1999 Audi A4 vs. 1991 Opel Frontera
To start off, 1999 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Opel Frontera. In addition, the cost of maintenance, including insurance, on 1991 Opel Frontera would be higher. At 1,998 cc (4 cylinders), 1991 Opel Frontera is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 134 more horse power than 1991 Opel Frontera. (114 HP @ 5200 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1991 Opel Frontera. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Frontera weights approximately 339 kg more than 1999 Audi A4.
Because 1991 Opel Frontera is four wheel drive (4WD), it will have significant more traction and grip than 1999 Audi A4. In wet, icy, snow, or gravel driving conditions, 1991 Opel Frontera 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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 150 more torque (in Nm) than 1991 Opel Frontera. (170 Nm @ 2800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Frontera. 1999 Audi A4 has automatic transmission and 1991 Opel Frontera has manual transmission. 1991 Opel Frontera will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 1991 Opel Frontera | |
| Make | Audi | Opel |
| Model | A4 | Frontera |
| Year Released | 1999 | 1991 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 114 HP |
| Engine RPM | 5700 RPM | 5200 RPM |
| Torque | 320 Nm | 170 Nm |
| Torque RPM | 1750 RPM | 2800 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.5:1 | 9.2:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1300 kg | 1639 kg |
| Vehicle Length | 4480 mm | 4210 mm |
| Vehicle Width | 1740 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1700 mm |
| Wheelbase Size | 2620 mm | 2470 mm |
| Fuel Tank Capacity | 62 L | 75 L |
