1985 BMW M5 vs. 1991 Cadillac DeVille
To start off, 1991 Cadillac DeVille is newer by 6 year(s). Which means there will be less support and parts availability for 1985 BMW M5. In addition, the cost of maintenance, including insurance, on 1985 BMW M5 would be higher. At 4,087 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 1985 BMW M5 (256 HP @ 4800 RPM) has 127 more horse power than 1991 Cadillac DeVille. (129 HP @ 4200 RPM). In normal driving conditions, 1985 BMW M5 should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1991 Cadillac DeVille weights approximately 40 kg more than 1985 BMW M5.
Because 1985 BMW M5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1985 BMW M5. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac DeVille, being front wheel drive (FWD), will offer much better control with better grip. 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, 1985 BMW M5 (290 Nm @ 4500 RPM) has 19 more torque (in Nm) than 1991 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 1985 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille. 1991 Cadillac DeVille 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. 1991 Cadillac DeVille will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 BMW M5 | 1991 Cadillac DeVille | |
| Make | BMW | Cadillac |
| Model | M5 | DeVille |
| Year Released | 1985 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 4087 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 256 HP | 129 HP |
| Engine RPM | 4800 RPM | 4200 RPM |
| Torque | 290 Nm | 271 Nm |
| Torque RPM | 4500 RPM | 2200 RPM |
| Engine Bore Size | 91.9 mm | 88.1 mm |
| Engine Stroke Size | 86.1 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1500 kg | 1540 kg |
| Vehicle Length | 4630 mm | 4960 mm |
| Vehicle Width | 1710 mm | 1830 mm |
| Vehicle Height | 1410 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2820 mm |
