1998 Buick Riviera vs. 1991 Cadillac DeVille
To start off, 1998 Buick Riviera is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1991 Cadillac DeVille would be higher. At 4,130 cc (6 cylinders), 1998 Buick Riviera is equipped with a bigger engine. In terms of performance, 1991 Cadillac DeVille (129 HP @ 4200 RPM) has 4 more horse power than 1998 Buick Riviera. (125 HP @ 4000 RPM) In normal driving conditions, 1991 Cadillac DeVille should accelerate faster than 1998 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Riviera weights approximately 126 kg more than 1991 Cadillac DeVille.
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, 1998 Buick Riviera (287 Nm @ 2000 RPM) has 16 more torque (in Nm) than 1991 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 1998 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1998 Buick Riviera | 1991 Cadillac DeVille | |
| Make | Buick | Cadillac |
| Model | Riviera | DeVille |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 4087 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 125 HP | 129 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 287 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Engine Bore Size | 100.7 mm | 88.1 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1666 kg | 1540 kg |
| Vehicle Length | 5230 mm | 4960 mm |
| Vehicle Width | 2040 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2780 mm | 2820 mm |
