2005 Alfa Romeo 156 vs. 1998 Buick Signia
To start off, 2005 Alfa Romeo 156 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 Buick Signia. In addition, the cost of maintenance, including insurance, on 1998 Buick Signia would be higher. At 3,800 cc (6 cylinders), 1998 Buick Signia is equipped with a bigger engine. In terms of performance, 1998 Buick Signia (238 HP @ 5200 RPM) has 90 more horse power than 2005 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 1998 Buick Signia should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Signia weights approximately 402 kg more than 2005 Alfa Romeo 156. 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, 1998 Buick Signia (387 Nm @ 3600 RPM) has 206 more torque (in Nm) than 2005 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 1998 Buick Signia will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 1998 Buick Signia has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Signia will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 1998 Buick Signia | |
| Make | Alfa Romeo | Buick |
| Model | 156 | Signia |
| Year Released | 2005 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 238 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 181 Nm | 387 Nm |
| Torque RPM | 3800 RPM | 3600 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1338 kg | 1740 kg |
| Vehicle Length | 4450 mm | 4710 mm |
| Vehicle Width | 1750 mm | 1890 mm |
| Vehicle Height | 1440 mm | 1550 mm |
| Wheelbase Size | 2600 mm | 2860 mm |
