1985 BMW M5 vs. 1978 Cadillac Seville
To start off, 1985 BMW M5 is newer by 7 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, 1985 BMW M5 (256 HP @ 4800 RPM) has 133 more horse power than 1978 Cadillac Seville. (123 HP @ 3600 RPM). In normal driving conditions, 1985 BMW M5 should accelerate faster than 1978 Cadillac Seville. With that said, vehicle weight also plays an important factor in acceleration. 1978 Cadillac Seville weights approximately 390 kg more than 1985 BMW M5.
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, 1978 Cadillac Seville (304 Nm @ 1600 RPM) has 14 more torque (in Nm) than 1985 BMW M5. (290 Nm @ 4500 RPM). This means 1978 Cadillac Seville will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW M5. 1978 Cadillac Seville has automatic transmission and 1985 BMW M5 has manual transmission. 1985 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Cadillac Seville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 BMW M5 | 1978 Cadillac Seville | |
| Make | BMW | Cadillac |
| Model | M5 | Seville |
| Year Released | 1985 | 1978 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 256 HP | 123 HP |
| Engine RPM | 4800 RPM | 3600 RPM |
| Torque | 290 Nm | 304 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Engine Bore Size | 91.9 mm | 103 mm |
| Engine Stroke Size | 86.1 mm | 86 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1890 kg |
| Vehicle Length | 4630 mm | 5190 mm |
| Vehicle Width | 1710 mm | 1830 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2910 mm |
| Fuel Tank Capacity | 70 L | 79 L |
