2007 Cadillac STS vs. 1991 Chevrolet Lumina
To start off, 2007 Cadillac STS is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Chevrolet Lumina. In addition, the cost of maintenance, including insurance, on 1991 Chevrolet Lumina 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 212 more horse power than 1991 Chevrolet Lumina. (108 HP @ 5200 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1991 Chevrolet Lumina. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 186 kg more than 1991 Chevrolet Lumina. 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, 1991 Chevrolet Lumina, 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 244 more torque (in Nm) than 1991 Chevrolet Lumina. (183 Nm @ 3200 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1991 Chevrolet Lumina.
Compare all specifications:
| 2007 Cadillac STS | 1991 Chevrolet Lumina | |
| Make | Cadillac | Chevrolet |
| Model | STS | Lumina |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2472 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 108 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 183 Nm |
| Torque RPM | 4400 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 101.6 mm |
| Engine Stroke Size | 84 mm | 76.2 mm |
| 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 | 1380 kg |
| Vehicle Length | 4990 mm | 5040 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2960 mm | 2740 mm |
| Fuel Tank Capacity | 64 L | 42 L |
