2006 BMW Z4 vs. 1993 Buick Roadmaster
To start off, 2006 BMW Z4 is newer by 13 year(s). Which means there will be less support and parts availability for 1993 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1993 Buick Roadmaster would be higher. At 5,733 cc (8 cylinders), 1993 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1993 Buick Roadmaster (256 HP @ 5000 RPM) has 67 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1993 Buick Roadmaster should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1993 Buick Roadmaster weights approximately 519 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1993 Buick Roadmaster (447 Nm @ 3200 RPM) has 202 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1993 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 1993 Buick Roadmaster has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1993 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1993 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | Z4 | Roadmaster |
| Year Released | 2006 | 1993 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 5733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 189 HP | 256 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 245 Nm | 447 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1854 kg |
| Vehicle Length | 4100 mm | 5490 mm |
| Vehicle Width | 1790 mm | 1990 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2500 mm | 2950 mm |
