1974 Buick Riviera vs. 1989 Ford Sierra
To start off, 1989 Ford Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1974 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1974 Buick Riviera would be higher. At 7,468 cc (6 cylinders), 1974 Buick Riviera is equipped with a bigger engine. In terms of performance, 1974 Buick Riviera (250 HP @ 4000 RPM) has 125 more horse power than 1989 Ford Sierra. (125 HP @ 5600 RPM). In normal driving conditions, 1974 Buick Riviera should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1974 Buick Riviera weights approximately 912 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1974 Buick Riviera (518 Nm @ 2800 RPM) has 344 more torque (in Nm) than 1989 Ford Sierra. (174 Nm @ 2500 RPM). This means 1974 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra. 1974 Buick Riviera has automatic transmission and 1989 Ford Sierra has manual transmission. 1989 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1974 Buick Riviera will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1974 Buick Riviera | 1989 Ford Sierra | |
| Make | Buick | Ford |
| Model | Riviera | Sierra |
| Year Released | 1974 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 125 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 518 Nm | 174 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 2040 kg | 1128 kg |
| Vehicle Length | 5560 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1380 mm |
| Wheelbase Size | 3110 mm | 2530 mm |
| Fuel Tank Capacity | 95 L | 60 L |
