1981 BMW 628 vs. 2007 Mazda CX-9
To start off, 2007 Mazda CX-9 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 3,496 cc (6 cylinders), 2007 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2007 Mazda CX-9 (263 HP @ 6250 RPM) has 82 more horse power than 1981 BMW 628. (181 HP @ 6000 RPM) In normal driving conditions, 2007 Mazda CX-9 should accelerate faster than 1981 BMW 628.
Because 2007 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 628. In wet, icy, snow, or gravel driving conditions, 2007 Mazda CX-9 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, 2007 Mazda CX-9 (338 Nm @ 4500 RPM) has 98 more torque (in Nm) than 1981 BMW 628. (240 Nm @ 4000 RPM). This means 2007 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 628. 2007 Mazda CX-9 has automatic transmission and 1981 BMW 628 has manual transmission. 1981 BMW 628 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 628 | 2007 Mazda CX-9 | |
| Make | BMW | Mazda |
| Model | 628 | CX-9 |
| Year Released | 1981 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 181 HP | 263 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 240 Nm | 338 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4760 mm | 5080 mm |
| Vehicle Width | 1730 mm | 1940 mm |
| Vehicle Height | 1370 mm | 1740 mm |
| Wheelbase Size | 2640 mm | 2880 mm |
| Fuel Tank Capacity | 70 L | 76 L |
