1991 Buick Roadmaster vs. 2007 Cadillac DTS
To start off, 2007 Cadillac DTS is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2007 Cadillac DTS (276 HP @ 6000 RPM) has 99 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2007 Cadillac DTS should accelerate faster than 1991 Buick Roadmaster.
Because 1991 Buick Roadmaster 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 1991 Buick Roadmaster. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac DTS, 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 DTS (400 Nm @ 4400 RPM) has 7 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2007 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 1991 Buick Roadmaster | 2007 Cadillac DTS | |
| Make | Buick | Cadillac |
| Model | Roadmaster | DTS |
| Year Released | 1991 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 276 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 393 Nm | 400 Nm |
| Torque RPM | 2400 RPM | 4400 RPM |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5280 mm | 5280 mm |
| Vehicle Width | 2040 mm | 1910 mm |
| Vehicle Height | 1650 mm | 1470 mm |
| Wheelbase Size | 2950 mm | 2940 mm |
| Fuel Tank Capacity | 75 L | 68 L |
