1966 Alfa Romeo GT vs. 1991 Alfa Romeo SZ
To start off, 1991 Alfa Romeo SZ is newer by 25 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo GT 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 115 more horse power than 1966 Alfa Romeo GT. (93 HP @ 6000 RPM) In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 1966 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo SZ weights approximately 280 kg more than 1966 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 105 more torque (in Nm) than 1966 Alfa Romeo GT. (140 Nm @ 3200 RPM). This means 1991 Alfa Romeo SZ will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo GT.
Compare all specifications:
| 1966 Alfa Romeo GT | 1991 Alfa Romeo SZ | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | GT | SZ |
| Year Released | 1966 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 2959 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 208 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 140 Nm | 245 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Bore Size | 78 mm | 93 mm |
| Engine Stroke Size | 67.5 mm | 72.6 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1260 kg |
| Vehicle Length | 4090 mm | 4670 mm |
| Vehicle Width | 1590 mm | 1740 mm |
| Vehicle Height | 1330 mm | 1320 mm |
| Wheelbase Size | 2420 mm | 2520 mm |
| Fuel Tank Capacity | 46 L | 50 L |
