1990 Buick LeSabre vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1990 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1990 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 88 more horse power than 1990 Buick LeSabre. (165 HP @ 4800 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1990 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 306 kg more than 1990 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1990 Buick LeSabre, 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 57 more torque (in Nm) than 1990 Buick LeSabre. (285 Nm @ 2000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1990 Buick LeSabre.
Compare all specifications:
| 1990 Buick LeSabre | 2006 Cadillac STS | |
| Make | Buick | Cadillac |
| Model | LeSabre | STS |
| Year Released | 1990 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3563 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 165 HP | 253 HP |
| Engine RPM | 4800 RPM | 6500 RPM |
| Torque | 285 Nm | 342 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 96.5 mm | 94 mm |
| Engine Stroke Size | 86.4 mm | 85.6 mm |
| Engine Compression Ratio | 8.5:1 | 10.2:1 |
| Top Speed | 195 km/hour | 229 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1476 kg | 1782 kg |
| Vehicle Length | 5010 mm | 4990 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2820 mm | 2960 mm |
| Fuel Tank Capacity | 68 L | 66 L |
