The R635 is a variation of Vector, a joint venture between Audi and Volkswagen which produces a wide range of vehicle components and parts. This model is part of a group of dedicated off-road vehicles specifically built for off-road conditions in rural, mountainous and other difficult terrain. The parts of the R635 include a four-cylinder 2.0-litre turbo diesel engine, five-speed manual transmission, independent suspension, steel plate protection and adjustable dampers for better ride comfort. It has a towing capacity of up to 4.25 tonnes and an interior with adjustable seating, air conditioning, power windows and alloy wheels. The exterior features an aluminum skid plate, winch and optional roll-cage.