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 Road Test: Two Pontiac GTO's for One Mercedes-Benz CLK55 AMG
| AMG Vs. GTO | | | 2004 Mercedes-Benz CLK55 AMG | 2004 Pontiac GTO | | POWERTRAIN/CHASSIS | | Drivetrain layout | Front engine, rwd | Front engine, rwd | | Engine type | 90° V-8, alum block and heads, LEV Bin 9 | 90° V-8, alum block and heads, LEV Bin 8 | | Valve gear | SOHC, 3 valves/cyl | OHV, 2 valves/cyl | | Bore x stroke, in/mm | 3.82x3.62 / 97.0x92.0 | 3.90x3.62 / 99.0x92.0 | | Displacement, ci/cc | 331.9 / 5439 | 345.7 / 5665 | | Compression ratio | 11.0:1 | 10.1:1 | | Max horsepower @ rpm | 362 @ 5750 | 350 @ 5200 | | Max torque @ rpm | 376 @ 4000 | 365 @ 4000 | | Max engine speed | 6000 | 6200 | | Specific output, hp/liter | 66.6 | 61.8 | | Power to weight, lb/hp | 10.0 | 10.6 | | Transmission | 5-speed automatic | 4-speed automatic | | Axle/final-drive ratio (:1) | 3.06 / 2.54 | 3.46 / 2.42 | | Suspension, front; rear | MacPherson struts, anti-roll bar;multilink, coil springs, anti-roll bar | MacPherson struts, anti-roll bar; multilink, coil springs, anti-roll bar | | Brakes, f;r | 13.6-in vented disc;11.8-in vented disc, ABS, EBD, BA | 11.7-in vented disc;11.3-in disc, ABS | | Wheels, f;r | 17x7.5; 17x8.5, cast alum | 17x8.0; 17x8.0, cast alum | | Tires, f;r | 225/45ZR17 91Y; 245/40ZR17 Michelin Pilot Sport | 245/45ZR17 95W M+S; 245/45ZR17 95W M+S BFGoodrich G-Force TA | | DIMENSIONS | | Seating capacity | 4 | 4 | | Wheelbase, in | 106.9 | 109.8 | | Track, f/r, in | 58.9 / 58.0 | 61.8 / 61.8 | | Length, in | 182.6 | 189.8 | | Width, in | 68.5 | 72.5 | | Overall height, in | 55.4 | 54.9 | | Cargo volume, cu ft | 10.4 | 9.0 | | Curb weight, lb | 3635 | 3725 | | Turning circle, ft | 35.3 | 36.1 | | Fuel capacity, gal | 16.4 | 18.5 | | TEST DATA | | Acceleration, sec to mph | | 0-30 | 1.8 | 2.1 | | 0-40 | 2.6 | 3.0 | | 0-50 | 3.7 | 4.1 | | 0-60 | 4.8 | 5.4 | | 0-70 | 6.1 | 6.9 | | 0-80 | 7.8 | 8.8 | | 0-90 | 9.5 | 11.2 | | 0-100 | 11.5 | 13.3 | | 0-100-0 | 15.9 | 18.2 | | 1/4 mile, sec @ mph | 13.14 @ 108.07 | 13.85 @ 101.41 | | Braking, 60-0 mph, ft | 113 | 126 | | Braking, 100-0 mph, ft | 322 | 347 | | 200-ft skidpad, lateral g | 0.82 | 0.81 | | 600-ft slalom, mph | 66.4 | 62.5 | | MT Figure-8, sec @ ave g | 26.5 @ 0.66 | 27.0 @ 0.63 | | Top-gear rpm @ 60 mph | 2100 | 1900 | | CONSUMER INFO | | On sale in U.S. | Currently | Currently | | Base price, incl delivery | $71,920 | $32,495 | | Price as tested | $79,400 | $33,495 | | Stability/traction control | Yes/yes | No/yes | | Airbags | Dual front, front-side,f/r side curtain | Dual front, front-side | | Basic warranty | 4 yrs/50,000 miles | 3 yrs/36,000 miles | | Powertrain warranty | 4 yrs/50,000 miles | 3 yrs/36,000 miles | | Roadside assistance | 4 yrs/50,000 miles | 3 yrs/36,000 miles | | EPA mpg, city/hwy | 15/22 | 16/21 | | Range, miles, city/hwy | 246/361 | 296/389 | | Recommended fuel | Unleaded premium | Unleaded premium |
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