1986 BMW M6 vs. 2005 Cadillac STS
To start off, 2005 Cadillac STS is newer by 19 year(s). Which means there will be less support and parts availability for 1986 BMW M6. In addition, the cost of maintenance, including insurance, on 1986 BMW M6 would be higher. At 3,562 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 1986 BMW M6 (282 HP @ 6500 RPM) has 30 more horse power than 2005 Cadillac STS. (252 HP @ 6500 RPM). In normal driving conditions, 1986 BMW M6 should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 285 kg more than 1986 BMW M6.
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, 2005 Cadillac STS (342 Nm @ 3200 RPM) has 7 more torque (in Nm) than 1986 BMW M6. (335 Nm @ 4500 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M6. 2005 Cadillac STS has automatic transmission and 1986 BMW M6 has manual transmission. 1986 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW M6 | 2005 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | M6 | STS |
| Year Released | 1986 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 3562 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 252 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 335 Nm | 342 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 93.4 mm | 94 mm |
| Engine Stroke Size | 84 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 | 1505 kg | 1790 kg |
| Vehicle Length | 4760 mm | 4990 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2690 mm |
| Fuel Tank Capacity | 70 L | 95 L |
