Sunday, December 30, 2012

Land Rover Discovery 4


The Land Rover Discovery is an off road focused mid-size SUV, from the British car maker Land Rover. There have been four generations of the vehicle, which was first introduced in 1989. The current Discovery 4 is marketed in North America as the LR4.
The Discovery 4 (called the LR4 in North America) is an updated version of the Discovery 3. Using the same Integrated Body Frame structure, the new Discovery has altered front and rear light units and a restyled front grille and bumper to adopt the same smoother, rounder style as also adapted for the 2010 Range Rover and Range Rover Sport. The Discovery 4 (on most models) also retains the body-coloured wheel arches and bumpers as the late D3s (early D3s had black plastic trim). Optional Daylight Running Lamps can be specified whilst LED lamps feature prominently in both front and rear lamp units.
The majority of the changes are mechanical. The D4 receives two engines from Jaguar Land Rover's 'Gen III' range. The TDV6 Gen III is a 3-litre development of the 2.7-litre engine used in the D3. The new version features advanced twin-sequential turbochargers where a Variable geometry turbocharger is used at low engine speeds, with a second standard turbo is brought online at higher engine speeds. This system provides greater output than the older engine now 241 bhp (180 kW) and 600 N·m (440 lb·ft) whilst reducing CO2 emissions by 10%. The Gen III version of the V8 petrol engine (available in markets outside the UK such as North America, Russia, Australia, and some EU countries) is now a 5-litre unit with Direct Petrol Injection developing 385 bhp (287 kW) and 520 N·m (380 lb·ft).
The D3s six-speed manual transmission is no longer available in the UK (except on the basic GS model, see below). An improved version of the ZF six-speed automatic/sequential gearbox is now fitted which includes taller gearing to take advantage of the new engines' greater torque output and an updated lock-up system to further reduce fuel consumption. Other technical changes include the fitting of the more powerful brakes from the Range Rover Sport and thicker anti-roll bars to improve on-road handling. The electronic handling system have been updated - the Stability Control System now includes a programme that detects the onset of understeer and applies the brakes. The D4 retains its predecessor's fully independent air suspension with cross-linking when off-road and the twin-range transfer gearbox with an electronic infinitely-variable locking centre differential. As before a similar locking rear differential is available. The Terrain Response system remains but with two new features- the 'Sand' mode incorporates a new traction control mode to prevent loss of traction when starting off and stopping in soft sand, and the 'Rock Crawl' mode gains a feature that applies gentle brake pressure at low (less than walking pace) speeds to improve grip and stability on slick rock. The system is also 'retuned' to account for the new engines and gearboxes with their different torque characteristics. Other new electronic systems include Trailer Stability Assist which can adjust the throttle and brakes to prevent a dangerously swaying trailer.
The 2.7-litre TDV6 engine was available in Europe on the basic 2.7 GS passenger and 2010 Commercial ranges. Unlike the D3 base model this is equipped with air suspension and the Terrain Response system. The automatic transmission is an option on this model. The 3.0-litre Gen III model (only with automatic transmission) is also available in the GS trim level.
The Discovery 4 also features a redesigned interior (again in keeping with the new styles introduced elsewhere in the LR range for 2010). The instrument cluster is updated with the speedometer and tachometer analogue gauges being redesigned to improve clarity. The analogue temperature and fuel gauges of the D3, and the electronic information display are replaced by a single TFT screen capable of displaying information in a variety of modes and formats. The D4's interior also has a new centre console, which includes redesigned and simplified switches and controls. The D4 also has a new seat design and a wider range of available interior materials-some (such as the highly polished 'Piano Black' and wood veneer) are materials previously only seen in Range Rover models. The stated aim of the interior redesign was to lift the vehicle upmarket, especially the higher-spec models which are now aimed at the luxury and executive markets.
The D4 gains some electronic systems from the Range Rover lineup such as the optional 'Surround Camera System'- a series of cameras located in the headlamps, wing mirrors and rear tailgate handle which can display their images on the centre console screen to improve visibility when off-road, when hitching up to a trailer or when parking. Other electronic systems are intended to improve efficiency- for example the engines feature a 'Smart' alternator that only charges the battery when engine load is low, thus helping to reduce fuel consumption when the engine is working harder.
The Discovery 4 was unveiled in the summer of 2009 and went on sale in the United Kingdom on 1 September that year. A Commercial van variant was released in the UK at the same time using the 2.7 engine and offered in GS and XS trim levels. In the Republic of Ireland a Commercial van was offered from 1 January 2010 based on the XE 2.7 manual and HSE 3.0 auto engines.
For the 2011 model year announced late 2010, the 2.7 engine was dropped and two versions of the 3.0 litre engine were made available - one called the TDV6 and one called the SDV6 (the latter offering 245 bhp).
For the 2012 model year, diesel models in Europe came with the new 8-speed auto gearbox with steering wheel paddle controls and a circular dial selector that raises upon startup. The SDV6 engine was uprated to 255 bhp whilst both diesel engines featured reduced emissions for European models. During 2012 the HSE Luxury special edition was announced, featuring enhanced trim levels, and available in Europe and North American markets.
In Ireland, 2012 saw the introduction of a new 5 seat version of the Discovery 4 classified as an N1 Commercial vehicle, therefore attracting lower VRT rates. There is also a new 2 seat Commercial on the same rules. All Irish models came with the lower emissions TDV6 engine.


Name : Discovery 4
Car Body Type : SUV
Segment : D+ Segment
Top Speed : 215


Displacement : 2993cc, V6
Engine Type : Diesel
Maximum Power : 240 Bhp @ 4000 rpm
Maximum Torque : 600 Nm @ 2000 rpm


Length : 4838 mm
Width : 2176 mm
Height :1837 mm


Airbag : 8
Parking Sensors : Yes
Fog Lamp : Yes
Traction Control : No
EBD : Yes
ABS : Yes
ESP : Yes
Rear Seat Belts : 3


AC : AC (with Dual Zone Climate Control)
Power Windows : Yes
Central Locking : Remote
Remote Boot : Yes
Remote Fuel Filler : Yes
Rear Wiper : Yes
Rear Defogger : Yes
Rear Armrest : With Cup Holder
Steering Adjustment (Rake/Reach) : Yes/Yes
Driver Seat Adjustment : Manual
Music System : Dash Integrated Double Din
Leather Seats : Yes
Door Mirror : Both Side
Tinted Glass : Yes
Rear AC Vent : Yes
Folding Rear Seats : Yes
Sun Roof : Yes
Buttons/Controls on Steering : Yes
Auto Viper : Yes
Auto Headlamp : Yes


Seating Capacity : 7
Tyre Size : 235/70 R19
Suspension : No
Boot Space : 280.00 ltrs.
Steering : Power
Brakes : Front Ventilated, Rear Disk
Gears : 6 Automatic
Kerb Weight : 2718.00 kgs.
Fuel Tank : 82.30
Body Color Bumpers : Yes
Tachometer : Yes
Alloys : Yes
ORVM Indicator : No
Xenon Headlamps : No
Trip Meter : 2
Headlamp Washer : No

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1 comment:

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