1991 Buick Riviera vs. 2004 Mazda B2500
To start off, 2004 Mazda B2500 is newer by 13 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 4,031 cc (6 cylinders), 2004 Mazda B2500 is equipped with a bigger engine. In terms of performance, 2004 Mazda B2500 (204 HP @ 5250 RPM) has 34 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2004 Mazda B2500 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda B2500 weights approximately 185 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 2004 Mazda B2500 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, 2004 Mazda B2500 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, 2004 Mazda B2500 (323 Nm @ 3000 RPM) has 38 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2004 Mazda B2500 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2004 Mazda B2500 | |
| Make | Buick | Mazda |
| Model | Riviera | B2500 |
| Year Released | 1991 | 2004 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4031 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 204 HP |
| Engine RPM | 4800 RPM | 5250 RPM |
| Torque | 285 Nm | 323 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 96.5 mm | 100 mm |
| Engine Stroke Size | 86.4 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 3 seats |
| Vehicle Weight | 1520 kg | 1705 kg |
| Vehicle Length | 5040 mm | 5010 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1350 mm | 1620 mm |
| Wheelbase Size | 2760 mm | 2990 mm |
