1991 Alfa Romeo SZ vs. 1975 Datsun 280Z
To start off, 1991 Alfa Romeo SZ is newer by 16 year(s). Which means there will be less support and parts availability for 1975 Datsun 280Z. In addition, the cost of maintenance, including insurance, on 1975 Datsun 280Z would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 58 more horse power than 1975 Datsun 280Z. (150 HP @ 5600 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 1975 Datsun 280Z. With that said, vehicle weight also plays an important factor in acceleration. 1975 Datsun 280Z weights approximately 44 kg more than 1991 Alfa Romeo SZ.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1991 Alfa Romeo SZ (245 Nm @ 4500 RPM) has 24 more torque (in Nm) than 1975 Datsun 280Z. (221 Nm @ 4400 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 1975 Datsun 280Z. 1975 Datsun 280Z has automatic transmission and 1991 Alfa Romeo SZ has manual transmission. 1991 Alfa Romeo SZ will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Datsun 280Z will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo SZ | 1975 Datsun 280Z | |
| Make | Alfa Romeo | Datsun |
| Model | SZ | 280Z |
| Year Released | 1991 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2753 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 208 HP | 150 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 245 Nm | 221 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 86.1 mm |
| Engine Stroke Size | 72.6 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1260 kg | 1304 kg |
| Vehicle Length | 4670 mm | 4399 mm |
| Vehicle Width | 1740 mm | 1631 mm |
| Wheelbase Size | 2520 mm | 2304 mm |
| Fuel Tank Capacity | 50 L | 60 L |
