1991 Buick Riviera vs. 2008 Opel Vivaro
To start off, 2008 Opel Vivaro is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Buick Riviera (170 HP @ 4800 RPM) has 52 more horse power than 2008 Opel Vivaro. (118 HP @ 4750 RPM). In normal driving conditions, 1991 Buick Riviera should accelerate faster than 2008 Opel Vivaro. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vivaro weights approximately 148 kg more than 1991 Buick Riviera.
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, 1991 Buick Riviera (285 Nm @ 3200 RPM) has 95 more torque (in Nm) than 2008 Opel Vivaro. (190 Nm @ 3750 RPM). This means 1991 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vivaro. 1991 Buick Riviera has automatic transmission and 2008 Opel Vivaro has manual transmission. 2008 Opel Vivaro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Buick Riviera | 2008 Opel Vivaro | |
| Make | Buick | Opel |
| Model | Riviera | Vivaro |
| Year Released | 1991 | 2008 |
| Body Type | Coupe | Van |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 118 HP |
| Engine RPM | 4800 RPM | 4750 RPM |
| Torque | 285 Nm | 190 Nm |
| Torque RPM | 3200 RPM | 3750 RPM |
| Engine Compression Ratio | 8.5:1 | 9.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1668 kg |
| Vehicle Length | 5040 mm | 4790 mm |
| Vehicle Width | 1830 mm | 1970 mm |
| Vehicle Height | 1350 mm | 1910 mm |
| Wheelbase Size | 2760 mm | 3100 mm |
