2007 BMW Z4 vs. 1986 Buick Regal
To start off, 2007 BMW Z4 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Buick Regal. In addition, the cost of maintenance, including insurance, on 1986 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1986 Buick Regal is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 103 more horse power than 1986 Buick Regal. (235 HP @ 4400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1986 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1986 Buick Regal weights approximately 5 kg more than 2007 BMW Z4.
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, 1986 Buick Regal (448 Nm @ 2800 RPM) has 83 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 1986 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1986 Buick Regal has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1986 Buick Regal | |
| Make | BMW | Buick |
| Model | Z4 | Regal |
| Year Released | 2007 | 1986 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 235 HP |
| Engine RPM | 7900 RPM | 4400 RPM |
| Torque | 365 Nm | 448 Nm |
| Torque RPM | 4900 RPM | 2800 RPM |
| Engine Bore Size | 87 mm | 96.5 mm |
| Engine Stroke Size | 91 mm | 86.4 mm |
| Engine Compression Ratio | 11.5:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1490 kg |
| Vehicle Length | 4120 mm | 5100 mm |
| Vehicle Width | 1790 mm | 1830 mm |
| Vehicle Height | 1310 mm | 1390 mm |
| Wheelbase Size | 2500 mm | 2750 mm |
| Fuel Tank Capacity | 55 L | 68 L |
