1979 Ford Thunderbird vs. 1975 Pontiac Bonneville
To start off, 1979 Ford Thunderbird is newer by 4 year(s). Which means there will be less support and parts availability for 1975 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Bonneville would be higher. At 6,556 cc (8 cylinders), 1975 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1975 Pontiac Bonneville (168 HP @ 4000 RPM) has 33 more horse power than 1979 Ford Thunderbird. (135 HP @ 3200 RPM) In normal driving conditions, 1975 Pontiac Bonneville should accelerate faster than 1979 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 1975 Pontiac Bonneville weights approximately 292 kg more than 1979 Ford Thunderbird. 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, 1975 Pontiac Bonneville (415 Nm @ 2200 RPM) has 29 more torque (in Nm) than 1979 Ford Thunderbird. (386 Nm @ 1400 RPM). This means 1975 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1979 Ford Thunderbird.
Compare all specifications:
| 1979 Ford Thunderbird | 1975 Pontiac Bonneville | |
| Make | Ford | Pontiac |
| Model | Thunderbird | Bonneville |
| Year Released | 1979 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 6556 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 135 HP | 168 HP |
| Engine RPM | 3200 RPM | 4000 RPM |
| Torque | 386 Nm | 415 Nm |
| Torque RPM | 1400 RPM | 2200 RPM |
| Engine Bore Size | 101.6 mm | 104.6 mm |
| Engine Stroke Size | 88.8 mm | 95.3 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1813 kg | 2105 kg |
| Vehicle Length | 5520 mm | 5750 mm |
| Vehicle Width | 2000 mm | 2030 mm |
| Vehicle Height | 1350 mm | 1380 mm |
| Wheelbase Size | 2900 mm | 3140 mm |
