Audi head into the final weekend of the 2015 DTM championship admitting their chances of picking up any of the three titles' up for grabs remain 'minimal' at the Hockenheimring.

The RS 5 squad kicked off the season with a huge sense of purpose having eclipsed Mercedes and BMW during the first four races at Hockenheim and the Lausitzring - giving Audi an early lead in all three championship departments.

However, once encountering difficulties with the new performance weight ruling, Audi endured a testing second half of the campaign, which very publicly came to a head with the 'Push him out' scandal at the Red Bull Ring - costing them 62-points in the manufacturers' table.

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"We're going to mobilize all our forces once more and battle for the championships despite the chances are minimal," says Audi DTM boss Dieter Gass.

"We've always been strong at Hockenheim - come rain or shine.

"There are good overtaking opportunities at Hockenheim. The performance among the three manufacturers has been very balanced in the most recent races, even when deducting the weight difference."

With just one point separating the pair in second and third, Team Abt's Edoardo Mortara and Mattias Ekstrom represent Audi's best hope of stopping Mercedes F1 reserve driver Pascal Wehrlein in becoming the youngest ever DTM champion.

"Realistically, we have no chance of clinching the title," said Ekstrom.

"But we've seen a lot happening in the DTM this year. It's great for the fans that four drivers from all three brands still have chances of clinching the title. If our rivals should be faltering, we'll be there to grab whatever there's up for grabs."

Team Abt's Mortara scored more points than anyone else at the Hockenheim season opener but also remains realistic over his title chances.

"Obviously, my chances of taking the title shrunk at the N?rburgring. For me it's great to still be in the title race for the first time in my DTM career before the last weekend," Mortara continued.

"It shows me that I've been making progress compared with the previous years. Hockenheim has always been a track I've felt comfortable on. I'm hoping for a positive ending of the season and am going to battle hard."