which FIA GT car's handling characteristics are most like that of the R8?

I'm goofing off playing GTR2 with a force-feedback steering wheel, logging laps at Hockenheim to keep me busy until I actually go there in June to drive the R8. So what car to drive to get the most accurate experience?

Ze list:

BMW M3 GTR 4.0L V8 500hp 1170 kg G2
BMW Z3M 3.2L Inline-6 380hp 1100 kg G3
Chevrolet C5-R 7.0L V8 610hp 1150 kg G2
Chrysler Viper GTS-R 8.0L V10 636hp 1100 kg GT
Ferrari 360 GTC 3.6L V8 460hp 1100 kg NGT
Ferrari Modena 3.6L V8 440hp 1100 kg NGT
Ferrari 550 Maranello 6.0L V12 630hp 1100 kg GT
Ferrari 575 GTC 6.0L V12 610hp 1100 kg GT
Gillet Vertigo Streiff 3.0L V6 242hp 1030 kg G3
Lamborghini Murcielago R-GT 6.0L V12 610hp 1100 kg GT
Lister Storm 7.0L V12 595hp 1100 kg GT
Lotus Elise 1.8L Inline-4 200hp 700 kg G3
Maserati MC12 6.0L V12 650hp 1270 kg GT
Morgan Aero 8 4.7L V8 460hp 1100 kg G2
Mosler MT900R 5.7L V8 438hp 1100 kg G2
Nissan 350Z 3.5L V6 430hp 1100 kg NGT
Porsche 911 Bi-Turbo 3.6L Flat 6 Biturbo 520hp 1200 kg G2
Porsche 911 GT2 3.6L Flat 6 Turbo 605hp 1130 kg GT
Porsche GT3 Cup 3.6L Flat 6 390hp 1150 kg G3
Porsche GT3 RS 3.6L Flat 6 450hp 1100 kg NGT
Porsche GT3 RSR 3.6L Flat 6 457hp 1100 kg NGT
Saleen S7-R 7.0L V8 620hp 1100 kg GT
Seat Toledo 3.0L V6 Turbo 510hp 1150 kg G2
TVR T400R 4.0L Inline 6 440hp 1100 kg NGT
Viper Competition Coupe