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Design developmentTechnical development

A Development Challenge

The technical requirements that the Veyron 16.4*) developers had to meet could not have been any more complex.
They were to create a car like none before. Their declared objective was a serial production vehicle able to hold its own on the Formula 1 racetrack and provide a relaxed, yet exciting driving experience in everyday traffic.

The Veyron 16.4 exceeds these expectations with its 736 KW (1,001-HP) engine, its ability to reach a velocity of 400 km/h at the push of the gas pedal, and its racecar safety concept. This unmatched feat was made possible by a series of technical innovations never before built into a serial production vehicle. Many of the Veyron’s parts were previously unavailable on the world market: before the Veyron was created, the maximum capacity of available fuel pumps sufficed only for 650 HP. The world’s very first seven-gear direct-shift transmission was merely a concept. The central hydraulic system is yet another innovation: it supports the car’s brake and steering system, controls the rear spoiler and diffuser, and regulates the ground clearance, which varies from 65 to 125 mm, depending on the velocity. One central requirement governed the development of all new parts: they had to work perfectly together. And at Bugatti, perfection is an absolute without compromises.

Top velocities are always available at the push of the Veyron’s pedal. One decisive speed factor is the car’s aerodynamics – the perfect balance of drag, propulsion, and downforce. Again and again, the Bugatti engineers varied minute details of the car’s exterior shape, particularly the front and rear spoilers, until finally, there wasn’t a wind tunnel in the world that could simulate the necessary speed, and the car had to go back on the racetrack for each further detail test.

Wind tunnel tests

Wind tunnel tests
The first car from construction stage 3 in the Sauber wind tunnel. Shortly afterwards, this car drove over 400 km/h for the first time on the high-speed test track in Ehra.

Reifentests
 
 

*) Gearbox: 7 Gear DSG, fuel consumption in town: 41.9l/100km, fuel consumption out of town: 15.6l/100km, fuel consumption combined: 24.9l/100km, CO2 emission combined: 596g/km, Efficiency Class: G
Annual tax for this vehicle €1132
Energy costs at a mileage of 20,000 km:
Fuel costs (Super Plus) at a fuel price of 1.624 EUR/billing unit €8087.52
Created on: 11/30/2011
The values were calculated using the prescribed measurement method (§ 2, numbers 5, 6, 6 per car energy labeling ordinance in its current version).CO2 emissions, which result from the production and provision of fuel or other energy sources are not taken into account in the determination of CO2 emissions pursuant to Directive 1999/94/EC. The figures do not refer to a specific vehicle and are not part of the offer, but only serve the purpose of comparing different vehicle types. The fuel consumption and CO2 emissions of a vehicle not only depend on the efficient utilization of the fuel by the vehicle, but also on driving style and other non-technical factors. CO2 is the main greenhouse gas responsible for global warming. Notice pursuant to Directive 1999/94/EC of each current valid version: For more information on official fuel consumption and the specific official CO2 emissions of new passenger cars can be acquired from the "Guide for Fuel Economy, CO2 Emissions and Power Consumption of New Passenger Cars" available at all sales outlets and at DAT German Automobil Treuhand GmbH, Hellmuth-Hirth-Strasse 1, D-73760 Ostfildern – available free of charge or at www.dat.de. Efficiency classes of vehicles are evaluated in terms of CO2 emissions by means of the vehicle's empty weight. Vehicles that correspond to the average are classified as D. Vehicles that are better are graded with A+, A, B or C. Vehicles that are worse than the average are given an E, F or G.