2009 Audi A4 vs. 1991 Infiniti Q45
To start off, 2009 Audi A4 is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1991 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 1991 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 51 more horse power than 1991 Infiniti Q45. (277 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1991 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 1991 Infiniti Q45 weights approximately 100 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2009 Audi A4 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 Audi A4 (440 Nm @ 2900 RPM) has 43 more torque (in Nm) than 1991 Infiniti Q45. (397 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Infiniti Q45. 1991 Infiniti Q45 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Audi A4 | 1991 Infiniti Q45 | |
Make | Audi | Infiniti |
Model | A4 | Q45 |
Year Released | 2009 | 1991 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2995 cc | 4494 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 277 HP |
Engine RPM | 5500 RPM | 6000 RPM |
Torque | 440 Nm | 397 Nm |
Torque RPM | 2900 RPM | 4000 RPM |
Engine Bore Size | 84.6 mm | 93 mm |
Engine Stroke Size | 89 mm | 82.7 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1650 kg | 1750 kg |
Vehicle Length | 4720 mm | 5080 mm |
Vehicle Width | 1830 mm | 1830 mm |
Vehicle Height | 1410 mm | 1440 mm |
Wheelbase Size | 2820 mm | 2890 mm |