2007 BMW 645 vs. 1998 Rolls-Royce Silver Seraph
To start off, 2007 BMW 645 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Rolls-Royce Silver Seraph. In addition, the cost of maintenance, including insurance, on 1998 Rolls-Royce Silver Seraph would be higher. At 5,377 cc (12 cylinders), 1998 Rolls-Royce Silver Seraph is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 10 more horse power than 1998 Rolls-Royce Silver Seraph. (318 HP @ 5000 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 1998 Rolls-Royce Silver Seraph. With that said, vehicle weight also plays an important factor in acceleration. 1998 Rolls-Royce Silver Seraph weights approximately 485 kg more than 2007 BMW 645.
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, 1998 Rolls-Royce Silver Seraph (489 Nm @ 3900 RPM) has 39 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 1998 Rolls-Royce Silver Seraph will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645. 1998 Rolls-Royce Silver Seraph has automatic transmission and 2007 BMW 645 has manual transmission. 2007 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Rolls-Royce Silver Seraph will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW 645 | 1998 Rolls-Royce Silver Seraph | |
Make | BMW | Rolls-Royce |
Model | 645 | Silver Seraph |
Year Released | 2007 | 1998 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 5377 cc |
Engine Cylinders | 8 cylinders | 12 cylinders |
Engine Type | V | in-line |
Horse Power | 328 HP | 318 HP |
Engine RPM | 6100 RPM | 5000 RPM |
Torque | 450 Nm | 489 Nm |
Torque RPM | 3600 RPM | 3900 RPM |
Engine Bore Size | 92 mm | 85 mm |
Engine Stroke Size | 82.7 mm | 79 mm |
Engine Compression Ratio | 10.0:1 | 10.0:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Top Speed | 250 km/hour | 225 km/hour |
Acceleration 0-100mph | 6.1 seconds | 7 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1815 kg | 2300 kg |
Vehicle Length | 4830 mm | 5400 mm |
Vehicle Width | 1860 mm | 1940 mm |
Vehicle Height | 1380 mm | 1520 mm |
Wheelbase Size | 2790 mm | 3070 mm |
Fuel Tank Capacity | 70 L | 94 L |