1989 Buick Reatta vs. 1970 Innocenti IM 3
To start off, 1989 Buick Reatta is newer by 19 year(s). Which means there will be less support and parts availability for 1970 Innocenti IM 3. In addition, the cost of maintenance, including insurance, on 1970 Innocenti IM 3 would be higher. At 3,800 cc (6 cylinders), 1989 Buick Reatta is equipped with a bigger engine. In terms of performance, 1989 Buick Reatta (165 HP @ 4400 RPM) has 109 more horse power than 1970 Innocenti IM 3. (56 HP @ 5500 RPM). In normal driving conditions, 1989 Buick Reatta should accelerate faster than 1970 Innocenti IM 3. With that said, vehicle weight also plays an important factor in acceleration. 1989 Buick Reatta weights approximately 642 kg more than 1970 Innocenti IM 3. 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, 1989 Buick Reatta (285 Nm) has 202 more torque (in Nm) than 1970 Innocenti IM 3. (83 Nm). This means 1989 Buick Reatta will have an easier job in driving up hills or pulling heavy equipment than 1970 Innocenti IM 3. 1989 Buick Reatta has automatic transmission and 1970 Innocenti IM 3 has manual transmission. 1970 Innocenti IM 3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Buick Reatta will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Buick Reatta | 1970 Innocenti IM 3 | |
| Make | Buick | Innocenti |
| Model | Reatta | IM 3 |
| Year Released | 1989 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 1098 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 165 HP | 56 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 285 Nm | 83 Nm |
| Engine Bore Size | 96.6 mm | 64.6 mm |
| Engine Stroke Size | 86.4 mm | 83.7 mm |
| Engine Compression Ratio | 8.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1532 kg | 890 kg |
| Vehicle Length | 4650 mm | 3760 mm |
| Vehicle Width | 1860 mm | 1570 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2380 mm |
