2007 BMW 325 vs. 2003 BMW Z8
To start off, 2007 BMW 325 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW Z8. In addition, the cost of maintenance, including insurance, on 2003 BMW Z8 would be higher. At 4,939 cc (8 cylinders), 2003 BMW Z8 is equipped with a bigger engine. In terms of performance, 2003 BMW Z8 (400 HP @ 6600 RPM) has 185 more horse power than 2007 BMW 325. (215 HP @ 6500 RPM) In normal driving conditions, 2003 BMW Z8 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW Z8 weights approximately 65 kg more than 2007 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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 BMW Z8 (500 Nm @ 3800 RPM) has 249 more torque (in Nm) than 2007 BMW 325. (251 Nm @ 2750 RPM). This means 2003 BMW Z8 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325. 2007 BMW 325 has automatic transmission and 2003 BMW Z8 has manual transmission. 2003 BMW Z8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 325 | 2003 BMW Z8 | |
| Make | BMW | BMW |
| Model | 325 | Z8 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4939 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 400 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 251 Nm | 500 Nm |
| Torque RPM | 2750 RPM | 3800 RPM |
| Engine Bore Size | 78.8 mm | 94 mm |
| Engine Stroke Size | 82 mm | 89 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1520 kg | 1585 kg |
| Vehicle Length | 4530 mm | 4410 mm |
| Vehicle Width | 1430 mm | 1840 mm |
| Vehicle Height | 1820 mm | 1320 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption | 7.8 L/100km | 10.6 L/100km |
| Fuel Consumption City | 11.8 L/100km | 21.1 L/100km |
| Fuel Consumption Overall | 9 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 63 L | 73 L |
