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APX Concept
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  Lotus APX Concept
 

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Country of origin:Great Britain
Produced in:2006
Introduced at:2006 Geneva Motor Show
Designed by:Lotus Design
Source:Company press release
Last updated:February 26, 2006
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Click here to download printer friendly versionAPX by Lotus Engineering (APX stands for "Aluminium Performance Crossover") is the first example of a complete vehicle built on the innovative Versatile Vehicle Architecture (VVA). APX is a demonstration of Lotus Engineering's ability to create innovative and exciting, high performance products through its world class capability in Vehicle Design, Performance Powertrain Engineering and niche vehicle development, the first production car from this technology will be the new Lotus mid-engine super sportscar.

It is a 7-seater (in reality a 5 + 2 with the two rear seats being occasional) four-wheel drive "Crossover" vehicle with a front mounted 300 hp supercharged V6 petrol engine. Weighing in at just 1570 kg and with a power to weight ratio of 191 hp per tonne, the APX has sportscar like performance of 5.4 seconds to 100 km/h (5.0 seconds to 60 mph) before reaching a top speed of 245 km/h (152 mph). These performance figures are as good as the highest performing 4x4 "Crossover" vehicles from other brands with up to 195 hp per tonne. Crucially though, whereas those vehicles need higher output engines to compensate for heavy weight, APX does not. Combined fuel consumption for APX is estimated to be 8.7 litres / 100 km (or 32 mpg) - impressive on its own and more so when compared to its production rivals which often consume more than 13 litres per 100 km (22 mpg).

APX is manufactured predominantly from aluminium in the form of high-pressure die-cast corner nodes, stampings and extrusions. It uses advanced assembly techniques, including adhesive bonding, self-piercing rivets and flow-drill screws for construction - joining techniques that Lotus calls Riv-Bonding. Lotus has optimised the use of these technologies thus significantly reducing the number of mechanical fixings within the monocoque structure. This has reduced the level of investment required in manufacturing equipment.

APX is not just a Lotus Engineering concept, but a feasible prototype close to production; it is not a concept indicating a strategic direction of Lotus Cars; it is, however, a brilliant demonstration of VVA and the skills of the team from Lotus Engineering into what is regarded as the future of niche vehicle manufacture. APX is production feasible as all the components can be made cost effectively and in high niche volume (up to around 30,000 per year).

APX is powered by a V6 engine has been designed by Lotus Engineering's powertrain division. The directive for Project NEF was to produce a high performance prototype engine without the need to resort to exotic materials or manufacturing technology, allowing manufacture around the world. APX's engine is a supercharged 3 litre (2996 cc, Bore: 88 mm, stroke: 82.1 mm) V6 DOHC engine, mounted longitudinally in the front of the vehicle. Performance of the engine is maximum power of 224 kW (300 hp, 304 PS) at 6250 rpm and a torque of 360 Nm at 4500 rpm. Like the vehicle, the engine is not just a Lotus Engineering concept, but a feasible prototype close to production, however it is not a concept indicating a strategic powertrain direction of Lotus Cars. The engine is production feasible and it is expected that the commercialisation of this engine will be of interest to the automotive clients of Lotus Engineering.

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  Article Image gallery (9) Specifications