1991 BMW Z1 vs. 2003 Cadillac Seville
To start off, 2003 Cadillac Seville is newer by 12 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 4,565 cc (8 cylinders), 2003 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2003 Cadillac Seville (300 HP @ 6000 RPM) has 125 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2003 Cadillac Seville should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2003 Cadillac Seville weights approximately 556 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 1991 BMW Z1 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 1991 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2003 Cadillac Seville, 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, 2003 Cadillac Seville (407 Nm @ 4500 RPM) has 177 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 2003 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1. 2003 Cadillac Seville 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. 2003 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW Z1 | 2003 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | Z1 | Seville |
| Year Released | 1991 | 2003 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 300 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 407 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1806 kg |
| Vehicle Length | 3960 mm | 5110 mm |
| Vehicle Width | 1810 mm | 1910 mm |
| Vehicle Height | 1280 mm | 1420 mm |
| Wheelbase Size | 2450 mm | 2890 mm |
