1992 Buick Roadmaster vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 15 year(s). Which means there will be less support and parts availability for 1992 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1992 Buick Roadmaster would be higher. At 5,733 cc (8 cylinders), 1992 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 143 more horse power than 1992 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1992 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1992 Buick Roadmaster weights approximately 202 kg more than 2007 Cadillac STS.
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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 33 more torque (in Nm) than 1992 Buick Roadmaster. (394 Nm @ 2400 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1992 Buick Roadmaster.
Compare all specifications:
| 1992 Buick Roadmaster | 2007 Cadillac STS | |
| Make | Buick | Cadillac |
| Model | Roadmaster | STS |
| Year Released | 1992 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 320 HP |
| Engine RPM | 4200 RPM | 6400 RPM |
| Torque | 394 Nm | 427 Nm |
| Torque RPM | 2400 RPM | 4400 RPM |
| Engine Bore Size | 101.6 mm | 93 mm |
| Engine Stroke Size | 88.4 mm | 84 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1638 kg |
| Vehicle Length | 5490 mm | 4990 mm |
| Vehicle Width | 1990 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2960 mm |
| Fuel Tank Capacity | 87 L | 64 L |
