1971 AC 428 vs. 1990 Alfa Romeo 33
To start off, 1990 Alfa Romeo 33 is newer by 19 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 211 more horse power than 1990 Alfa Romeo 33. (87 HP @ 6000 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1990 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 405 kg more than 1990 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Alfa Romeo 33 is four wheel drive (4WD), it will have significant more traction and grip than 1971 AC 428. 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 526 more torque (in Nm) than 1990 Alfa Romeo 33. (113 Nm @ 4500 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1990 Alfa Romeo 33.
Compare all specifications:
| 1971 AC 428 | 1990 Alfa Romeo 33 | |
| Make | AC | Alfa Romeo |
| Model | 428 | 33 |
| Year Released | 1971 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 1349 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 298 HP | 87 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 639 Nm | 113 Nm |
| Torque RPM | 2800 RPM | 4500 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1025 kg |
| Vehicle Length | 4430 mm | 4210 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1310 mm | 1360 mm |
| Wheelbase Size | 2450 mm | 2480 mm |
