List of same cars but different brands - movilogo
Wikipedia has a long list of badge engineered (same car under different brands) vehicles worldwide.

Can we compile a list of all such cars sold in UK at present?

So far, we could find these

Suzuki Wagon R = Vauxhall Agila
Fiat Sedici = Suzuki SX4

List of same cars but different brands - GregSwain
Perodua Myvi = Daihatsu Sirion
List of same cars but different brands - tyro
Peugeot Partner = Citroen Berlingo
List of same cars but different brands - Peter S
Toyota Aygo = Citroen C1 = Peugot 107
List of same cars but different brands - blue_haddock
A lot of vans are badge engineered.

Nissan Primastar/Renault Trafic/Vauxhall Vivaro
List of same cars but different brands - GregSwain
A lot of vans are badge engineered.


Nissan Kubistar and Renault Kangoo too
List of same cars but different brands - Avant
Citroen C-Crosser = Peugeot something (4007?) = Mitsubishi Outlander
Citroen C8 = Peugeot 807 or have we had that?

Previous Ford Fiesta = Mazda 121.
Previous Ford Galaxy = VW Sharan = SEAT Alhambra
List of same cars but different brands - Ruperts Trooper
Chevrolet Captiva = Vauxhall Antara
List of same cars but different brands - Jase
Nissan Cherry = Alfa Arna

Not sure these are still in production though..

List of same cars but different brands - BazzaBear {P}
Nissan Cherry = Alfa Arna
Not sure these are still in production though..

To be irritatingly pedantic, only the Nissan Cherry Europe.
And I hope that second line was tongue in cheek! ;)
List of same cars but different brands - Dynamic Dave
Here's a few from the last time this question was asked:-

www.honestjohn.co.uk/forum/post/index.htm?t=48450