The New Toyota Avensis 2.2-litre D-4D | Part Three

The 175bhp 2.2 D-4D Engine

A further development of the new 2.2-litre D-4D engine will be a 175bhp D-CAT unit that will be available in the UK in mid-2006.

Its excellent performance and efficiency will be aided by piezoelectric injection technology, used for the first time in an engine of this capacity. The piezoelectric injectors can inject larger volumes of fuel twice as fast as conventional solenoid injectors.

The engine will give the Avensis a top speed of 137mph and 0-62mph acceleration in 8.6 seconds. Combined cycle fuel economy is 46.3mpg (45.6mpg for the Tourer).

Toyota D-CAT

The 175bhp engine uses Toyota D-CAT technology to bring harmful exhaust emissions down to the lowest levels of any modern diesel engine. Its performance is well below the levels required by Euro IV and its CO2 emissions rating of 161g/km is just 5g/km higher than for the 148bhp engine.

New Six-Speed Manual Transmission

Both 2.2-litre D-4D engines use a new six-speed manual gearbox, designed to provide smooth, quick and precise shifts. The new unit is both robust and very compact, at 384mm long and uses the lowest viscosity oil available which helps improve fuel consumption.

Low Cost Of Ownership

As with all its new products, Toyota has designed the 2.2-litre D-4D engine to be simple and cheap to maintain with the engine running on mineral or semi-synthetic lubricant, which is cheaper than the fully synthetic kind used by rival engines.

The 2.2-litre D-4D matches its 2.0-litre D-4D stablemate in requiring only 4.2 labour hours for routine maintenance up to 60,000 miles, adding to the low cost of ownership profile.

Improved NVH And Driving Dynamics

The new 2.2-litre D-4D engine has improved NVH performance, aided by a low compression ratio and the adoption of a balancer shaft that significantly reduces engine booming.

Avensis models equipped with the engine will also use a noise-suppressing acoustic windscreen and benefit from improved and additional insulation in key areas.

At the same time, improvements have been made to the suspension system to suit the new engine’s performance. This includes stiffer spring and damper rates and adjustment of the power steering pump for quicker responses.

Built In Europe

The new 2.2-litre D-4D engine is produced at a new Toyota factory in Jelcz-Laskowice in Poland – Toyota’s eighth manufacturing centre in Europe.

Toyota Motor Industries Poland (TMIP) was announced in 2001 and building work on the site was completed in 2004. Engine production started in March this year and will reach a maximum output of 180,000 units a year in 2007. Toyota has invested £200 million (approximately £140 million) in TMIP.

Published 31 May 2005 Melanie Carter

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