Both engines comply with stringent emission standards, including EU5 in Europe and LEV II / ULEV in the USA. Vehicles manufactured by Porsche demonstrate that even high-performance sportscars can achieve moderate emission values in their respective category. In short, the Cayman is not only extremely sporty, it is also very clean.

This attribute is achieved by means of a two-stage cascade-type catalytic converter which comprises two monolith substrates on each of the twin exhaust tracts. These specially coated substrates contain ultra-fine honeycomb channels in which pollutants are converted as exhaust gas passes through. The stereo lambda control circuitry controls and monitors each cylinder bank separately, while another lambda sensor on each cylinder bank monitors pollutant conversion in the respective catalytic converter.*

* Not in markets with leaded fuel.

At Porsche, a fundamental aspect of design is intelligent lightweight construction. For both economical and ecological reasons. This forms the basis for low fuel consumption values in conjunction with outstanding performance.

It is economical thanks to the high proportion of aluminium cast alloys, plastics and super high-strength sheet steel used. This is substantially lighter and more stable than conventional steel. In the Cayman models approximately 20% of components are made from lightweight alloys. We use only innovative and environmentally friendly components, and each material is labelled to facilitate its separation for recycling. Recycled plastics are used where they meet exacting technical requirements. In all, the Cayman models are approximately 95% recoverable.

In addition, Porsche uses only environmentally friendly water-based paints. The Cayman is absolutely free of asbestos, CFCs and components manufactured using CFCs. This is because, here at Porsche, environmental protection does not begin at the end of a vehicle’s life. It starts at the planning and development stage.

The Cayman models are already designed to operate on fuels with an ethanol content of up to 10%. Ethanol has a positive impact on the CO2 balance since the plants cultivated for the production of this biofuel also absorb CO2 from the atmosphere.

The active carbon filter and a special coating on the fuel tank reduce the amount of hydrocarbons released from the fuel system. All fuel lines are made of aluminium, while vapour-carrying lines are made from multi-layered plastic.

The Cayman models comply with all applicable noise regulations without any form of engine encapsulation. To achieve this, noises are eliminated at source. Engine parts are stiff, moving parts are lightweight and tolerances are kept to a minimum. Large-volume silencers and resonators in the air intake system minimise noise further. For the entire service life of the vehicle.

Long service intervals offer clear advantages. For you: lower costs and saved time. For the environment: the use of fewer consumables and replacement parts. For full details of service intervals, please refer to the separate price list.