1977 BMW 520 vs. 2009 Mazda CX-7
To start off, 2009 Mazda CX-7 is newer by 32 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 2,258 cc (4 cylinders), 2009 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-7 (244 HP @ 5000 RPM) has 124 more horse power than 1977 BMW 520. (120 HP @ 6000 RPM) In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 130 kg more than 2009 Mazda CX-7.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 520. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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, 2009 Mazda CX-7 (350 Nm @ 2500 RPM) has 190 more torque (in Nm) than 1977 BMW 520. (160 Nm @ 4000 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2009 Mazda CX-7 has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
1977 BMW 520 | 2009 Mazda CX-7 | |
Make | BMW | Mazda |
Model | 520 | CX-7 |
Year Released | 1977 | 2009 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 1990 cc | 2258 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 120 HP | 244 HP |
Engine RPM | 6000 RPM | 5000 RPM |
Torque | 160 Nm | 350 Nm |
Torque RPM | 4000 RPM | 2500 RPM |
Engine Compression Ratio | 9.2:1 | 8.4:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1310 kg | 1180 kg |
Vehicle Length | 4630 mm | 4680 mm |
Vehicle Width | 1700 mm | 1880 mm |
Vehicle Height | 1430 mm | 1650 mm |
Wheelbase Size | 2640 mm | 2760 mm |
Fuel Tank Capacity | 70 L | 69 L |