1991 Audi 100 vs. 1978 Mazda RX-3
To start off, 1991 Audi 100 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-3 would be higher. At 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (172 HP @ 5500 RPM) has 72 more horse power than 1978 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 1991 Audi 100 should accelerate faster than 1978 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 700 kg more than 1978 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1991 Audi 100 | 1978 Mazda RX-3 | |
| Make | Audi | Mazda |
| Model | 100 | RX-3 |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 1963 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 172 HP | 100 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1550 kg | 850 kg |
| Vehicle Length | 4800 mm | 4090 mm |
| Vehicle Width | 1780 mm | 1600 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2690 mm | 2320 mm |
