2007 Acura RDX vs. 1990 Mazda 626
To start off, 2007 Acura RDX is newer by 17 year(s). Which means there will be less support and parts availability for 1990 Mazda 626. In addition, the cost of maintenance, including insurance, on 1990 Mazda 626 would be higher. At 2,299 cc (4 cylinders), 2007 Acura RDX is equipped with a bigger engine. In terms of performance, 2007 Acura RDX (240 HP @ 6000 RPM) has 124 more horse power than 1990 Mazda 626. (116 HP @ 5000 RPM). In normal driving conditions, 2007 Acura RDX should accelerate faster than 1990 Mazda 626.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2007 Acura RDX (353 Nm @ 4500 RPM) has 169 more torque (in Nm) than 1990 Mazda 626. (184 Nm @ 4000 RPM). This means 2007 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1990 Mazda 626. 2007 Acura RDX has automatic transmission and 1990 Mazda 626 has manual transmission. 1990 Mazda 626 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Acura RDX | 1990 Mazda 626 | |
| Make | Acura | Mazda |
| Model | RDX | 626 |
| Year Released | 2007 | 1990 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 2184 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 116 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 353 Nm | 184 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 86.4 mm | 86.1 mm |
| Engine Stroke Size | 99.1 mm | 94 mm |
| Engine Compression Ratio | 8.8:1 | 8.6:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4600 mm | 4520 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1660 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
