2004 BMW Z4 vs. 1991 Buick Reatta
To start off, 2004 BMW Z4 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Buick Reatta. In addition, the cost of maintenance, including insurance, on 1991 Buick Reatta would be higher. At 3,791 cc (6 cylinders), 1991 Buick Reatta is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (185 HP @ 6000 RPM) has 20 more horse power than 1991 Buick Reatta. (165 HP @ 4400 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 1991 Buick Reatta. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Reatta weights approximately 236 kg more than 2004 BMW Z4.
Because 2004 BMW Z4 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 2004 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1991 Buick Reatta, 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, 1991 Buick Reatta (286 Nm) has 41 more torque (in Nm) than 2004 BMW Z4. (245 Nm). This means 1991 Buick Reatta will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4. 1991 Buick Reatta has automatic transmission and 2004 BMW Z4 has manual transmission. 2004 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Reatta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW Z4 | 1991 Buick Reatta | |
| Make | BMW | Buick |
| Model | Z4 | Reatta |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 185 HP | 165 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 245 Nm | 286 Nm |
| Engine Bore Size | 84 mm | 96.5 mm |
| Engine Stroke Size | 75 mm | 86.4 mm |
| Top Speed | 235 km/hour | 200 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1296 kg | 1532 kg |
| Vehicle Length | 4100 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1310 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
| Fuel Tank Capacity | 55 L | 62 L |
