1971 AC 428 vs. 2009 Mazda CX-9
To start off, 2009 Mazda CX-9 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 25 more horse power than 2009 Mazda CX-9. (273 HP @ 6250 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 2009 Mazda CX-9. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 239 kg more than 2009 Mazda CX-9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 1971 AC 428. In wet, icy, snow, or gravel driving conditions, 2009 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, 1971 AC 428 (639 Nm @ 2800 RPM) has 273 more torque (in Nm) than 2009 Mazda CX-9. (366 Nm @ 4500 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda CX-9. 2009 Mazda CX-9 has automatic transmission and 1971 AC 428 has manual transmission. 1971 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
1971 AC 428 | 2009 Mazda CX-9 | |
Make | AC | Mazda |
Model | 428 | CX-9 |
Year Released | 1971 | 2009 |
Engine Position | Front | Front |
Engine Size | 7003 cc | 3724 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 298 HP | 273 HP |
Engine RPM | 4600 RPM | 6250 RPM |
Torque | 639 Nm | 366 Nm |
Torque RPM | 2800 RPM | 4500 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 7 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1430 kg | 1191 kg |
Vehicle Length | 4430 mm | 5080 mm |
Vehicle Width | 1710 mm | 1940 mm |
Vehicle Height | 1310 mm | 1730 mm |
Wheelbase Size | 2450 mm | 2880 mm |