Picture 1, beside the word 'New' in english:
'New Supra Prototype Secret Document--3 Million Yen and 350HP!'
3 million Yen is about $25,500 US.
Below the car: 'This is the base model horsepower'
Picture 2:
I can't figure out what measurement is 1850mm.
Next measurement is (probably) Track: 1300mm/52".
Wheelbase: 2600mm/104"
Weight: 1400kg/3080lbs.
Main Text: '5L V8 model with 430-450hp! (Coupe version)'
Red sidebar: 'Closeup!'
Picture 3: 'V8 and V6 engine types'. The V8 is 430-450hp 5L, and the V6 is a 330-350hp 3.5L.
Picture 4: 'Base model V6 coupe for 3 Million Yen?!'
(Translated by Ohtori)