1996 Alfa Romeo 145 vs. 1968 Opel Diplomat

To start off, 1996 Alfa Romeo 145 is newer by 28 year(s). Which means there will be less support and parts availability for 1968 Opel Diplomat. In addition, the cost of maintenance, including insurance, on 1968 Opel Diplomat would be higher. At 5,354 cc (8 cylinders), 1968 Opel Diplomat is equipped with a bigger engine. In terms of performance, 1968 Opel Diplomat (227 HP @ 4700 RPM) has 125 more horse power than 1996 Alfa Romeo 145. (102 HP @ 6300 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 1996 Alfa Romeo 145. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 555 kg more than 1996 Alfa Romeo 145. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Let's talk about torque, 1968 Opel Diplomat (427 Nm @ 3000 RPM) has 303 more torque (in Nm) than 1996 Alfa Romeo 145. (124 Nm @ 4600 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 145.

Compare all specifications:

1996 Alfa Romeo 145 1968 Opel Diplomat
Make Alfa Romeo Opel
Model 145 Diplomat
Year Released 1996 1968
Engine Position Front Front
Engine Size 1370 cc 5354 cc
Engine Cylinders 4 cylinders 8 cylinders
Engine Type in-line V
Horse Power 102 HP 227 HP
Engine RPM 6300 RPM 4700 RPM
Torque 124 Nm 427 Nm
Torque RPM 4600 RPM 3000 RPM
Vehicle Weight 1135 kg 1690 kg
Vehicle Length 4100 mm 4960 mm
Vehicle Width 1720 mm 1910 mm
Vehicle Height 1430 mm 1450 mm
Wheelbase Size 2550 mm 2850 mm