1971 AC 428 vs. 2009 Audi A5
To start off, 2009 Audi A5 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 33 more horse power than 2009 Audi A5. (265 HP @ 6500 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 1971 AC 428 weights approximately 535 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A5 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 Audi A5 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 309 more torque (in Nm) than 2009 Audi A5. (330 Nm @ 3250 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5. 2009 Audi A5 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 Audi A5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 AC 428 | 2009 Audi A5 | |
| Make | AC | Audi |
| Model | 428 | A5 |
| Year Released | 1971 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 3197 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 265 HP |
| Engine RPM | 4600 RPM | 6500 RPM |
| Torque | 639 Nm | 330 Nm |
| Torque RPM | 2800 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 895 kg |
| Vehicle Length | 4430 mm | 4630 mm |
| Vehicle Width | 1710 mm | 1990 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2450 mm | 2760 mm |
