As the torgue units may vary between different versions of GT5 , a converter site like
this may come handy.
I wrote down a few more premium car specs. (from the power/torque curve-graph)
Ferrari
Enzo Ferrari '02 922 BHP 84.8kgfm 1044kg
Nissan
GT-R N24 Schulze Motorsport '11 858 BHP 93.0kgfm 1505kg (774bhp/98.5kgfm with mid range turbo)
Ford
Ford GT LM Spec II Test Car 826 BHP 108kgfm 1165kg
Mazda
787B Race Car '91 895 BHP 79.0kgfm 830kg (862bhp/81.3kgfm with mid range turbo)
RX-7 TC 662 BHP 62.4kgfm 975kg (575bhp/66.8kgfm with mid range turbo)
RX-7 Spirit R Type A (FD) '02 605 BHP 59.9kgfm 1051kg (546bhp/65.6kgfm with mid range turbo)
Eunos Roadster (NA Special Package) '89 255 BHP 25.7kgfm 831kg (251bhp/29.0kgfm with supercharger)
Audi
R10 TDI Race Car '06 806 BHP 126kgfm 925kg (769bhp/138kgfm with mid range turbo)
Subaru
IMREZA Sedan WRX STI spec C Type RA RM '05 545 BHP 73.1kgfm 1065kg (mid range turbo)
Honda
CIVIC TYPE R (EK) RM '97 401 BHP 32.7kgfm 845kg
TAKATA DOME NSX '06 640 BHP 69.2kgfm 1100kg (593bhp/69.3kgfm with mid range turbo)
Lotus
Lotus Elise RM '96 270 BHP 28.9kgfm 645kg (247bhp/33.4kgfm with mid range turbo)
RE Amemiya
Amemiya AsparaDrink RX7 '06 498 BHP 48.2kgfm 1100kg
Peugeot
307 CC Premium AVN '04 290 BHP 31.9kgfm 1241kg (270bhp/35.7kgfm with mid range turbo)
Alfa Romeo
GIULIA TZ2 carrozzata da ZAGATO CN.AR750106 '65 254 BHP 25.1kgfm 620kg (197bhp/26.7kgfm with mid range turbo)
Fiat
500 1.2 8V Lounge SS '08 283 BHP 29.8kgfm 853kg (268bhp/40.3kgfm with mid range turbo)