2003 Lexus IS vs. 2007 Subaru B9 Tribeca
To start off, 2007 Subaru B9 Tribeca is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Lexus IS. In addition, the cost of maintenance, including insurance, on 2003 Lexus IS would be higher. At 2,999 cc, 2007 Subaru B9 Tribeca is equipped with a bigger engine. In terms of performance, 2007 Subaru B9 Tribeca (242 HP @ 6600 RPM) has 89 more horse power than 2003 Lexus IS. (153 HP @ 6200 RPM) In normal driving conditions, 2007 Subaru B9 Tribeca should accelerate faster than 2003 Lexus IS. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru B9 Tribeca weights approximately 600 kg more than 2003 Lexus IS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Subaru B9 Tribeca is four wheel drive (4WD), it will have significant more traction and grip than 2003 Lexus IS. In wet, icy, snow, or gravel driving conditions, 2007 Subaru B9 Tribeca 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, 2007 Subaru B9 Tribeca (298 Nm @ 4200 RPM) has 102 more torque (in Nm) than 2003 Lexus IS. (196 Nm @ 4600 RPM). This means 2007 Subaru B9 Tribeca will have an easier job in driving up hills or pulling heavy equipment than 2003 Lexus IS. 2007 Subaru B9 Tribeca has automatic transmission and 2003 Lexus IS has manual transmission. 2003 Lexus IS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Subaru B9 Tribeca will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Lexus IS | 2007 Subaru B9 Tribeca | |
| Make | Lexus | Subaru |
| Model | IS | B9 Tribeca |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1988 cc | 2999 cc |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 242 HP |
| Engine RPM | 6200 RPM | 6600 RPM |
| Torque | 196 Nm | 298 Nm |
| Torque RPM | 4600 RPM | 4200 RPM |
| Engine Bore Size | 75 mm | 89.2 mm |
| Engine Stroke Size | 75 mm | 80 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1400 kg | 2000 kg |
| Vehicle Length | 4410 mm | 4830 mm |
| Vehicle Width | 1730 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1690 mm |
| Wheelbase Size | 2680 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 64 L |
