« NHTSA releases advanced notice of proposed rulemaking on V2V, supporting research report | Main | JBEI researchers develop “bionic” liquids: ionic liquids derived from lignin and hemicelullose; towards closed-loop biorefineries »
3rd generation Audi TT reduces full lifecycle GHGs by 11% compared to predecessor
18 August 2014
|Lifecycle greenhouse gas emissions for 2nd and 3rd generation TTs. Click to enlarge.|
Audi’s new third-generation TT reduces life-cycle greenhouse gas emissions by 11% compared to its predecessor. This results in a reduction of around 5.5 tonnes of GHGs—CO2, methane, nitrous oxide and halogenated organic emissions—over its entire lifecycle. At the same time, Audi has increased the power output in the new TT by up to 14%.
A number of technologies have contributed towards the positive life cycle assessment of the Audi TT, including lightweight construction. Using an intelligent combination of materials, Audi engineers have, for the second time in a row, succeeded in reducing the car’s unladen weight.
The first model change in 2006 saw weight savings of up to 90 kilograms (198.4 lbs). With the 2.0 TFSI engine variant of the new TT now weighing in at 1,230 kilograms (2,711.7 lbs), this means that the car is once again around 50 kilograms (110.2 lbs) lighter than its predecessor.
|Click to enlarge.|
The Coupé’s underbody structure has optimized axle loads and is made of modern, high-strength and ultra high-strength steel alloys. In sections of the passenger cell that are subject to high structural stress, form-hardened steel panels are used that are ultra strong and at the same time light—these constitute 17% of the body’s weight.
The side sills and roof frame are made of extruded aluminum profiles, which are integrated into the structure using cast aluminum nodes. This construction principle creates a very rigid and safe bodyshell. The aluminum side sections and roof complete the structure. The hood, doors and tailgate are also made of aluminum.
Weight reduction and intelligent lightweight construction measures also have an impact on the vehicle manufacturing process. Here, it has been possible to reduce greenhouse gas emissions by around 9%, or 800 kilograms (1,763.7 lbs).
|Audi TT Coupé fuel consumption and GHG comparison|
|MY 2014 (Gen 2)||MY 2015 (Gen 3)|
|Model||2.0 TFSI quattro 155 kW S tronic||2.0 TFSI quattro 169 kW S tronic|
|City||9.9 l/100 km
23.8 mpg US
|8.4 – 8.3 l/100 km|
28 - 28.3 mpg US
|Highway||5.7 l/100 km
41.3 mpg US
| 5.5 – 5.4 l/100 km|
42.8 - 43.6 mpg US
|Combined||7.2 l/100 km
32.7 mpg US
|6.5 – 6.4 l/100 km|
36.2 - 36.8 mpg US
|CO2 (comb.)||169 g/km||151-149 g/km|
TrackBack URL for this entry:
Listed below are links to weblogs that reference 3rd generation Audi TT reduces full lifecycle GHGs by 11% compared to predecessor: