Picture of Cadillac CTS-V (Mk III)

Cadillac CTS-V (Mk III)

SuperCharged GM LT4 V8
649 ps (640 bhp)
855 Nm (631 lb-ft)
1877 kg (4138 lbs)
346 ps / tonne
Picture of BMW M6 Gran Coupe Competition

BMW M6 Gran Coupe Competition

V8 twin turbo
600 ps (592 bhp)
700 Nm (516 lb-ft)
1981 kg (4367 lbs)
303 ps / tonne
Picture of Alpina B6 Biturbo Gran Coupe

Alpina B6 Biturbo Gran Coupe

V8 twin turbo
600 ps (592 bhp)
800 Nm (590 lb-ft)

Lap Times 1

  CTS-VM6 Gran Coupe CompetitionB6 Biturbo Gran Coupe
Willow Springs 1:29.691:30.661:32.89

Performance

  CTS-VM6 Gran Coupe CompetitionB6 Biturbo Gran Coupe
Top speed 324 kph (201 mph)305 kph (190 mph)324 kph (201 mph)
0 - 40 kph 1.8 s1.6 s1.3 s
0 - 60 kph 2.6 s2.6 s2.0 s
0 - 80 kph 3.4 s3.5 s2.7 s
0 - 100 kph 3.8 s4.0 s3.6 s
0 - 120 kph 5.6 s5.6 s4.7 s
0 - 140 kph 6.9 s6.9 s6.1 s
0 - 160 kph 7.6 s8.0 s7.8 s
0 - 180 kph 10.5 s10.3 s9.8 s
0 - 200 kph 11.5 s11.9 s12.2 s
Est. 100 - 140 kph 2.9 s2.8 s2.6 s
Est. 100 - 200 kph 8.0 s8.0 s8.6 s
100 kph - 0 33 m (109 ft)33 m (109 ft)34 m (112 ft)
200 kph - 0 134 m (440 ft)149 m (488 ft)141 m (464 ft)
18m slalom 68.1 kph (42.3 mph)68.3 kph (42.4 mph)66.7 kph (41.4 mph)
Fuel economy 15.8 l/100 km (15 mpg US / 18 mpg UK)13.0 l/100 km (18 mpg US / 22 mpg UK)14.8 l/100 km (16 mpg US / 19 mpg UK)

Summary

  CTS-VM6 Gran Coupe CompetitionB6 Biturbo Gran Coupe
Track Performance 1009790
Straight line speed 128212941596
Total 138213911686

Verdict

B6 Biturbo Gran Coupe is the fastest by a small margin.

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