2007 Audi A4 vs. 1973 Vauxhall Firenza
To start off, 2007 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1973 Vauxhall Firenza would be higher. At 3,123 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 175 more horse power than 1973 Vauxhall Firenza. (77 HP @ 5200 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1973 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 758 kg more than 1973 Vauxhall Firenza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 196 more torque (in Nm) than 1973 Vauxhall Firenza. (134 Nm @ 3000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Vauxhall Firenza.
Compare all specifications:
| 2007 Audi A4 | 1973 Vauxhall Firenza | |
| Make | Audi | Vauxhall |
| Model | A4 | Firenza |
| Year Released | 2007 | 1973 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1759 cc |
| Horse Power | 252 HP | 77 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 330 Nm | 134 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 85.8 mm |
| Engine Stroke Size | 92.8 mm | 76.2 mm |
| Engine Compression Ratio | 12.5:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1698 kg | 940 kg |
| Vehicle Length | 4580 mm | 4150 mm |
| Vehicle Width | 1400 mm | 1650 mm |
| Vehicle Height | 1780 mm | 1340 mm |
| Wheelbase Size | 2660 mm | 2470 mm |
