2007 Cadillac STS vs. 1986 Lancia Thema
To start off, 2007 Cadillac STS is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Lancia Thema. In addition, the cost of maintenance, including insurance, on 1986 Lancia Thema would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 170 more horse power than 1986 Lancia Thema. (150 HP @ 5750 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1986 Lancia Thema. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 402 kg more than 1986 Lancia Thema. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1986 Lancia Thema, 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 187 more torque (in Nm) than 1986 Lancia Thema. (240 Nm @ 2700 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1986 Lancia Thema.
Compare all specifications:
| 2007 Cadillac STS | 1986 Lancia Thema | |
| Make | Cadillac | Lancia |
| Model | STS | Thema |
| Year Released | 2007 | 1986 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2849 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 320 HP | 150 HP |
| Engine RPM | 6400 RPM | 5750 RPM |
| Torque | 427 Nm | 240 Nm |
| Torque RPM | 4400 RPM | 2700 RPM |
| Engine Bore Size | 93 mm | 91 mm |
| Engine Stroke Size | 84 mm | 73 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1566 kg | 1164 kg |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2670 mm |
