1997 Buick Riviera vs. 2005 Opel Zafira
To start off, 2005 Opel Zafira is newer by 8 year(s). Which means there will be less support and parts availability for 1997 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1997 Buick Riviera would be higher. At 3,790 cc (6 cylinders), 1997 Buick Riviera is equipped with a bigger engine. In terms of performance, 1997 Buick Riviera (180 HP @ 4000 RPM) has 81 more horse power than 2005 Opel Zafira. (99 HP @ 6000 RPM). In normal driving conditions, 1997 Buick Riviera should accelerate faster than 2005 Opel Zafira. With that said, vehicle weight also plays an important factor in acceleration. 1997 Buick Riviera weights approximately 288 kg more than 2005 Opel Zafira. 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, 1997 Buick Riviera (364 Nm @ 2400 RPM) has 214 more torque (in Nm) than 2005 Opel Zafira. (150 Nm @ 3600 RPM). This means 1997 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Zafira. 1997 Buick Riviera has automatic transmission and 2005 Opel Zafira has manual transmission. 2005 Opel Zafira will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1997 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1997 Buick Riviera | 2005 Opel Zafira | |
| Make | Buick | Opel |
| Model | Riviera | Zafira |
| Year Released | 1997 | 2005 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3790 cc | 1598 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 99 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 364 Nm | 150 Nm |
| Torque RPM | 2400 RPM | 3600 RPM |
| Engine Bore Size | 96.5 mm | 79 mm |
| Engine Stroke Size | 86.4 mm | 81.5 mm |
| Engine Compression Ratio | 8.0:1 | 10.5:1 |
| Top Speed | 188 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1681 kg | 1393 kg |
| Vehicle Length | 5230 mm | 4320 mm |
| Vehicle Width | 2040 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1640 mm |
| Wheelbase Size | 2900 mm | 2740 mm |
| Fuel Tank Capacity | 88 L | 58 L |
