1989 Buick Riviera vs. 1997 Toyota Sienna
To start off, 1997 Toyota Sienna is newer by 8 year(s). Which means there will be less support and parts availability for 1989 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1989 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1989 Buick Riviera is equipped with a bigger engine. In terms of performance, 1997 Toyota Sienna (194 HP @ 5200 RPM) has 29 more horse power than 1989 Buick Riviera. (165 HP @ 4800 RPM) In normal driving conditions, 1997 Toyota Sienna should accelerate faster than 1989 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1997 Toyota Sienna weights approximately 200 kg more than 1989 Buick Riviera. 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, 1989 Buick Riviera (285 Nm @ 2000 RPM) has 1 more torque (in Nm) than 1997 Toyota Sienna. (284 Nm @ 4400 RPM). This means 1989 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1997 Toyota Sienna.
Compare all specifications:
| 1989 Buick Riviera | 1997 Toyota Sienna | |
| Make | Buick | Toyota |
| Model | Riviera | Sienna |
| Year Released | 1989 | 1997 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 165 HP | 194 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 285 Nm | 284 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Bore Size | 96.5 mm | 87.5 mm |
| Engine Stroke Size | 86.4 mm | 83 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Top Speed | 193 km/hour | 171 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 8 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1524 kg | 1724 kg |
| Vehicle Length | 5040 mm | 4920 mm |
| Vehicle Width | 1830 mm | 1870 mm |
| Wheelbase Size | 2760 mm | 2910 mm |
