1991 Audi Coupe vs. 1974 BMW 518
To start off, 1991 Audi Coupe is newer by 17 year(s). Which means there will be less support and parts availability for 1974 BMW 518. In addition, the cost of maintenance, including insurance, on 1974 BMW 518 would be higher. At 2,770 cc (6 cylinders), 1991 Audi Coupe is equipped with a bigger engine. In terms of performance, 1991 Audi Coupe (174 HP @ 5500 RPM) has 84 more horse power than 1974 BMW 518. (90 HP @ 5500 RPM). In normal driving conditions, 1991 Audi Coupe should accelerate faster than 1974 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 1974 BMW 518 weights approximately 66 kg more than 1991 Audi Coupe.
Because 1991 Audi Coupe is four wheel drive (4WD), it will have significant more traction and grip than 1974 BMW 518. In wet, icy, snow, or gravel driving conditions, 1991 Audi Coupe 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, 1991 Audi Coupe (249 Nm @ 3000 RPM) has 103 more torque (in Nm) than 1974 BMW 518. (146 Nm @ 3500 RPM). This means 1991 Audi Coupe will have an easier job in driving up hills or pulling heavy equipment than 1974 BMW 518. 1991 Audi Coupe has automatic transmission and 1974 BMW 518 has manual transmission. 1974 BMW 518 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi Coupe will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi Coupe | 1974 BMW 518 | |
| Make | Audi | BMW |
| Model | Coupe | 518 |
| Year Released | 1991 | 1974 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2770 cc | 1766 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 174 HP | 90 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 249 Nm | 146 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 8.3:1 |
| Top Speed | 206 km/hour | 155 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1174 kg | 1240 kg |
| Vehicle Length | 4370 mm | 4630 mm |
| Vehicle Width | 1720 mm | 1700 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2560 mm | 2650 mm |
| Fuel Tank Capacity | 80 L | 70 L |
