1986 BMW M6 vs. 2008 Cadillac STS
To start off, 2008 Cadillac STS is newer by 22 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 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 39 more horse power than 1986 BMW M6. (282 HP @ 6500 RPM) In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1986 BMW M6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 307 kg more than 1986 BMW M6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 92 more torque (in Nm) than 1986 BMW M6. (335 Nm @ 4500 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M6. 2008 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. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW M6 | 2008 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | M6 | STS |
| Year Released | 1986 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3453 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 321 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 335 Nm | 427 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Bore Size | 93.4 mm | 93 mm |
| Engine Stroke Size | 84 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| 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 | 1812 kg |
| Vehicle Length | 4760 mm | 4990 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2630 mm | 2960 mm |
| Fuel Tank Capacity | 70 L | 66 L |
