2007 BMW Z4 vs. 1990 Pontiac Grand Am
To start off, 2007 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1990 Pontiac Grand Am would be higher. At 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 5 more horse power than 1990 Pontiac Grand Am. (163 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1990 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 90 kg more than 1990 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 1990 Pontiac Grand Am, 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, 1990 Pontiac Grand Am (237 Nm @ 4000 RPM) has 27 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 1990 Pontiac Grand Am will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1990 Pontiac Grand Am 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. 1990 Pontiac Grand Am will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1990 Pontiac Grand Am | |
| Make | BMW | Pontiac |
| Model | Z4 | Grand Am |
| Year Released | 2007 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1996 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 163 HP |
| Engine RPM | 6250 RPM | 5600 RPM |
| Torque | 210 Nm | 237 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 72 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1325 kg | 1235 kg |
| Vehicle Length | 4100 mm | 4520 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1310 mm | 1340 mm |
| Wheelbase Size | 2500 mm | 2630 mm |
| Fuel Tank Capacity | 55 L | 69 L |
