2005 Mazda RX-8 vs. 2013 Mercedes-Benz SLK

To start off, 2013 Mercedes-Benz SLK is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2005 Mazda RX-8 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLK (409 HP @ 6800 RPM) has 212 more horse power than 2005 Mazda RX-8. (197 HP @ 4000 RPM) In normal driving conditions, 2013 Mercedes-Benz SLK should accelerate faster than 2005 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SLK weights approximately 225 kg more than 2005 Mazda RX-8. 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, 2013 Mercedes-Benz SLK (540 Nm @ 4500 RPM) has 318 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2013 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8. 2005 Mazda RX-8 has automatic transmission and 2013 Mercedes-Benz SLK has manual transmission. 2013 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mazda RX-8 will be easier to drive especially in heavy traffic.

Compare all specifications:

2005 Mazda RX-8 2013 Mercedes-Benz SLK
Make Mazda Mercedes-Benz
Model RX-8 SLK
Year Released 2005 2013
Body Type Coupe Roadster
Engine Position Front Middle
Engine Size 1311 cc 5500 cc
Engine Type dual-disk rotary V
Horse Power 197 HP 409 HP
Engine RPM 4000 RPM 6800 RPM
Torque 222 Nm 540 Nm
Torque RPM 5500 RPM 4500 RPM
Engine Compression Ratio 10.0:1 12.6:1
Drive Type Rear Rear
Transmission Type Automatic 4-speed manual
Number of Seats 4 seats 2 seats
Number of Doors 4 doors 2 doors
Vehicle Weight 1385 kg 1610 kg
Vehicle Length 4430 mm 4146 mm
Vehicle Width 1780 mm 2006 mm
Vehicle Height 1350 mm 1300 mm
Wheelbase Size 2680 mm 2430 mm
Fuel Consumption Highway 10 L/100km 6.2 L/100km
Fuel Consumption City 13.2 L/100km 12 L/100km