although some owners reported issues with the diesel particulate filter (DPF) – a common problem with early diesel engines.
Legacy
The 1.6 HDi engine became a mainstay in the PSA Group’s lineup for many years, proving to be a reliable and fuel-efficient powerplant. The C5 I 1.6 HDi, while not the most exciting version of the C5, remains a popular choice on the used car market due to its affordability and low running costs. The engine’s relatively simple design and readily available parts contribute to its continued viability. However, potential buyers should be aware of the potential for DPF issues and ensure that the vehicle has been properly maintained. The C5 I 1.6 HDi represents a significant step forward in diesel technology, offering a compelling combination of economy, comfort, and practicality.
