1987 Alfa Romeo 164 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Alfa Romeo 164. In addition, the cost of maintenance, including insurance, on 1987 Alfa Romeo 164 would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, both vehicles can yield 175 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 420 kg more than 1987 Alfa Romeo 164.
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 (370 Nm @ 1900 RPM) has 105 more torque (in Nm) than 1987 Alfa Romeo 164. (265 Nm @ 2500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Alfa Romeo 164. 2005 Opel Signum has automatic transmission and 1987 Alfa Romeo 164 has manual transmission. 1987 Alfa Romeo 164 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:
| 1987 Alfa Romeo 164 | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 164 | Signum |
| Year Released | 1987 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque | 265 Nm | 370 Nm |
| Torque RPM | 2500 RPM | 1900 RPM |
| Engine Compression Ratio | 8.0:1 | 18.5:1 |
| Acceleration 0-100mph | 7.2 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1670 kg |
| Vehicle Length | 4650 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 60 L |
