Vauxhall Zafira B 1.9 CDTI (120 Hp)

The Vauxhall Zafira B 1.9 CDTI, produced from 2005 to 2008, represented a significant offering in the compact minivan segment. This variant, equipped with a 1.9-liter turbocharged diesel engine producing 120 horsepower, occupied a middle ground within the Zafira B range, positioned between the lower-powered petrol engines and the more potent 150 hp CDTI model. It was designed to appeal to families seeking a practical, fuel-efficient, and reasonably equipped seven-seater. The Zafira B itself was built on the GM Delta platform, also known internally as the 1HX0, and shared components with the Opel Astra G and H.

Powertrain & Engine Architecture

The heart of the Zafira B 1.9 CDTI is the Z19DT engine, a four-cylinder, inline diesel engine displacing 1910 cc (116.56 cubic inches). This engine is a member of the GM/Fiat family of common rail direct injection diesel engines. The Z19DT utilizes a second-generation common rail diesel injection system, delivering fuel at extremely high pressures (1600 bar) for improved combustion efficiency and reduced noise. This system, supplied by Bosch, featured solenoid-controlled injectors. The engine employs an overhead camshaft (OHC) configuration with two valves per cylinder. A turbocharger with an intercooler is integral to the engine’s design, boosting power and torque. The intercooler cools the compressed air from the turbocharger, increasing its density and further enhancing performance.

The 1.9 CDTI was typically paired with a six-speed manual transmission, providing a good balance between fuel economy and drivability. While an automatic transmission was offered on some Zafira B models, it was less common with the 1.9 CDTI engine, and often a four-speed unit, which impacted performance and fuel efficiency compared to the manual.

Engine Specifications

Key engine specifications include a compression ratio of 18:1, a bore of 82 mm (3.23 inches), and a stroke of 90.4 mm (3.56 inches). The engine produces a maximum power output of 120 hp (89 kW) at 3500 rpm and a peak torque of 280 Nm (206.52 lb-ft) between 2000 and 2750 rpm. The engine oil capacity is 4.3 liters (4.54 US quarts / 3.78 UK quarts), and the cooling system requires 7 liters (7.4 US quarts / 6.16 UK quarts) of coolant.

Driving Characteristics

The Zafira B 1.9 CDTI offered a comfortable and practical driving experience. The 120 hp output, while not particularly sporty, provided adequate power for everyday driving and highway cruising, even when fully loaded with passengers and luggage. Acceleration from 0 to 100 km/h (0-62 mph) took approximately 12.2 seconds, and the top speed was around 186 km/h (115.58 mph). The six-speed manual transmission allowed drivers to keep the engine in its optimal torque band, resulting in responsive acceleration and good fuel economy. The gear ratios were well-chosen for both urban and motorway driving. Compared to the 150 hp CDTI variant, the 1.9 CDTI felt noticeably less powerful, particularly when overtaking or climbing hills. However, the lower power output also contributed to slightly better fuel economy.

The four-speed automatic transmission, when equipped, significantly altered the driving experience. It resulted in slower acceleration and increased fuel consumption due to the less efficient power transfer and the need for the engine to work harder to maintain speed. The automatic transmission also lacked the responsiveness of the manual gearbox.

Equipment & Trim Levels

The Zafira B 1.9 CDTI was available in various trim levels, including Expression, Design, and Elegance. The base Expression trim typically included features such as air conditioning, power steering, electric front windows, and a CD player. The Design trim added alloy wheels, front fog lights, and upgraded interior trim. The top-of-the-line Elegance trim featured climate control, rear parking sensors, and leather upholstery as optional extras. Standard safety equipment included ABS (Anti-lock Braking System) and driver and passenger airbags. Optional extras included a panoramic sunroof, navigation system, and a premium sound system.

Interior upholstery varied depending on the trim level, ranging from cloth to leather. The dashboard layout was functional and user-friendly, with clearly labeled controls. The Zafira B was renowned for its flexible seating arrangement, with the second and third-row seats capable of folding flat or being removed entirely to create a large cargo area.

Chassis & Braking

The Zafira B 1.9 CDTI utilized an independent McPherson strut suspension system at the front and a torsion beam suspension at the rear. This setup provided a comfortable ride quality and decent handling characteristics. The front brakes were ventilated discs, while the rear brakes were typically solid discs, although some earlier models may have featured drum brakes depending on the specific trim level and market. The steering system was a rack and pinion type, offering precise and responsive steering. The standard tire size was 205/55 R16, mounted on 6.5J x 16 inch steel or alloy wheels.

Market Reception & Comparison

The Vauxhall Zafira B 1.9 CDTI was generally well-received by automotive critics. It was praised for its practicality, fuel efficiency, and comfortable ride. However, some critics noted that the 1.9 CDTI engine lacked the outright performance of the 150 hp CDTI variant. Fuel economy was a strong point, with combined fuel consumption figures of around 6.1 l/100 km (38.6 US mpg / 46.3 UK mpg). In terms of reliability, the Zafira B 1.9 CDTI proved to be a relatively dependable vehicle, although common issues included turbocharger failure and problems with the electronic parking brake. Compared to competitors such as the Ford C-Max and Renault Scenic, the Zafira B offered a more spacious interior and a more flexible seating arrangement.

Technical Specifications

Legacy

The Zafira B 1.9 CDTI remains a popular choice in the used car market, particularly for families seeking an affordable and practical minivan. The 1.9 CDTI engine, while not the most powerful option, is generally considered reliable, provided it has been well-maintained. Regular servicing, including oil changes and turbocharger inspections, is crucial for ensuring long-term reliability. Common issues, such as turbo failure and electronic parking brake malfunctions, should be addressed promptly. The Zafira B’s flexible seating arrangement and spacious interior continue to appeal to buyers, making it a versatile and practical vehicle for a variety of needs. While newer minivans offer more advanced features and improved fuel economy, the Zafira B 1.9 CDTI represents a solid and dependable option for those seeking a budget-friendly family vehicle.