1990 Alfa Romeo 33 vs. 1995 Caterham 21
To start off, 1995 Caterham 21 is newer by 5 year(s). Which means there will be less support and parts availability for 1990 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1990 Alfa Romeo 33 would be higher. At 1,712 cc (4 cylinders), 1990 Alfa Romeo 33 is equipped with a bigger engine. In terms of performance, 1995 Caterham 21 (138 HP @ 7000 RPM) has 11 more horse power than 1990 Alfa Romeo 33. (127 HP @ 6500 RPM) In normal driving conditions, 1995 Caterham 21 should accelerate faster than 1990 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 1990 Alfa Romeo 33 weights approximately 426 kg more than 1995 Caterham 21.
Because 1990 Alfa Romeo 33 is four wheel drive (4WD), it will have significant more traction and grip than 1995 Caterham 21. In wet, icy, snow, or gravel driving conditions, 1990 Alfa Romeo 33 will offer significantly more control. 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, 1995 Caterham 21 (156 Nm @ 5000 RPM) has 7 more torque (in Nm) than 1990 Alfa Romeo 33. (149 Nm @ 4600 RPM). This means 1995 Caterham 21 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo 33.
Compare all specifications:
| 1990 Alfa Romeo 33 | 1995 Caterham 21 | |
| Make | Alfa Romeo | Caterham |
| Model | 33 | 21 |
| Year Released | 1990 | 1995 |
| Engine Position | Front | Front |
| Engine Size | 1712 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Horse Power | 127 HP | 138 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 149 Nm | 156 Nm |
| Torque RPM | 4600 RPM | 5000 RPM |
| Engine Bore Size | 87 mm | 80 mm |
| Engine Stroke Size | 72 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 198 km/hour | 211 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1074 kg | 648 kg |
| Vehicle Length | 4080 mm | 3810 mm |
| Vehicle Width | 1620 mm | 1590 mm |
| Vehicle Height | 1380 mm | 1070 mm |
| Wheelbase Size | 2480 mm | 2260 mm |
| Fuel Tank Capacity | 50 L | 54 L |
