1991 Buick Riviera vs. 2011 Chevrolet Colorado
To start off, 2011 Chevrolet Colorado is newer by 20 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 3,800 cc (6 cylinders), 1991 Buick Riviera is equipped with a bigger engine. In terms of performance, 2011 Chevrolet Colorado (242 HP @ 5600 RPM) has 72 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2011 Chevrolet Colorado should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 415 kg more than 2011 Chevrolet Colorado.
Because 2011 Chevrolet Colorado 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, 2011 Chevrolet Colorado 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, 2011 Chevrolet Colorado (328 Nm @ 4600 RPM) has 43 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2011 Chevrolet Colorado will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2011 Chevrolet Colorado | |
| Make | Buick | Chevrolet |
| Model | Riviera | Colorado |
| Year Released | 1991 | 2011 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 242 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 285 Nm | 328 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1105 kg |
| Vehicle Length | 5040 mm | 5270 mm |
| Vehicle Width | 1830 mm | 1750 mm |
| Vehicle Height | 1350 mm | 1730 mm |
| Wheelbase Size | 2760 mm | 3210 mm |
