1975 AC 428 vs. 1999 Audi R8R
To start off, 1999 Audi R8R is newer by 24 year(s). Which means there will be less support and parts availability for 1975 AC 428. In addition, the cost of maintenance, including insurance, on 1975 AC 428 would be higher. At 7,003 cc (8 cylinders), 1975 AC 428 is equipped with a bigger engine. In terms of performance, 1975 AC 428 (298 HP @ 4600 RPM) has 51 more horse power than 1999 Audi R8R. (247 HP @ 6300 RPM). In normal driving conditions, 1975 AC 428 should accelerate faster than 1999 Audi R8R. With that said, vehicle weight also plays an important factor in acceleration. 1975 AC 428 weights approximately 1428 kg more than 1999 Audi R8R. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1975 AC 428 (639 Nm) has 309 more torque (in Nm) than 1999 Audi R8R. (330 Nm). This means 1975 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi R8R. 1999 Audi R8R has automatic transmission and 1975 AC 428 has manual transmission. 1975 AC 428 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi R8R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 AC 428 | 1999 Audi R8R | |
| Make | AC | Audi |
| Model | 428 | R8R |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 7003 cc | 3898 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 247 HP |
| Engine RPM | 4600 RPM | 6300 RPM |
| Torque | 639 Nm | 330 Nm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 1 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1430 kg | 2 kg |
| Vehicle Length | 4430 mm | 4660 mm |
| Vehicle Width | 1710 mm | 2010 mm |
| Vehicle Height | 1310 mm | 1090 mm |
