2000 BMW Z3 vs. 1991 Buick Roadmaster
To start off, 2000 BMW Z3 is newer by 9 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, 2000 BMW Z3 (229 HP @ 5900 RPM) has 52 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2000 BMW Z3 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 395 kg more than 2000 BMW Z3.
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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 93 more torque (in Nm) than 2000 BMW Z3. (300 Nm @ 3500 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2000 BMW Z3.
Compare all specifications:
| 2000 BMW Z3 | 1991 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | Z3 | Roadmaster |
| Year Released | 2000 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5731 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 229 HP | 177 HP |
| Engine RPM | 5900 RPM | 4200 RPM |
| Torque | 300 Nm | 393 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Compression Ratio | 10.2:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1445 kg | 1840 kg |
| Vehicle Length | 4030 mm | 5280 mm |
| Vehicle Width | 1750 mm | 2040 mm |
| Vehicle Height | 1310 mm | 1650 mm |
| Wheelbase Size | 2450 mm | 2950 mm |
| Fuel Tank Capacity | 51 L | 75 L |
