1993 Audi S4 vs. 1981 BMW M1
To start off, 1993 Audi S4 is newer by 12 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) has 47 more horse power than 1993 Audi S4. (226 HP) In normal driving conditions, 1981 BMW M1 should accelerate faster than 1993 Audi S4.
Because 1993 Audi S4 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, 1993 Audi S4 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, 1993 Audi S4 (353 Nm) has 23 more torque (in Nm) than 1981 BMW M1. (330 Nm). This means 1993 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW M1.
Compare all specifications:
| 1993 Audi S4 | 1981 BMW M1 | |
| Make | Audi | BMW |
| Model | S4 | M1 |
| Year Released | 1993 | 1981 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2199 cc | 3453 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 226 HP | 273 HP |
| Torque | 353 Nm | 330 Nm |
| Engine Bore Size | 81 mm | 93.5 mm |
| Engine Stroke Size | 86.4 mm | 84 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4800 mm | 4370 mm |
| Vehicle Width | 1810 mm | 1830 mm |
| Vehicle Height | 1450 mm | 1140 mm |
| Wheelbase Size | 2700 mm | 2570 mm |
