2008-2009 Citroen C5 II Tourer (Phase I ) 1.6 HDi (109 Hp) Airdream

The Citroën C5 II Tourer 1.6 HDi Airdream, produced between 2008 and 2009, represented an entry-level diesel option within the second generation (X7) C5 Tourer range. Positioned as a fuel-efficient and practical estate car, it aimed to appeal to families and drivers prioritizing economy over outright performance. This variant was part of the Phase I refresh of the C5 II, building upon the platform initially launched in 2004. The C5 II Tourer, in general, was Citroën’s offering in the large family car segment, competing with vehicles like the Ford Mondeo Estate, Volkswagen Passat Variant, and Peugeot 407 SW. The Airdream designation denoted Citroën’s efforts to improve aerodynamic efficiency and reduce emissions.

Technical Specifications

Brand Citroen
Model C5
Generation C5 II Tourer (Phase I, 2008)
Type (Engine) 1.6 HDi (109 Hp) Airdream
Start of production 2008
End of production 2009
Powertrain Architecture Internal Combustion engine
Body type Station wagon (estate)
Seats 5
Doors 5
Fuel consumption (urban) 6.6 l/100 km (35.6 US mpg, 42.8 UK mpg, 15.2 km/l)
Fuel consumption (extra urban) 4.6 l/100 km (51.1 US mpg, 61.4 UK mpg, 21.7 km/l)
Fuel consumption (combined) 5.3 l/100 km (44.4 US mpg, 53.3 UK mpg, 18.9 km/l)
CO2 emissions 140 g/km
Fuel Type Diesel
Emission standard Euro 4
Weight-to-power ratio 14.1 kg/Hp, 70.9 Hp/tonne
Weight-to-torque ratio 6.4 kg/Nm, 156.1 Nm/tonne
Power 109 Hp @ 4000 rpm
Power per litre 69.9 Hp/l
Torque 240 Nm @ 1750 rpm (177.01 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 3.75 l (3.96 US qt, 3.3 UK qt)
Coolant 7.8 l (8.24 US qt, 6.86 UK qt)
Kerb Weight 1537 kg (3388.5 lbs.)
Max. weight 2178 kg (4801.67 lbs.)
Max load 641 kg (1413.16 lbs.)
Trunk (boot) space – minimum 505 l (17.83 cu. ft.)
Trunk (boot) space – maximum 1462 l (51.63 cu. ft.)
Fuel tank capacity 71 l (18.76 US gal, 15.62 UK gal)
Max. roof load 80 kg (176.37 lbs.)
Permitted trailer load with brakes (12%) 1000 kg (2204.62 lbs.)
Permitted trailer load without brakes 750 kg (1653.47 lbs.)
Permitted towbar download 52 kg (114.64 lbs.)
Length 4829 mm (190.12 in.)
Width 1860 mm (73.23 in.)
Width including mirrors 2096 mm (82.52 in.)
Height 1491-1495 mm (58.7 – 58.86 in.)
Wheelbase 2815 mm (110.83 in.)
Front track 1586 mm (62.44 in.)
Rear (Back) track 1557 mm (61.3 in.)
Front overhang 1054 mm (41.5 in.)
Rear overhang 960 mm (37.8 in.)
Minimum turning circle (turning diameter) 11.7 m (38.39 ft.)
Drivetrain Architecture Front wheel drive
Drive wheel Front wheel drive
Number of gears and type of gearbox 5 gears, manual transmission
Front suspension Double wishbone
Rear suspension Independent multi-link suspension
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Hydraulic Steering
Tires size 225/55 R16
Wheel rims size 16

INTRODUCTION

The Citroën C5 II Tourer 1.6 HDi Airdream, launched in 2008, was a key variant in the updated C5 II range. It offered a balance between practicality, fuel efficiency, and affordability. The C5 II, built on the PSA Group’s Platform 2 (also known as the 1HX0/A3 platform), aimed to provide a comfortable and refined driving experience. The Tourer body style, Citroën’s term for a station wagon, added significant cargo capacity, making it a popular choice for families. The 1.6 HDi engine, a relatively new addition to the C5 lineup at the time, was intended to broaden the car’s appeal to buyers seeking lower running costs.

