New Fiat Sedici SUV
Engines

Two engines are offered with the Fiat Sedici: a 1.6 petrol and a 1.9 turbodiesel unit, both combined with five or six speed manual gearboxes.

Turbo Diesel 120 bhp 1.9 Multijet - A four cylinder in line engine - two valves per cylinder - with a 1910 cc displacement (bore of 82 millimetres and a stroke of 90.4 mm), with a power output of 120 bhp (88 kW) at 4000 rpm and a torque of 280 Nm (28.6 kgm) at 2000 rpm.

The power unit features an electronically-controlled turbocharger with variable geometry turbine that helps improve power delivery while also allowing very high torque delivery even at low rpms. 90% of maximum torque is available between 1750 and 3250 rpm. The 1.9 Multijet engine also meets Euro 4 standards due to its EGR emission control system that includes an electrically-operated valve managed directly by the engine control system, a heat exchanger for cooling recirculated exhaust gases and a close coupled catalytic converter.

The presence of a particulate trap DPF (Diesel Particulate Filter) also contributes to the green nature of this engine. This mechanical filter is installed in the exhaust system and physically traps the carbon particles present in the Diesel engine exhaust gas. During normal service, the engine control unit records a set of data (service period, route type, temperature reached) and calculates the amount of particulate that has built up in the filter. Because the trap is an accumulation system, it must be regenerated regularly (cleaned) by burning the carbon particles. The engine control unit manages the regeneration process automatically according to the amount of carbon that has accumulated in the filter and vehicle service conditions, all without the need for additives and without requiring any particular maintenance operations.

The underlying principles of second generation turbodiesel engines remain the same, i.e. high injection pressure and electronic injector control. But one extra feature has been added: during each engine cycle, the number of injections increases over and above the current number of two. In this way, the same amount of diesel is burnt inside the cylinder but in several portions to achieve smoother combustion. The advantages include lower running noise, reduced emissions and a 6-7% increase in performance.

Petrol 79 kW 1.6 16 valve (107 bhp) - The 1600 cc petrol engine is a 4 cylinder inline unit with a bore of 78 millimetres and stroke of 83 mm (1586 cc, four valve per cylinder) that develops a power output of 79 kW (107 bhp) at 5600 rpm and a maximal torque of 145 Nm at 4000 rpm.

The 1.6 engine is also fitted with a VVT (Variable Valve Timing) system that allows the intake and exhaust valve timing to be varied. This system optimises cylinder filling and also allows internal EGR (Exhaust Gas Recirculation) to be implemented by making intake and exhaust valve opening overlap for a considerable improvement in emission and performance.

This ensures combustion is more complete and thus improves performance and increases torque at low speeds. Top speed is 170 km/h and the fuel consumption figures are 8.9 l/100 km over an urban cycle, 6.1 l/100 km for an extra-urban cycle and 7.1 l/100 km over mixed routes.