1991 Audi S2 vs. 2005 Kia Optima
To start off, 2005 Kia Optima is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 2,670 cc (6 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 46 more horse power than 2005 Kia Optima. (170 HP @ 4000 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 67 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Optima. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 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, 1991 Audi S2 (309 Nm) has 64 more torque (in Nm) than 2005 Kia Optima. (245 Nm). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 1991 Audi S2 | 2005 Kia Optima | |
| Make | Audi | Kia |
| Model | S2 | Optima |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2670 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 170 HP |
| Engine RPM | 5900 RPM | 4000 RPM |
| Torque | 309 Nm | 245 Nm |
| Engine Bore Size | 81.1 mm | 87 mm |
| Engine Stroke Size | 86.4 mm | 75 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1487 kg |
| Vehicle Length | 4410 mm | 4730 mm |
| Vehicle Width | 1720 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2560 mm | 2640 mm |
| Fuel Consumption Highway | 9.3 L/100km | 8.7 L/100km |
| Fuel Consumption City | 14.3 L/100km | 11.8 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
