1999 AC Ace vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1999 AC Ace. In addition, the cost of maintenance, including insurance, on 1999 AC Ace would be higher. At 5,999 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 2 more horse power than 1999 AC Ace. (351 HP @ 6500 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 1999 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 1410 kg more than 1999 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 AC Ace. In wet, icy, snow, or gravel driving conditions, 2011 GMC Sierra 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 106 more torque (in Nm) than 1999 AC Ace. (400 Nm @ 4000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 AC Ace. 2011 GMC Sierra has automatic transmission and 1999 AC Ace has manual transmission. 1999 AC Ace will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 AC Ace | 2011 GMC Sierra | |
| Make | AC | GMC |
| Model | Ace | Sierra |
| Year Released | 1999 | 2011 |
| Body Type | Roadster | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 351 HP | 353 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 400 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1025 kg | 2435 kg |
| Vehicle Length | 4430 mm | 6340 mm |
| Vehicle Width | 1880 mm | 2040 mm |
| Vehicle Height | 1310 mm | 1950 mm |
| Wheelbase Size | 2480 mm | 4010 mm |
| Fuel Tank Capacity | 90 L | 129 L |
