The New Mazda5 Safety and Fuel Efficiency Features

New Mazda5
New Mazda5

The New Mazda5 includes a generous standard safety package, with six airbags - front, side and curtain - and active safety features including large 300mm ventilated disc brakes in the front and 302mm rear brakes, four-channel ABS, electric brake-force distribution (EBD), brake assist, traction control (TCS) and DSC; and an Emergency Stop Signal (ESS) that warns the cars behind of a sudden braking manoeuvre by automatically flashing the hazard lights rapidly.

With the 17-inch wheels, a tyre pressure monitoring system (TPMS) is standard. A further enhancement to the Mazda5's safety is the first-ever employment of Mazda's Brake Override System, which always prioritises the brake pedal over the accelerator pedal should both be engaged simultaneously, allowing the vehicle to be brought to a safe stop.

Using Mazda5's two electric sliding back doors is now even safer with the introduction of a new, highly sensitive touch-sensor strip, running the length of the door's leading edge, that automatically and dependably returns the door to the open position if obstructed. A park-assist system is also available with four sensors in the rear bumper that continuously measure the distance to any object when parking in reverse gear.

The Mazda5's Improved Body and Suspension Stiffness for More Control

Chassis engineers also improved local stiffness at bodyshell locations which enhance vehicle control. They enlarged the cross-section for the D-pillars, the upper part of the liftgate, and the corner radius of the liftgate opening, which stiffened the rear of the vehicle and lowers liftgate opening displacement by 17percent compared to the previous Mazda5. Up front, additional spot welds were added to the apron section of the front damper top mounts and at the base of the B-pillars, and a closed-section structure was adopted for the rear pillars to increase rigidity at belt-line level.

The suspension layout for the New Mazda5 employs MacPherson struts in front and a multi-link suspension at the rear, twin-tube dampers in the front and separate coil springs and monotube dampers with integrated rebound springs at the back. To deliver a linear driving feel, engineers introduced new rubber couplings to the steering shaft joint section and stabiliser (anti-roll bar) mounts, modified the dampers and bushings for both the front and rear suspension, and increased all spring rates. These combined changes deliver a smoother response during acceleration, deceleration and when cornering, and also improve straight-line stability when driving at motorway speeds.

New Aerodynamic Design of The New Mazda5

The new front end design of the New Mazda5 not only sets it apart from other C-MAV's, it also contributes to an aerodynamic performance that is unusually good for a C-MAV. A new front lip spoiler, a flat engine underfloor cover and front tyre deflectors work together to channel the air under the vehicle efficiently, which reduces drag and helps to keep fuel consumption down. The design of the vehicle is also optimised to improve the lift balance at the front and back. These measures give the New Mazda5 a drag coefficient of just Cd 0.30, one of the lowest in the C-MAV segment.

Mazda5 Powertrain Line-up With New Mazda i-stop

Mazda's new C-MAV has an engine line-up that focuses on Zoom-Zoom driving fun coupled to low consumption and emissions. Besides the new MZ-CD 1.6 diesel, there are two petrol engines available for the mazda5, both with smooth, precise-shifting six-speed manual transmissions. Topping the Mazda5 range is the MZR 2.0 DISI petrol engine with direct-injection and i-stop, Mazda's stop/start technology that offers great performance coupled to double-digit reductions in fuel consumption and CO2 emissions. It produces 110kW/150ps of power at 6,200rpm and 191Nm of torque at 4,500rpm, to deliver a top speed of 121mph. Despite all this power, it uses 13 per cent less fuel (6.9 litres per 100 km) and produces 15 per cent less CO2 (159g/km) than the naturally-aspirated 2.0-litre petrol it replaced.

This engine is joined by an updated version of the popular MZR 1.8 petrol engine with a maximum output of 85 kW/115ps at 5,300 rpm and maximum torque of 165Nm at 4,000rpm. It is newly mated to the six-speed manual transmission with a higher top gear ratio, which helps to lower fuel consumption by 4 per cent (to 7.2 litres per 100 km), CO2 emissions by 6 per cent (to 168g/km) and to comply with Euro V.

Published : 19/01/11 Author : Staff

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