1991 Buick Riviera vs. 2007 Cadillac SRX
To start off, 2007 Cadillac SRX is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2007 Cadillac SRX (320 HP @ 6400 RPM) has 150 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2007 Cadillac SRX should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 436 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac SRX will offer significantly more control. 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 SRX (427 Nm @ 4400 RPM) has 142 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2007 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2007 Cadillac SRX | |
| Make | Buick | Cadillac |
| Model | Riviera | SRX |
| Year Released | 1991 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 320 HP |
| Engine RPM | 4800 RPM | 6400 RPM |
| Torque | 285 Nm | 427 Nm |
| Torque RPM | 3200 RPM | 4400 RPM |
| Engine Bore Size | 96.5 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1956 kg |
| Vehicle Length | 5040 mm | 4960 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1730 mm |
| Wheelbase Size | 2760 mm | 2960 mm |
