2005 Cadillac STS vs. 1984 Lancia Thema
To start off, 2005 Cadillac STS is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Lancia Thema. In addition, the cost of maintenance, including insurance, on 1984 Lancia Thema would be higher. At 4,565 cc (8 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (321 HP @ 6400 RPM) has 202 more horse power than 1984 Lancia Thema. (119 HP @ 5250 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 1984 Lancia Thema. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 602 kg more than 1984 Lancia Thema. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1984 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, 2005 Cadillac STS (427 Nm @ 4400 RPM) has 262 more torque (in Nm) than 1984 Lancia Thema. (165 Nm @ 3300 RPM). This means 2005 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1984 Lancia Thema. 2005 Cadillac STS has automatic transmission and 1984 Lancia Thema has manual transmission. 1984 Lancia Thema 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:
| 2005 Cadillac STS | 1984 Lancia Thema | |
| Make | Cadillac | Lancia |
| Model | STS | Thema |
| Year Released | 2005 | 1984 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 321 HP | 119 HP |
| Engine RPM | 6400 RPM | 5250 RPM |
| Torque | 427 Nm | 165 Nm |
| Torque RPM | 4400 RPM | 3300 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 84 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1817 kg | 1215 kg |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2960 mm | 2710 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 66 L | 65 L |
