1999 BMW Z9 vs. 1991 Buick Roadmaster
To start off, 1999 BMW Z9 is newer by 8 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, 1999 BMW Z9 (242 HP @ 7400 RPM) has 65 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 210 kg more than 1999 BMW Z9.
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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 167 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
1999 BMW Z9 | 1991 Buick Roadmaster | |
Make | BMW | Buick |
Model | Z9 | Roadmaster |
Year Released | 1999 | 1991 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 4397 cc | 5731 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 242 HP | 177 HP |
Engine RPM | 7400 RPM | 4200 RPM |
Torque | 560 Nm | 393 Nm |
Torque RPM | 1750 RPM | 2400 RPM |
Engine Compression Ratio | 18.0:1 | 8.0:1 |
Drive Type | Rear | Rear |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1630 kg | 1840 kg |
Vehicle Length | 5010 mm | 5280 mm |
Vehicle Width | 1980 mm | 2040 mm |
Vehicle Height | 1350 mm | 1650 mm |
Wheelbase Size | 3060 mm | 2950 mm |