1991 Buick Riviera vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS 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 4,376 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (469 HP @ 6400 RPM) has 299 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 40 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS will offer significantly more control. 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, 2008 Cadillac STS (595 Nm @ 3900 RPM) has 310 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2008 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 | 2008 Cadillac STS | |
Make | Buick | Cadillac |
Model | Riviera | STS |
Year Released | 1991 | 2008 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 3800 cc | 4376 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 170 HP | 469 HP |
Engine RPM | 4800 RPM | 6400 RPM |
Torque | 285 Nm | 595 Nm |
Torque RPM | 3200 RPM | 3900 RPM |
Drive Type | Front | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1520 kg | 1560 kg |
Vehicle Length | 5040 mm | 5030 mm |
Vehicle Width | 1830 mm | 1850 mm |
Vehicle Height | 1350 mm | 1480 mm |
Wheelbase Size | 2760 mm | 2960 mm |