2008 BMW Z4 vs. 1986 Rolls-Royce Silver Spirit II
To start off, 2008 BMW Z4 is newer by 22 year(s). Which means there will be less support and parts availability for 1986 Rolls-Royce Silver Spirit II. In addition, the cost of maintenance, including insurance, on 1986 Rolls-Royce Silver Spirit II would be higher. At 6,750 cc (8 cylinders), 1986 Rolls-Royce Silver Spirit II is equipped with a bigger engine. In terms of performance, 1986 Rolls-Royce Silver Spirit II (215 HP @ 4200 RPM) has 40 more horse power than 2008 BMW Z4. (175 HP @ 5800 RPM) In normal driving conditions, 1986 Rolls-Royce Silver Spirit II should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1986 Rolls-Royce Silver Spirit II weights approximately 900 kg more than 2008 BMW Z4. 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, 1986 Rolls-Royce Silver Spirit II (440 Nm @ 1450 RPM) has 210 more torque (in Nm) than 2008 BMW Z4. (230 Nm @ 3500 RPM). This means 1986 Rolls-Royce Silver Spirit II will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 1986 Rolls-Royce Silver Spirit II has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Rolls-Royce Silver Spirit II will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 1986 Rolls-Royce Silver Spirit II | |
| Make | BMW | Rolls-Royce |
| Model | Z4 | Silver Spirit II |
| Year Released | 2008 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 6750 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 175 HP | 215 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 230 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 1450 RPM |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Top Speed | 229 km/hour | 200 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 10 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 2250 kg |
| Vehicle Length | 4100 mm | 5270 mm |
| Vehicle Width | 1790 mm | 1900 mm |
| Vehicle Height | 1310 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 3060 mm |
| Fuel Consumption Overall | 8.2 L/100km | 15.2 L/100km |
| Fuel Tank Capacity | 55 L | 107 L |
