1991 Buick Riviera vs. 2005 Mazda B4000
To start off, 2005 Mazda B4000 is newer by 14 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), 2005 Mazda B4000 is equipped with a bigger engine. In terms of performance, 2005 Mazda B4000 (207 HP @ 4000 RPM) has 37 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2005 Mazda B4000 should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Riviera weights approximately 490 kg more than 2005 Mazda B4000.
Because 2005 Mazda B4000 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, 2005 Mazda B4000 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, 2005 Mazda B4000 (323 Nm) has 38 more torque (in Nm) than 1991 Buick Riviera. (285 Nm). This means 2005 Mazda B4000 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2005 Mazda B4000 | |
| Make | Buick | Mazda |
| Model | Riviera | B4000 |
| Year Released | 1991 | 2005 |
| 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 | 207 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 285 Nm | 323 Nm |
| Engine Bore Size | 96.5 mm | 100.1 mm |
| Engine Stroke Size | 86.4 mm | 85 mm |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1030 kg |
| Vehicle Length | 5040 mm | 5160 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1350 mm | 1720 mm |
| Wheelbase Size | 2760 mm | 3200 mm |
