1973 Honda 145 vs. 2003 Honda Z
To start off, 2003 Honda Z is newer by 30 year(s). Which means there will be less support and parts availability for 1973 Honda 145. In addition, the cost of maintenance, including insurance, on 1973 Honda 145 would be higher. At 1,433 cc (4 cylinders), 1973 Honda 145 is equipped with a bigger engine. In terms of performance, 1973 Honda 145 (68 HP @ 5500 RPM) has 17 more horse power than 2003 Honda Z. (51 HP @ 7000 RPM). In normal driving conditions, 1973 Honda 145 should accelerate faster than 2003 Honda Z. With that said, vehicle weight also plays an important factor in acceleration. 2003 Honda Z weights approximately 40 kg more than 1973 Honda 145.
Because 2003 Honda Z is four wheel drive (4WD), it will have significant more traction and grip than 1973 Honda 145. In wet, icy, snow, or gravel driving conditions, 2003 Honda Z 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, 1973 Honda 145 (118 Nm @ 3500 RPM) has 57 more torque (in Nm) than 2003 Honda Z. (61 Nm @ 4000 RPM). This means 1973 Honda 145 will have an easier job in driving up hills or pulling heavy equipment than 2003 Honda Z. 2003 Honda Z has automatic transmission and 1973 Honda 145 has manual transmission. 1973 Honda 145 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Honda Z will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Honda 145 | 2003 Honda Z | |
| Make | Honda | Honda |
| Model | 145 | Z |
| Year Released | 1973 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1433 cc | 654 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 68 HP | 51 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 118 Nm | 61 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 920 kg | 960 kg |
| Vehicle Length | 4150 mm | 3410 mm |
| Vehicle Width | 1500 mm | 1480 mm |
| Vehicle Height | 1340 mm | 1680 mm |
| Wheelbase Size | 2260 mm | 2370 mm |
