2006 BMW 645 vs. 1977 Cadillac Seville
To start off, 2006 BMW 645 is newer by 29 year(s). Which means there will be less support and parts availability for 1977 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1977 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1977 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 150 more horse power than 1977 Cadillac Seville. (178 HP @ 4400 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1977 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1977 Cadillac Seville weights approximately 64 kg more than 2006 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 78 more torque (in Nm) than 1977 Cadillac Seville. (372 Nm @ 2000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1977 Cadillac Seville. 1977 Cadillac Seville has automatic transmission and 2006 BMW 645 has manual transmission. 2006 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 645 | 1977 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | 645 | Seville |
| Year Released | 2006 | 1977 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5735 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 328 HP | 178 HP |
| Engine RPM | 6100 RPM | 4400 RPM |
| Torque | 450 Nm | 372 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 103 mm |
| Engine Stroke Size | 83 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1836 kg | 1900 kg |
| Vehicle Length | 4830 mm | 5190 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2790 mm | 2910 mm |
| Fuel Tank Capacity | 70 L | 79 L |
