1984 Alfa Romeo 33 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Alfa Romeo 33. In addition, the cost of maintenance, including insurance, on 1984 Alfa Romeo 33 would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 123 more horse power than 1984 Alfa Romeo 33. (85 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1984 Alfa Romeo 33. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 690 kg more than 1984 Alfa Romeo 33. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2005 Opel Signum (300 Nm @ 4000 RPM) has 178 more torque (in Nm) than 1984 Alfa Romeo 33. (122 Nm @ 4000 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1984 Alfa Romeo 33. 2005 Opel Signum has automatic transmission and 1984 Alfa Romeo 33 has manual transmission. 1984 Alfa Romeo 33 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Alfa Romeo 33 | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 33 | Signum |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 208 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 122 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 67.2 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 920 kg | 1610 kg |
| Vehicle Length | 4020 mm | 4640 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
