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 Road Test: 2006 Cadillac STS-v vs. 2006 Mercedes CLS55 AMG
| | 2006 Cadillac STS-v | 2006 Mercedes-Benz CLS55 AMG | | Powertrain/Chassis | | Drivetrain layout | Front engine, RWD | Front engine, RWD | | Engine type | Supercharged 90* V-8, aluminum block/heads | Supercharged 90* V-8, aluminum block/heads | | Valvetrain | DOHC, 4 valves/cyl | SOHC, 3 valves/cyl | | Displacement | 266.7 cu in / 4371cc | 331.9 cu in / 5439cc | | Compression ratio | 9.0:1 | 9.0:1 | | Redline | 6600 rpm | 6500 rpm | | Power (SAE net) | 469 hp @ 6400 rpm* | 469 hp @ 6100 rpm | | Torque (SAE net) | 439 lb-ft @ 3800 rpm* | 516 lb-ft @ 2650 rpm | | Weight To Power | 9.3 lb/hp | 9.2 lb/hp | | Transmission | 6-speed automatic | 5-speed automatic | | Axle/Final-Drive Ratios | 3.23:1 / 2.16:1 | 2.65:1 / 2.20:1 | | Suspension, front; rear | Control arms, coil springs, anti-roll bar; multilink, coil springs, self-leveling shocks,anti-roll bar | Multilink, coil and air springs, adj shocks, anti-roll bar; multilink, coil and air springs, adj shocks, anti-roll bar | | Steering ratio | 17.2:1 | 14.7:1 | | Turns lock-to-lock | 2.9 | 2.8 | | Brakes, f;r | 14.0-in vented disc; 14.3-in vented disc, ABS | 14.2-in vented, drilled disc; 13.0-in vented, drilled disc, ABS | | Wheels, f;r | 18 x 8.5-in; 19 x 9.5-in cast alum | 19 x 8.5-in; 19 x 9.5-in cast alum | | Tires, f;r | 255/45R18 99Y; 275/40R19 101Y Pirelli Euphoria | 255/35ZR19 96Y; 285/30ZR19 98Y Bridgestone Potenza REO50A | | Dimensions | | Wheelbase | 116.4 in | 112.4 in | | Track, f/r | 62.0 / 62.8 in | 62.7 / 63.1 in | | Length x Width x Height | 197.6 x 72.6 x 58.2 in | 193.5 x 73.7 x 54.7 in | | Turning circle | 39.0 ft | 36.7 ft | | Curb weight | 4376 lb | 4307 lb | | Weight distribution | 56 / 44 % | 52 / 48 % | | Seating capacity | 5 | 4 | | Headroom, f/r | 38.7 / 37.9 in | 36.9 / 36.1 in | | Legroom, f/r | 42.6 / 38.3 in | 42.1 / 35.0 in | | Shoulder room, f/r | 58.6 / 57.4 in | 56.2 / 56.0 in | | Cargo volume | 13.8 cu ft | 15.8 cu ft | Test Data
Acceleration to mph | | 0-30 | 1.9 sec | 1.8 sec | | 0-40 | 2.7 | 2.4 | | 0-50 | 3.7 | 3.2 | | 0-60 | 4.8 | 4.3 | | 0-70 | 6.3 | 5.3 | | 0-80 | 8.0 | 6.5 | | 0-90 | 9.8 | 8.1 | | 0-100 | 11.9 | 9.8 | | Passing | 45-65 mph 2.3 sec | 2.0 sec | | 1/4 mile | 13.3 sec @ 105.7 mph | 12.5 sec @ 114.5 mph | | Braking, 60-0 mph | 114 ft | 116 ft | | Braking, 100-0 mph | 317 ft | 320 ft | | Lateral acceleration | 0.90 g avg | 0.91 g avg | | Top-gear revs @ 60 mph | 1650 rpm | 1800 rpm | | Consumer Info | | Base price | $77,090 | $89,075 | | Price as tested | $77,090 | $94,195 | | Stability/traction control | Yes/yes | Yes/yes | | Airbags | Dual front, front sides, f/r curtain | Dual front, front sides, f/r curtain | | Basic warranty | 4 yrs / 50,000 miles | 4 yrs / 50,000 miles | | Powertrain warranty | 4 yrs / 50,000 miles | 4 yrs / 50,000 miles | | Roadside assistance | 4 yrs / 50,000 miles | Unlimited | | Fuel capacity | 17.5 gal | 21.1 gal | | EPA city/hwy econ | 14 / 20 mpg | 14 / 20 mpg | | MT fuel econ | 17 mpg | 18 mpg | | Recommended fuel | Unleaded premium | Unleaded premium | | *SAE certified |
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2006 Mercedes-Benz CLS-Class
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