2007 Audi A4 vs. 1999 Ford O21 C
To start off, 2007 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Ford O21 C. In addition, the cost of maintenance, including insurance, on 1999 Ford O21 C would be higher. At 1,984 cc (4 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (201 HP @ 5100 RPM) has 73 more horse power than 1999 Ford O21 C. (128 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1999 Ford O21 C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 582 kg more than 1999 Ford O21 C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2007 Audi A4 (281 Nm @ 1800 RPM) has 103 more torque (in Nm) than 1999 Ford O21 C. (178 Nm @ 4000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Ford O21 C. 1999 Ford O21 C has automatic transmission and 2007 Audi A4 has manual transmission. 2007 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Ford O21 C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1999 Ford O21 C | |
| Make | Audi | Ford |
| Model | A4 | O21 C |
| Year Released | 2007 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1596 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 128 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 281 Nm | 178 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 79 mm |
| Engine Stroke Size | 92.8 mm | 81.4 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1298 kg |
| Vehicle Length | 4590 mm | 3610 mm |
| Vehicle Width | 1780 mm | 1650 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2490 mm |
| Fuel Tank Capacity | 70 L | 132 L |
