1991 BMW M12 vs. 2003 Rolls-Royce Phantom
To start off, 2003 Rolls-Royce Phantom is newer by 12 year(s). Which means there will be less support and parts availability for 1991 BMW M12. In addition, the cost of maintenance, including insurance, on 1991 BMW M12 would be higher. At 6,749 cc (12 cylinders), 2003 Rolls-Royce Phantom is equipped with a bigger engine. In terms of performance, 2003 Rolls-Royce Phantom (454 HP @ 5350 RPM) has 158 more horse power than 1991 BMW M12. (296 HP @ 5200 RPM) In normal driving conditions, 2003 Rolls-Royce Phantom should accelerate faster than 1991 BMW M12.
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, 2003 Rolls-Royce Phantom (721 Nm @ 3500 RPM) has 271 more torque (in Nm) than 1991 BMW M12. (450 Nm @ 4100 RPM). This means 2003 Rolls-Royce Phantom will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW M12. 2003 Rolls-Royce Phantom has automatic transmission and 1991 BMW M12 has manual transmission. 1991 BMW M12 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Rolls-Royce Phantom will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW M12 | 2003 Rolls-Royce Phantom | |
| Make | BMW | Rolls-Royce |
| Model | M12 | Phantom |
| Year Released | 1991 | 2003 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4988 cc | 6749 cc |
| Engine Cylinders | 12 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 296 HP | 454 HP |
| Engine RPM | 5200 RPM | 5350 RPM |
| Torque | 450 Nm | 721 Nm |
| Torque RPM | 4100 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 75 mm | 84.6 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4370 mm | 6090 mm |
| Vehicle Width | 2000 mm | 2000 mm |
| Vehicle Height | 1110 mm | 1640 mm |
| Wheelbase Size | 2610 mm | 3580 mm |
