Here is my list, based on reliability indexes (Warrantydirect (UK) and ADAC (Germany))
Good cheap car for less than 5K€
First line: compact hatchbacks (base models in Europe)
>Peugeot 206
>Dacia Sandero
>Ford Fusion
Second line: micro hatchbacks
>Wolksvagen Fox
>Ford Ka
>Citroën C1
Third line: compact sedans
>Mercedes-Benz C-class
>BMW 3-series E46
>Audi A4
Fourth line: hot hatchbacks
>Citroën C2 VTS/Peugeot 206 S16/Renault Clio RS
>Seat Ibiza cupra
>Audi A3 V6
Fifth line: Coupes
>Mercedes-Benz CLK
>BMW 3-series E46 coupe
>Audi TT
Sixth line: Sports cars/GT
>Chevrolet Camaro
>Alfa Romeo GTV
>Subaru Impreza GT
Seventh line: wagons
>Dacia Logan MCV
>Audi A4 avant
>Mercedes-Benz C-class
Eigth line: Real 4x4
>Lada Niva
>Fiat Panda 4x4
>Land Rover Range Rover
Ninth line: SUVs and crossovers
>Honda CR-V
>Toyota Rav 4
>Wolksvagen Touareg
Tenth line: vans
>Wolksvagen Sharan
>Ford Galaxy
>Mercedes-Benz Vito
Eleventh line: compact vans
>Mazda Premacy
>Wolksvagen Touran
>Ford C-Max
Twelwth line: Luxury cars
>Audi A6
>BMW 5-series E39
>Volvo S60
Thirteenth line: AFAYDCG
>Subaru Impreza
>Opel Calibra
>Porsche 924 turbo
Fourteenth line: less than 1k€ edition
>Mazda Demio
>Renault Clio 1
>Wolksvagen Polo
Fifteenth line: special snowflakes, /o/'s favorites
I can't fill that one myself heh