[[Berkas:Sebastien Bourdais 2008 Valencia test.jpg|thumb|200px|kanan|[[Sebastien Bourdais]] dalam [[Toro Rosso STR2|mobil Toro Rosso STR2B]].]]
Tes serentak pertama diadakan di [[Circuito Permanente de Jerez|Jerez]] pada tanggal [[14 Januari]] [[2008]]. [[Scuderia Ferrari|Tim Ferrari]], [[McLaren]], dan [[Toyota F1dalam Formula Satu|Toyota]] menguji mobil 2008 mereka. [[Williams F1|Tim Williams]] menguji versi modifikasi dari [[Williams FW29|mobil FW29]], sedangkan [[Renault dalam Formula Satu|tim Renault]] dan [[Red Bull Racing|Red Bull]] menguji pembalap 2007 mereka. [[Honda dalam Formula Satu|Tim Honda]], [[Scuderia Toro Rosso|Toro Rosso]], [[Super Aguri]], dan [[Force India]] juga ikut serta. [[BMW Sauber|Tim BMW]] tidak dapat hadir karena sedang meluncurkan [[BMW Sauber F1.08|mobil F1.08]].<ref name="2008 Testing 1">{{cite news|url= http://www.formula1.com/news/headlines/2008/1/7254.html|title= 2008 testing gets underway in Spain|publisher= formula1.com|date= 2008-01-14|accessdate= 2008-02-09|archive-date= 2008-01-17|archive-url= https://web.archive.org/web/20080117120443/http://www.formula1.com/news/headlines/2008/1/7254.html|dead-url= no}}</ref> Uji coba kemudian berpindah ke [[Circuit de Valencia|Valencia]] pada tanggal [[22 Januari]]. Hanya tim Renault dan Williams saja yang ada di lintasan pada hari pertama. Mereka berdua menguji calon pembalap 2008 mereka.<ref name="2008 Testing 2">{{cite news|title= Valencia day one - Alonso leads Hulkenberg|url= http://www.formula1.com/news/headlines/2008/1/7285.html|publisher= formula1.com|date= 2008-01-22|accessdate= 2008-02-09|archive-date= 2008-01-28|archive-url= https://web.archive.org/web/20080128172927/http://www.formula1.com/news/headlines/2008/1/7285.html|dead-url= no}}</ref> Mereka kemudian bergabung bersama dengan semua tim kecuali Super Aguri pada tiga hari berikutnya. Pada tanggal [[1 Februari]], uji coba dipindahkan ke [[Circuit de Catalunya|Barcelona]]. Hanya tim Super Aguri saja yang tidak ikut serta di dalam sesi ini. Pada hari pertama, terjadi kecelakaan yang melibatkan [[Kazuki Nakajima]] dengan [[Williams FW30|mobil FW30 miliknya]].<ref name="2008 Testing 3">{{cite news|title= Barcelona day one - Hamilton sets the standard|url= http://www.formula1.com/news/headlines/2008/2/7319.html|publisher= formula1.com|date= 2008-02-02|accessdate= 2008-02-10|archive-date= 2008-02-06|archive-url= https://web.archive.org/web/20080206103247/http://www.formula1.com/news/headlines/2008/2/7319.html|dead-url= no}}</ref> Selain itu, terjadi aksi rasisme yang ditujukan terhadap [[Lewis Hamilton]]. Tim Williams lebih memilih untuk mengundurkan diri pada hari ketiga untuk menyelesaikan penyebab kecelakaan yang menimpa Nakajima. Selain itu, pada tanggal [[4 Februari]], tim Ferrari dan Toyota pindah ke [[Sirkuit Internasional Bahrain|Bahrain]] untuk melanjutkan pengujian [[Ferrari F2008|mobil F2008]] dan [[Toyota TF108|TF108]].<ref name="2008 Testing 4">{{cite news|url =http://www.formula1.com/news/headlines/2008/2/7327.html|title =Bahrain day one - Ferrari one-two in testing|publisher =formula1.com|date =2008-02-04|accessdate =2008-02-04|archive-date =2008-02-06|archive-url =https://web.archive.org/web/20080206194448/http://www.formula1.com/news/headlines/2008/2/7327.html|dead-url =no}}</ref>
== Jadwal Balap ==
!rowspan="2"| [[Williams Grand Prix Engineering|Williams]]
|rowspan="2"| [[Williams FW30|FW30]]<ref>{{cite news|title =New Williams breaks cover in Spain|publisher =fomula1.com|url =http://www.formula1.com/news/headlines/2008/1/7280.html|date =2008-01-21|accessdate =2008-02-06|archive-date =2008-01-31|archive-url =https://web.archive.org/web/20080131162428/http://www.formula1.com/news/headlines/2008/1/7280.html|dead-url =no}}</ref>
|rowspan="2"| [[Toyota F1dalam Formula Satu|Toyota]] RVX-08<ref name="Toyota engines for Williams in 2008">{{cite news|first =|last =|author =|coauthors =|url =http://www.formula1.com/news/4692.html|title =Toyota engines for Williams in 2007|work =|publisher =formula1.com|pages =|page =|date =2006-07-27|accessdate =2006-10-20|language =|archive-date =2007-10-14|archive-url =https://web.archive.org/web/20071014224703/http://www.formula1.com/news/4692.html|dead-url =no}}</ref>
|rowspan="2" align="center"| {{Bridgestone}}
| align="right" | 7
| {{flagicon|Australia}} [[Mark Webber (pembalap)|Mark Webber]]<ref name="Mark Webber">{{cite news|url = http://www.autosport.com/news/report.php/id/64716|title = Webber aims to improve on 2007|publisher = autosport.com|date = 2008-01-16|accessdate = 2008-01-16|archive-date = 2008-01-19|archive-url = https://web.archive.org/web/20080119011423/http://www.autosport.com/news/report.php/id/64716|dead-url = no}}</ref>
|-
|rowspan="2"| {{flagicon|Jepang}} [[Panasonic]] [[Toyota F1dalam Formula Satu|Toyota Racing]]
!rowspan="2"| [[Toyota F1dalam Formula Satu|Toyota]]
|rowspan="2"| [[Toyota TF108|TF108]]<ref name="TF108">{{cite news|url = http://www.formula1.com/news/headlines/2008/1/7246.html|title = Longer wheelbase, new aero concept for latest Toyota|publisher = formula1.com|date = 2008-01-10|accessdate = 2008-02-09|archive-date = 2008-01-15|archive-url = https://web.archive.org/web/20080115065453/http://www.formula1.com/news/headlines/2008/1/7246.html|dead-url = no}}</ref>
|rowspan="2"| [[Toyota F1dalam Formula Satu|Toyota]] RVX-08
|rowspan="2" align="center"| {{Bridgestone}}
| align="right" | 11
|