1991 Buick Riviera vs. 2006 Chevrolet Express
To start off, 2006 Chevrolet Express is newer by 15 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 5,324 cc (8 cylinders), 2006 Chevrolet Express is equipped with a bigger engine. In terms of performance, 2006 Chevrolet Express (295 HP @ 5200 RPM) has 125 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2006 Chevrolet Express should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2006 Chevrolet Express weights approximately 840 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 2006 Chevrolet Express 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, 2006 Chevrolet Express 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, 2006 Chevrolet Express (454 Nm @ 4000 RPM) has 169 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2006 Chevrolet Express will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2006 Chevrolet Express | |
| Make | Buick | Chevrolet |
| Model | Riviera | Express |
| Year Released | 1991 | 2006 |
| Body Type | Coupe | Van |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 5324 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 295 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 285 Nm | 454 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Engine Compression Ratio | 8.5:1 | 10.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 2360 kg |
| Vehicle Length | 5040 mm | 5700 mm |
| Vehicle Width | 1830 mm | 2020 mm |
| Vehicle Height | 1350 mm | 2080 mm |
| Wheelbase Size | 2760 mm | 3440 mm |
