2005 BMW X5 vs. 1978 Cadillac Seville
To start off, 2005 BMW X5 is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Cadillac Seville. In addition, the cost of maintenance, including insurance, on 1978 Cadillac Seville would be higher. At 5,735 cc (8 cylinders), 1978 Cadillac Seville is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (229 HP @ 5900 RPM) has 106 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 180 kg more than 1978 Cadillac Seville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Cadillac Seville. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 4 more torque (in Nm) than 2005 BMW X5. (300 Nm @ 3500 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 1978 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | X5 | Seville |
| Year Released | 2005 | 1978 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 229 HP | 123 HP |
| Engine RPM | 5900 RPM | 3600 RPM |
| Torque | 300 Nm | 304 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84 mm | 103 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2070 kg | 1890 kg |
| Vehicle Length | 4670 mm | 5190 mm |
| Vehicle Width | 1880 mm | 1830 mm |
| Vehicle Height | 1770 mm | 1400 mm |
| Wheelbase Size | 2730 mm | 2910 mm |
| Fuel Tank Capacity | 93 L | 79 L |
