1999 Buick Century vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Buick Century. In addition, the cost of maintenance, including insurance, on 1999 Buick Century would be higher. At 3,173 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (208 HP @ 6200 RPM) has 43 more horse power than 1999 Buick Century. (165 HP @ 5200 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 1999 Buick Century. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 90 kg more than 1999 Buick Century. 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, 2001 Opel Signum (300 Nm @ 4000 RPM) has 49 more torque (in Nm) than 1999 Buick Century. (251 Nm @ 4000 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Century. 1999 Buick Century has automatic transmission and 2001 Opel Signum has manual transmission. 2001 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Century will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Century | 2001 Opel Signum | |
| Make | Buick | Opel |
| Model | Century | Signum |
| Year Released | 1999 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3134 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 165 HP | 208 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 251 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 87.5 mm |
| Engine Stroke Size | 84 mm | 88 mm |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1610 kg |
| Vehicle Length | 4950 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2640 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
