1999 Buick Riviera vs. 1987 Ford Sierra
To start off, 1999 Buick Riviera is newer by 12 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,791 cc (6 cylinders), 1999 Buick Riviera is equipped with a bigger engine. In terms of performance, 1999 Buick Riviera (205 HP @ 5200 RPM) has 101 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM). In normal driving conditions, 1999 Buick Riviera should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Riviera weights approximately 645 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1987 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 1999 Buick Riviera, being front wheel drive (FWD), will offer much better control with better grip. 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 Buick Riviera (312 Nm @ 4000 RPM) has 152 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 1999 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 1999 Buick Riviera has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Riviera | 1987 Ford Sierra | |
| Make | Buick | Ford |
| Model | Riviera | Sierra |
| Year Released | 1999 | 1987 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 205 HP | 104 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 312 Nm | 160 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 90.8 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Engine Compression Ratio | 9.4:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1700 kg | 1055 kg |
| Vehicle Length | 5270 mm | 4500 mm |
| Vehicle Width | 1910 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1400 mm |
