1991 Renault 21 vs. 2010 Mazda BT-50
To start off, 2010 Mazda BT-50 is newer by 19 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 2,498 cc (4 cylinders), 2010 Mazda BT-50 is equipped with a bigger engine. In terms of performance, 2010 Mazda BT-50 (108 HP @ 3500 RPM) has 33 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2010 Mazda BT-50 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1991 Renault 21 weights approximately 65 kg more than 2010 Mazda BT-50.
Because 2010 Mazda BT-50 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Renault 21. In wet, icy, snow, or gravel driving conditions, 2010 Mazda BT-50 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, 2010 Mazda BT-50 (257 Nm @ 2000 RPM) has 128 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 2010 Mazda BT-50 will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21.
Compare all specifications:
| 1991 Renault 21 | 2010 Mazda BT-50 | |
| Make | Renault | Mazda |
| Model | 21 | BT-50 |
| Year Released | 1991 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 2498 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 108 HP |
| Engine RPM | 5000 RPM | 3500 RPM |
| Torque | 129 Nm | 257 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 93 mm |
| Engine Stroke Size | 83.5 mm | 92 mm |
| Engine Compression Ratio | 9.2:1 | 19.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 955 kg |
| Vehicle Height | 1430 mm | 1810 mm |
| Wheelbase Size | 2820 mm | 3010 mm |
