1991 Buick Riviera vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 16 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, 2007 Cadillac STS (255 HP @ 6500 RPM) has 85 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1991 Buick Riviera.
Because 2007 Cadillac STS 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1991 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, 2007 Cadillac STS (342 Nm @ 3200 RPM) has 57 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
1991 Buick Riviera | 2007 Cadillac STS | |
Make | Buick | Cadillac |
Model | Riviera | STS |
Year Released | 1991 | 2007 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 3556 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Horse Power | 170 HP | 255 HP |
Engine RPM | 4800 RPM | 6500 RPM |
Torque | 285 Nm | 342 Nm |
Torque RPM | 3200 RPM | 3200 RPM |
Engine Compression Ratio | 8.5:1 | 10.2:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Front | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Length | 5040 mm | 4990 mm |
Vehicle Width | 1830 mm | 1850 mm |
Vehicle Height | 1350 mm | 1470 mm |
Wheelbase Size | 2760 mm | 2960 mm |