Х объедет без спорно, но вот ему конкуренты:
SSC Ultimate Aero
Engine:
Type: Supercharged V8
Displacement cu in (cc): 387 (6342)
Power bhp (kW) at RPM: 1046(780) / 6950
Torque lb-ft (Nm) at RPM: 821(1113) / 6200
Redline at RPM: 7200
Brakes & Tires:
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 235/35 YR19 - 335/30 YR20
Driveline: Rear Wheel Drive
Exterior Dimensions & Weight:
Length ? Width ? Height in: 176.2 ? 82.7 ? 43
Weight lb (kg): 2640 (1199)
Performance:
Acceleration 0-60 mph s: < 3
Top Speed mph (km/h): 273 (440) - calculated from wind-tunnel testing
Fuel Economy EPA city/highway mpg (l/100 km): n.a.

Koenigsegg CCX
Engine:
Type: Supercharged V8
Displacement cu in (cc): 287 (4700)
Power bhp (kW) at RPM: 806(593) / 6900
Torque lb-ft (Nm) at RPM: 678(920) / 5700
Redline at RPM: 7600
Brakes & Tires:
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 255/35 R19 - 335/30 R20
Driveline: Rear Wheel Drive
Exterior Dimensions & Weight:
Length ? Width ? Height in: 169 ? 78.6 ? 44.1
Weight lb (kg): 2601 (1180)
Performance:
Acceleration 0-60 mph s: 3.1
Top Speed mph (km/h): > 245 (> 395)
Fuel Economy EPA city/highway mpg (l/100 km): n.a. (17)

Ultima GTR720
Engine:
Type: V8
Displacement cu in (cc): n.a.
Power bhp (kW) at RPM: 720(537) / n.a.
Torque lb-ft (Nm) at RPM: n.a.
Redline at RPM: n.a.
Brakes & Tires:
Brakes F/R: n.a.
Tires F-R: n.a.
Driveline: Rear Wheel Drive
Exterior Dimensions & Weight:
Length ? Width ? Height in: 156 ? 72.2 ? 41.7
Weight lb (kg): n.a.
Performance:
Acceleration 0-60 mph s: 2.6
Top Speed mph (km/h): 200 (322)
Fuel Economy EPA city/highway mpg (l/100 km): n.a.

Lamborghini Murcielago
Engine:
Type: V12
Displacement cu in (cc): 396 (6496)
Power bhp (kW) at RPM: 640(471) / 8000
Torque lb-ft (Nm) at RPM: 487(660) / 6000
Redline at RPM: n.a.
Brakes & Tires:
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 245/35 ZR18 - 335/30 ZR18
Driveline: All Wheel Drive
Exterior Dimensions & Weight:
Length ? Width ? Height in: n.a.
Weight lb (kg): n.a.
Performance:
Acceleration 0-60 mph s: 3.3
Top Speed mph (km/h): n.a.
Fuel Economy EPA city/highway mpg (l/100 km): n.a.

Dodge Viper SRT
Engine:
Type: V10
Displacement cu in (cc): 505 (8277)
Power bhp (kW) at RPM: 500(372) / 5600
Torque lb-ft (Nm) at RPM: 525(712) / 4200
Redline at RPM: 6000
Brakes & Tires:
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 275/35 ZR18 - 345/30 ZR19
Exterior Dimensions & Weight:
Length ? Width ? Height in: 175.6 ? 78.5 ? 47.6
Weight lb (kg): 3385 (1536)
Performance:
Acceleration 0-62 mph s: < 4.0
Top Speed mph (km/h): 190 (306)
Fuel Economy EPA city/highway mpg (l/100 km): 12/20 (n.a.)

Invicta S1-600
Type: V8, Supercharged
Displacement cu in (cc): 305 (5000)
Power bhp (kW) at RPM: 600(44 / 4500
Torque lb-ft (Nm) at RPM: 575(780) / 4500
Redline at RPM: n.a.
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 255/35 ZR19 - 275/35 ZR19
Driveline: Rear Wheel Drive
Length × Width × Height in: 171.6 × 78 × 47.8
Weight lb (kg): 3042 (1380)
Acceleration 0-62 mph s: 3.8
Top Speed mph (km/h): > 200 (322)
Fuel Economy EPA city/highway mpg (l/100 km): n.a.

И т.д.