Audi A4 DTM

Audi A4 DTM is the name of prototype racing cars of German car manufacturer Audi, which have been designed exclusively for use in the DTM. The A4 DTM was produced in six stages of development which R13, R14 and R14 had the internal production name R11, R12, R12 plus, plus. The A4 DTM replaced the Abt- Audi TT -R, which was used between 2000 and 2003 in the series. From 2004 to 2011, the A4 DTM went there against the DTM AMG Mercedes C-Class and in the first two years against the Opel Vectra GTS V8.

Comeback as a factory team

After the team abbot had used a privately -developed Abt- Audi TT -R in the years 2000 to 2003 and won the 2002 DTM season with Laurent Aiello the title, followed in 2004 by the re-entry of Audi as a factory team in the DTM. The successful start into the series ended with all the titles (driver, team, manufacturer rating ) of the championship.

Stages of development

Technology

Like all racing cars of the DTM is based on the A4 DTM only visually on the same production cars. Constructed is the prototype of a CFRP monocoque chassis with integrated 70 - liter fuel tank. Since refueling at this time was the duty still in the race, a 120 -gallon tank was not built as from 2012. The A4 DTM is powered by a naturally aspirated V8 engine makes 4 liters, which around 340 kW ( ≈ 460 bhp) and a maximum torque of over 500 Nm. The rear-wheel drive A4 DTM also has a sequential 6 - speed sports transmission, a three -disc carbon fiber clutch and an adjustable multi-disc limited-slip differential.

Tire

The tires were delivered by former DTM unit outfitter Dunlop and had the size of the front: 265/660-R18, rear: 280/660-R18.

Driver's Championships

Successor

At the 2012 DTM season 's successor was presented with the Audi A5 DTM. He competes against the new BMW M3 DTM and the DTM AMG Mercedes C-Coupé.