2007 Audi A4 vs. 1981 BMW M1
To start off, 2007 Audi A4 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW M1. In addition, the cost of maintenance, including insurance, on 1981 BMW M1 would be higher. At 3,453 cc (6 cylinders), 1981 BMW M1 is equipped with a bigger engine. In terms of performance, 1981 BMW M1 (273 HP @ 6500 RPM) has 21 more horse power than 2007 Audi A4. (252 HP @ 5100 RPM) In normal driving conditions, 1981 BMW M1 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 440 kg more than 1981 BMW M1.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW M1. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, both vehicles can yield 330 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2007 Audi A4 has automatic transmission and 1981 BMW M1 has manual transmission. 1981 BMW M1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1981 BMW M1 | |
| Make | Audi | BMW |
| Model | A4 | M1 |
| Year Released | 2007 | 1981 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3121 cc | 3453 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 273 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 330 Nm | 330 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 93.5 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 12.5:1 | 9.0:1 |
| Acceleration 0-100mph | 7.4 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1300 kg |
| Vehicle Length | 4580 mm | 4370 mm |
| Vehicle Width | 1400 mm | 1830 mm |
| Vehicle Height | 1780 mm | 1140 mm |
| Wheelbase Size | 2660 mm | 2570 mm |
| Fuel Tank Capacity | 70 L | 116 L |
