1999 Opel Signum vs. 1998 Toyota Sienna
To start off, 1999 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Toyota Sienna. In addition, the cost of maintenance, including insurance, on 1998 Toyota Sienna would be higher. At 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 19 more horse power than 1998 Toyota Sienna. (189 HP @ 5200 RPM). In normal driving conditions, 1999 Opel Signum should accelerate faster than 1998 Toyota Sienna. With that said, vehicle weight also plays an important factor in acceleration. 1998 Toyota Sienna weights approximately 95 kg more than 1999 Opel Signum.
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, 1999 Opel Signum (300 Nm @ 4000 RPM) has 21 more torque (in Nm) than 1998 Toyota Sienna. (279 Nm @ 4300 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1998 Toyota Sienna. 1998 Toyota Sienna has automatic transmission and 1999 Opel Signum has manual transmission. 1999 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Toyota Sienna will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Signum | 1998 Toyota Sienna | |
| Make | Opel | Toyota |
| Model | Signum | Sienna |
| Year Released | 1999 | 1998 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 2982 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 189 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 300 Nm | 279 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 87.5 mm | 87.6 mm |
| Engine Stroke Size | 88 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1610 kg | 1705 kg |
| Vehicle Length | 4640 mm | 4920 mm |
| Vehicle Width | 1800 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1720 mm |
| Wheelbase Size | 2840 mm | 2910 mm |
