1991 Holden Commodore vs. 1984 Westfield ZEI
To start off, 1991 Holden Commodore is newer by 7 year(s). Which means there will be less support and parts availability for 1984 Westfield ZEI. In addition, the cost of maintenance, including insurance, on 1984 Westfield ZEI would be higher. At 4,987 cc (8 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 1991 Holden Commodore (221 HP @ 4400 RPM) has 4 more horse power than 1984 Westfield ZEI. (217 HP @ 6250 RPM). In normal driving conditions, 1991 Holden Commodore should accelerate faster than 1984 Westfield ZEI. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 740 kg more than 1984 Westfield ZEI. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1991 Holden Commodore (385 Nm @ 3600 RPM) has 92 more torque (in Nm) than 1984 Westfield ZEI. (293 Nm @ 4250 RPM). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 1984 Westfield ZEI.
Compare all specifications:
| 1991 Holden Commodore | 1984 Westfield ZEI | |
| Make | Holden | Westfield |
| Model | Commodore | ZEI |
| Year Released | 1991 | 1984 |
| Engine Size | 4987 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 221 HP | 217 HP |
| Engine RPM | 4400 RPM | 6250 RPM |
| Torque | 385 Nm | 293 Nm |
| Torque RPM | 3600 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1465 kg | 725 kg |
| Vehicle Length | 4900 mm | 3550 mm |
| Vehicle Width | 1820 mm | 1570 mm |
| Vehicle Height | 1410 mm | 1060 mm |
| Wheelbase Size | 2740 mm | 2340 mm |
