2007 BMW X3 vs. 1991 Mazda RX-7
To start off, 2007 BMW X3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1991 Mazda RX-7 would be higher. At 2,992 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 18 more horse power than 1991 Mazda RX-7. (197 HP @ 6500 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 1991 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 465 kg more than 1991 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2007 BMW X3 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 BMW X3 (480 Nm @ 1750 RPM) has 209 more torque (in Nm) than 1991 Mazda RX-7. (271 Nm @ 3500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda RX-7. 2007 BMW X3 has automatic transmission and 1991 Mazda RX-7 has manual transmission. 1991 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X3 | 1991 Mazda RX-7 | |
| Make | BMW | Mazda |
| Model | X3 | RX-7 |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 215 HP | 197 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 480 Nm | 271 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1300 kg |
| Vehicle Length | 4570 mm | 4320 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Vehicle Height | 1860 mm | 1270 mm |
| Wheelbase Size | 2800 mm | 2440 mm |
| Fuel Tank Capacity | 67 L | 75 L |
