2007 Ford Ka vs. 2003 Infiniti I
To start off, 2007 Ford Ka is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Infiniti I. In addition, the cost of maintenance, including insurance, on 2003 Infiniti I would be higher. At 2,960 cc (6 cylinders), 2003 Infiniti I is equipped with a bigger engine. In terms of performance, 2003 Infiniti I (224 HP @ 5600 RPM) has 156 more horse power than 2007 Ford Ka. (68 HP @ 5500 RPM) In normal driving conditions, 2003 Infiniti I should accelerate faster than 2007 Ford Ka. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti I weights approximately 625 kg more than 2007 Ford Ka. 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, 2003 Infiniti I (270 Nm @ 4800 RPM) has 163 more torque (in Nm) than 2007 Ford Ka. (107 Nm @ 3000 RPM). This means 2003 Infiniti I will have an easier job in driving up hills or pulling heavy equipment than 2007 Ford Ka. 2003 Infiniti I has automatic transmission and 2007 Ford Ka has manual transmission. 2007 Ford Ka will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti I will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Ford Ka | 2003 Infiniti I | |
| Make | Ford | Infiniti |
| Model | Ka | I |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 2960 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 68 HP | 224 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 107 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 887 kg | 1512 kg |
| Vehicle Length | 3630 mm | 4930 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1360 mm | 1450 mm |
| Wheelbase Size | 2450 mm | 2760 mm |
