Vijay Mallya admits he doesn't know how his Force India team will perform in the season-opening Australian Grand Prix after missing the majority of pre-season testing.

Mallya's team were forced to miss the first pre-season test entirely due to difficulties paying its suppliers, meaning its 2015 cars were not built on time. Force India were forced to run its 2014 car - VJM07 - in the second four-day test in Barcelona to collect data on the new Pirelli tyre compounds.

The team eventually got its new model, VJM08, to testing for the final two-and-a-half days of testing at the Circuit de Catalunya.

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Force India's owner says despite the limited running - the VJM08 completed just 365 laps over the winter - he was delighted with the car's performance.

"When the VJM08 appeared in Barcelona it ran reliably from the very first moment and didn't miss a beat," Mallya said. "To deliver such a solid performance out of the box was a fantastic achievement from everyone in the team and will stand us in good stead for the first race."

However, looking ahead to the Australian Grand Prix, Mallya admits due to the lack of mileage it is hard to estimate the team's true positioning compared to the rest of the Formula 1 field.

"As for our hopes in Melbourne, it's difficult to make a prediction," Mallya said. "In terms of mileage we are clearly behind the other teams so there is some ground to make up. Equally, the performance work we could do in Barcelona was quite limited. Until we run in qualifying trim and race conditions it's hard to know where we are in terms of competitiveness."

Force India's best-ever result around Albert Park came last season with Nico Hulkenberg's sixth place finish while his team-mate Sergio Perez also also finished in the points in tenth.

"What I do know is that we will give it our best shot to come away with a result."