1975 Alfa Romeo Alfetta vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfetta would be higher. At 2,171 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (124 HP @ 3250 RPM) has 16 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 530 kg more than 1975 Alfa Romeo Alfetta. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Alfa Romeo Alfetta is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Alfa Romeo Alfetta. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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 (280 Nm @ 1500 RPM) has 138 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta. 2005 Opel Signum has automatic transmission and 1975 Alfa Romeo Alfetta has manual transmission. 1975 Alfa Romeo Alfetta 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:
1975 Alfa Romeo Alfetta | 2005 Opel Signum | |
Make | Alfa Romeo | Opel |
Model | Alfetta | Signum |
Year Released | 1975 | 2005 |
Engine Position | Front | Front |
Engine Size | 1570 cc | 2171 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 108 HP | 124 HP |
Engine RPM | 5600 RPM | 3250 RPM |
Torque | 142 Nm | 280 Nm |
Torque RPM | 4300 RPM | 1500 RPM |
Engine Bore Size | 78 mm | 84 mm |
Engine Stroke Size | 82 mm | 98 mm |
Engine Compression Ratio | 9.0:1 | 18.5:1 |
Top Speed | 175 km/hour | 201 km/hour |
Drive Type | Rear | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1080 kg | 1610 kg |
Vehicle Length | 4290 mm | 4640 mm |
Vehicle Width | 1620 mm | 1800 mm |
Vehicle Height | 1440 mm | 1470 mm |
Wheelbase Size | 2520 mm | 2710 mm |
Fuel Tank Capacity | 49 L | 60 L |