2006 BMW Z4 vs. 1989 Pontiac Bonneville
To start off, 2006 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1989 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1989 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1989 Pontiac Bonneville weights approximately 174 kg more than 2006 BMW Z4.
Because 2006 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 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Bonneville, 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, 1989 Pontiac Bonneville (271 Nm @ 2000 RPM) has 71 more torque (in Nm) than 2006 BMW Z4. (200 Nm @ 3600 RPM). This means 1989 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 1989 Pontiac Bonneville 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. 1989 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 1989 Pontiac Bonneville | |
| Make | BMW | Pontiac |
| Model | Z4 | Bonneville |
| Year Released | 2006 | 1989 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 200 Nm | 271 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 96.6 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1326 kg | 1500 kg |
| Vehicle Length | 4100 mm | 5060 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2820 mm |
| Fuel Tank Capacity | 55 L | 68 L |