Powertrain & Engine Architecture

The heart of this C5 variant is the 1.6-liter HDi diesel engine, specifically the 9HZ variant of the DV6TED4 engine family. This engine is a four-cylinder, inline configuration, utilizing a common-rail direct injection system. The DV6 engine family was known for its relatively compact size and efficiency. The 109 horsepower output is achieved at 4000 rpm, while peak torque of 240 Nm (177 lb-ft) is delivered at a low 1750 rpm, providing good low-end responsiveness. The engine features a turbocharger with an intercooler to enhance performance and efficiency. The Airdream designation indicates aerodynamic improvements aimed at reducing drag and improving fuel economy. The engine is paired with a five-speed manual transmission, which was the standard offering for this trim level. The transmission’s gear ratios are tuned for fuel efficiency, with a relatively long final drive.

Driving Characteristics

The 1.6 HDi engine, while not particularly powerful, provides adequate performance for everyday driving. Acceleration is modest, and overtaking requires planning, especially when fully loaded. Compared to the more powerful 2.0 HDi or petrol variants, the 1.6 HDi feels noticeably slower. However, the engine’s strong low-end torque makes it relatively easy to drive in urban environments and on winding roads. The five-speed manual transmission is smooth and precise, but some drivers may find it lacking an extra gear for highway cruising. The C5 II’s renowned hydropneumatic suspension (depending on the specific trim level – some base models used conventional suspension) contributes to a comfortable ride, absorbing bumps and imperfections in the road surface effectively. The steering is light and precise, making it easy to maneuver in tight spaces.

Equipment & Trim Levels

The 1.6 HDi Airdream typically represented an entry-level or mid-range trim within the C5 II Tourer lineup. Standard equipment generally included air conditioning, power windows, central locking, and an audio system with CD player. Safety features such as ABS, electronic brakeforce distribution, and front airbags were also standard. Higher trim levels offered options such as leather upholstery, automatic climate control, parking sensors, and a more advanced audio system. The interior typically featured cloth upholstery and a functional, if somewhat understated, dashboard design. The Airdream trim often included subtle aerodynamic enhancements, such as a rear spoiler and underbody panels, to improve fuel efficiency.

Chassis & Braking

The C5 II Tourer utilizes a double wishbone front suspension and an independent multi-link rear suspension, contributing to its comfortable ride quality. The suspension is tuned for comfort rather than outright sportiness. Braking duties are handled by ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) is standard, providing enhanced braking performance in emergency situations. The steering system is a rack and pinion type with hydraulic power assistance. The car’s weight distribution is relatively balanced, contributing to stable handling.

Market Reception & Comparison

The Citroën C5 II Tourer 1.6 HDi Airdream was generally well-received by critics for its fuel efficiency and comfortable ride. However, some reviewers noted its lack of outright performance compared to rivals. Compared to the 2.0 HDi variants, the 1.6 HDi offered significantly better fuel economy but at the expense of power. The 1.6 HDi was also seen as a more affordable option, making it attractive to budget-conscious buyers. Its fuel economy figures of around 5.3 l/100 km (44.4 US mpg) were competitive within its segment. Reliability was generally considered good, although some owners reported issues with the diesel particulate filter (DPF) system, a common problem with modern diesel engines.

Legacy

The 1.6 HDi engine became a popular choice in various PSA Group vehicles, known for its fuel efficiency and relatively low maintenance costs. The C5 II Tourer 1.6 HDi Airdream remains a relatively affordable and practical used car option today. While not the most exciting vehicle to drive, it offers a comfortable and economical solution for families and drivers prioritizing practicality. The engine’s durability is generally good, but regular maintenance, including oil changes and DPF servicing, is essential to ensure long-term reliability. The C5 II Tourer, in general, is remembered for its comfortable ride and spacious interior, making it a popular choice for long-distance journeys.

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