1999 BMW Z9 vs. 1985 Ford Sierra
To start off, 1999 BMW Z9 is newer by 14 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 94 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 425 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 340 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1999 BMW Z9 | 1985 Ford Sierra | |
| Make | BMW | Ford |
| Model | Z9 | Sierra |
| Year Released | 1999 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2790 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 242 HP | 148 HP |
| Engine RPM | 7400 RPM | 5700 RPM |
| Torque | 560 Nm | 220 Nm |
| Torque RPM | 1750 RPM | 3800 RPM |
| Vehicle Weight | 1630 kg | 1205 kg |
| Vehicle Length | 5010 mm | 4400 mm |
| Vehicle Width | 1980 mm | 1680 mm |
| Vehicle Height | 1350 mm | 1370 mm |
| Wheelbase Size | 3060 mm | 2620 mm |
