Alfa Romeo 155ti	Mercedes C-class	Opel Calibra V6
Engine configuration	60-degree V	90-degree V	75-degree V
Number of cylinders	6, normally aspirated	6, normally aspirated	6, normally aspirated
Valvetrain	DOHC, 4 valves/cyl	DOHC, 4 valves/cyl	4 cam, 4 valves/cyl
Displacement(cc)	2499	2499	2498
Compression ratio	12.5:1	NA	12.5:1
Power output (HP @ RPM)	450 @ 11,700	approx. 460 @ 11,500	460 @ 11,650
Max torque @ RPM	300Nm @ 9500	300Nm @ 9000	310 Nm @ 9000
Engine management	Magneti Marelli	Bosch Motronic	Bosch Motronic
Engine location	Front, transverse	Front, longitudinal	Front, longitudinal
Gearbox	6-speed sequential	6-speed sequential	6-speed sequential
Wheelbase (mm)	2540	2715	2605
Fuel capacity (L)	140	120	140
Dry weight (kg)	1060	1020	1060
Power/weight ratio	2.36 kg/hp	2.22 kg/hp	2.30 kg/hp
Drivetrain	All wheel drive	Rear drive	All wheel drive
Wheels (brand/size)	OZ Racing/10x19	BBS/9.5x18	BBS/10x19
Country of origin	Italy	Germany	Germany