2009 Acura RDX vs. 1991 Audi Coupe
To start off, 2009 Acura RDX is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 2,297 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 126 more horse power than 1991 Audi Coupe. (111 HP @ 5300 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 654 kg more than 1991 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Audi Coupe. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX 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, 2009 Acura RDX (260 Nm @ 4500 RPM) has 92 more torque (in Nm) than 1991 Audi Coupe. (168 Nm @ 3250 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe. 2009 Acura RDX has automatic transmission and 1991 Audi Coupe has manual transmission. 1991 Audi Coupe will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RDX | 1991 Audi Coupe | |
| Make | Acura | Audi |
| Model | RDX | Coupe |
| Year Released | 2009 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1982 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 237 HP | 111 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 260 Nm | 168 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1784 kg | 1130 kg |
| Vehicle Length | 4600 mm | 4490 mm |
| Vehicle Width | 1880 mm | 1720 mm |
| Vehicle Height | 1660 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2560 mm |
| Fuel Tank Capacity | 68 L | 64 L |
