Caterham's 2013 car has been unveiled at Jerez, Spain, on the first day of the first official pre-season test. The car was revealed by the team's drivers Charles Pic and Giedo van der Garde.

The 2013 car has technical features that distinguish it from its predecessor, the CT02, and it will race in an updated livery which sees the team's green and yellow paint-scheme refreshed and lightened for the season ahead.

"CT03 is the first car we have produced in the Leafield Technical Centre," said Technical Director, Mark Smith, "so it marks an important milestone in the development of our team. The season ahead presented us with an interesting challenge early in the design process as it is the last year of the current regulations before the introduction of the new engine rules in 2014. With that in mind we decided that CT03 would be an evolution of CT01 rather than a complete re-design, allowing us to focus our resources on developing areas of last year's package where opportunities would give us the greatest return, whilst also beginning work on the 2014 package.

"We have made a number of significant changes to the car that takes it from the package that gained us tenth place in the 2012 Championship in Brazil into CT03. Among the most obvious are around the lower chassis where the sidepods have been significantly undercut to improve airflow to the rear of the car. The diffuser, engine cover and cooling exits have also seen major changes and there are more subtle improvements to other areas of the car, such as the sidepod turning vanes and the lower tea-tray area. This is the package we will take to race one in Australia and as part of the 2013 upgrade program we will then bring new front and rear wings and a new diffuser soon after the start of the season.

"However, the CT03 car that starts testing in Spain on day one in Jerez is not the only visible change amongst a number of other important developments at Caterham this winter. Back in Leafield, we are fast completing our own 'driver in the loop' simulator, created with the support of Dell and powered by Alienware. This is a major asset for our team that puts us on a par with any of our competitors and constitutes another example of the long-term plans we are activating that will help us continue to grow and develop into the team we know we can become.

"Personally I am excited about the season ahead, and the challenges that face us. Regardless of the resources and budget available, all the teams will be racing in 2013 with one eye on next year when the new rules may present opportunities to make significant gains, much greater than those available under static rules. Our whole team is ready for its fourth season in F1 and I am sure it is going to be another thrilling championship."

"This is the first car we have produced since I joined the team," added Team Principal, Cyril Abiteboul, "so this is a proud day for me. I am very pleased that we have been able to allocate our resources and budgets as efficiently as possible to produce a car that will allow us to consolidate our position in Formula One whilst also starting work on the 2014 car as early as possible.