1991 Audi 80 vs. 2004 Kia Optima
To start off, 2004 Kia Optima is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Audi 80. In addition, the cost of maintenance, including insurance, on 1991 Audi 80 would be higher. At 2,398 cc (4 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (138 HP @ 3800 RPM) has 23 more horse power than 1991 Audi 80. (115 HP @ 5400 RPM) In normal driving conditions, 2004 Kia Optima should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 309 kg more than 1991 Audi 80. 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, 2004 Kia Optima (199 Nm) has 31 more torque (in Nm) than 1991 Audi 80. (168 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 1991 Audi 80 | 2004 Kia Optima | |
| Make | Audi | Kia |
| Model | 80 | Optima |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2398 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 138 HP |
| Engine RPM | 5400 RPM | 3800 RPM |
| Torque | 168 Nm | 199 Nm |
| Engine Bore Size | 82.5 mm | 87 mm |
| Engine Stroke Size | 92.8 mm | 100 mm |
| Engine Compression Ratio | 10.4:1 | 10.0:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1240 kg | 1549 kg |
| Vehicle Length | 4490 mm | 4730 mm |
| Vehicle Width | 1710 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2720 mm |
| Fuel Tank Capacity | 66 L | 65 L |
