1966 Alfa Romeo Giulia vs. 1990 BMW Z1
To start off, 1990 BMW Z1 is newer by 24 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo Giulia would be higher. At 2,494 cc (6 cylinders), 1990 BMW Z1 is equipped with a bigger engine. In terms of performance, 1990 BMW Z1 (175 HP @ 5800 RPM) has 70 more horse power than 1966 Alfa Romeo Giulia. (105 HP @ 6200 RPM) In normal driving conditions, 1990 BMW Z1 should accelerate faster than 1966 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW Z1 weights approximately 278 kg more than 1966 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 BMW Z1 (230 Nm @ 4000 RPM) has 97 more torque (in Nm) than 1966 Alfa Romeo Giulia. (133 Nm @ 4500 RPM). This means 1990 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo Giulia.
Compare all specifications:
| 1966 Alfa Romeo Giulia | 1990 BMW Z1 | |
| Make | Alfa Romeo | BMW |
| Model | Giulia | Z1 |
| Year Released | 1966 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 175 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 133 Nm | 230 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 78 mm | 82 mm |
| Engine Stroke Size | 82 mm | 78.8 mm |
| Engine Compression Ratio | 9.2:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 972 kg | 1250 kg |
| Vehicle Length | 4130 mm | 3960 mm |
| Vehicle Width | 1670 mm | 1810 mm |
| Vehicle Height | 1250 mm | 1280 mm |
| Wheelbase Size | 2260 mm | 2450 mm |
