I don't have one but been researching into one for next year, it uses the 2ZZ engine 1800cc that develops 180bhp with either a 6 speed close ratio manual gearbox or 174 bhp with 4 speed auto. The engine is designed by toyota and yamaha.  Some weeks ago, I managed to test an toyota altezza beams, whaaa! I think the Runx is nice compared to Toyota IST V V Ti though IST has a better interior and designed for economy. IST uses the 1NZE engine so 1500cc = 105bhp.

 

Anyone with a RunX Aero with 2 ZZ engine, share some thots.... :-)

 

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Sign on my car is " L " plates : c#.net