1991 BMW Z1 vs. 2004 Buick Rainier
To start off, 2004 Buick Rainier is newer by 13 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 4,194 cc (6 cylinders), 2004 Buick Rainier is equipped with a bigger engine. In terms of performance, 2004 Buick Rainier (271 HP @ 6000 RPM) has 96 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2004 Buick Rainier should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 845 kg more than 1991 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2004 Buick Rainier will offer significantly more control. 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, 2004 Buick Rainier (373 Nm @ 3600 RPM) has 143 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2004 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1. 2004 Buick Rainier has automatic transmission and 1991 BMW Z1 has manual transmission. 1991 BMW Z1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW Z1 | 2004 Buick Rainier | |
| Make | BMW | Buick |
| Model | Z1 | Rainier |
| Year Released | 1991 | 2004 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4194 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 271 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 373 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 2095 kg |
| Vehicle Length | 3960 mm | 4920 mm |
| Vehicle Width | 1810 mm | 1920 mm |
| Vehicle Height | 1280 mm | 1900 mm |
| Wheelbase Size | 2450 mm | 2800 mm |
