1989 Pontiac Grand Am vs. 1977 Pontiac Bonneville
To start off, 1989 Pontiac Grand Am is newer by 12 year(s). Which means there will be less support and parts availability for 1977 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Bonneville would be higher. At 5,734 cc (8 cylinders), 1977 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1977 Pontiac Bonneville (168 HP @ 3800 RPM) has 5 more horse power than 1989 Pontiac Grand Am. (163 HP @ 5600 RPM) In normal driving conditions, 1977 Pontiac Bonneville should accelerate faster than 1989 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Bonneville weights approximately 870 kg more than 1989 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Pontiac Bonneville is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Pontiac Bonneville. However, in wet, icy, snow, or gravel driving conditions, 1989 Pontiac Grand Am, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 Pontiac Bonneville (373 Nm @ 2000 RPM) has 136 more torque (in Nm) than 1989 Pontiac Grand Am. (237 Nm @ 4000 RPM). This means 1977 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1989 Pontiac Grand Am. 1977 Pontiac Bonneville has automatic transmission and 1989 Pontiac Grand Am has manual transmission. 1989 Pontiac Grand Am will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
1989 Pontiac Grand Am | 1977 Pontiac Bonneville | |
Make | Pontiac | Pontiac |
Model | Grand Am | Bonneville |
Year Released | 1989 | 1977 |
Engine Position | Front | Front |
Engine Size | 1996 cc | 5734 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | in-line |
Horse Power | 163 HP | 168 HP |
Engine RPM | 5600 RPM | 3800 RPM |
Torque | 237 Nm | 373 Nm |
Torque RPM | 4000 RPM | 2000 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 5 seats |
Vehicle Weight | 1235 kg | 2105 kg |
Vehicle Length | 4520 mm | 5750 mm |
Vehicle Width | 1710 mm | 2030 mm |
Vehicle Height | 1340 mm | 1380 mm |
Wheelbase Size | 2630 mm | 3140 mm |