1991 BMW Z1 vs. 1981 Holden Commodore
To start off, 1991 BMW Z1 is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1981 Holden Commodore would be higher. At 4,142 cc (8 cylinders), 1981 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP @ 5800 RPM) has 41 more horse power than 1981 Holden Commodore. (134 HP @ 4200 RPM). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 1981 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1981 Holden Commodore weights approximately 100 kg more than 1991 BMW Z1.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1981 Holden Commodore (270 Nm @ 2000 RPM) has 40 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 1981 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1. 1981 Holden Commodore 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. 1981 Holden Commodore will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW Z1 | 1981 Holden Commodore | |
| Make | BMW | Holden |
| Model | Z1 | Commodore |
| Year Released | 1991 | 1981 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4142 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 134 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 230 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1350 kg |
| Vehicle Length | 3960 mm | 4710 mm |
| Vehicle Width | 1810 mm | 1730 mm |
| Vehicle Height | 1280 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2670 mm |
