1991 BMW Z1 vs. 2007 Chevrolet Silverado
To start off, 2007 Chevrolet Silverado is newer by 16 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 5,999 cc (8 cylinders), 2007 Chevrolet Silverado is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Silverado (312 HP @ 4400 RPM) has 137 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2007 Chevrolet Silverado should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Silverado weights approximately 1624 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 2007 Chevrolet Silverado 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, 2007 Chevrolet Silverado 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, 2007 Chevrolet Silverado (506 Nm @ 4400 RPM) has 276 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2007 Chevrolet Silverado will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1. 2007 Chevrolet Silverado 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. 2007 Chevrolet Silverado will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW Z1 | 2007 Chevrolet Silverado | |
| Make | BMW | Chevrolet |
| Model | Z1 | Silverado |
| Year Released | 1991 | 2007 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 175 HP | 312 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 230 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 102 mm |
| Engine Stroke Size | 78.8 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 2874 kg |
| Vehicle Length | 3960 mm | 6340 mm |
| Vehicle Width | 1810 mm | 2440 mm |
| Vehicle Height | 1280 mm | 1940 mm |
| Wheelbase Size | 2450 mm | 4010 mm |
