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 Road Test: 2005 Audi A4 3.2 Quattro vs. 2006 BMW 330i vs. 2005 Infiniti G35
| | 2005 Audi A4 3.2 quattro | 2006 BMW 330i | 2005 Infiniti G35 | | Powertrain/Chassis | | Drivetrain layout | Front engine, AWD | Front engine, RWD | Front engine, RWD | | Engine type | V-6, alum block/heads | I-6, alloy block/alum heads | V-6, alum block/heads | | Valvetrain | DOHC, 4 valves/cyl | DOHC, 4 valves/cyl | DOHC, 4 valves/cyl | | Displacement | 190.5 cu in / 3123cc | 182.8 cu in / 2996cc | 213.5 cu in / 3498cc | | Compression ratio | 12.5:1 | 10.7:1 | 10.3:1 | | Power (SAE net) | 255 hp @ 6500 rpm | 255 hp @ 6600 rpm | 280 hp @ 6200 rpm | | Torque (SAE net) | 243 lb-ft @ 3250 rpm | 220 lb-ft @ 2750 rpm | 270 lb-ft @ 4800 rpm | | Specific output | 81.7 hp/liter | 85.1 hp/liter | 80.0 hp/liter | | Redline | 6800 rpm | 7000 rpm | 6600 rpm | | Weight to power | 15.0 lb/hp | 13.8 lb/hp | 12.6 lb/hp | | Transmission | 6-speed automatic | 6-speed automatic | 5-speed automatic | | Axle/final-drive ratios | 3.54:1 / 2.45:1 | 3.64:1 / 2.51:1 | 3.36:1 / 2.80:1 | | Suspension, front; rear | Multilink, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar | Struts, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar | Multilink, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar | | Steering ratio | 16.3:1 | 10.8:1-18.0:1 | 15.9:1 | | Turns lock-to-lock | 2.8 | 1.8-3.0 | 2.7 | | Brakes, f;r | 12.6-in vented disc; 11.3-in disc, ABS | 13.0-in vented disc; 13.2-in vented disc, ABS | 12.6-in vented disc; 12.1-in vented disc, ABS | | Wheels, f;r | 17 x 7.5, cast alum | 18 x 8.0; 18 x 8.5, cast alum | 18 x 7.5, cast alum | | Tires, f;r | 235/45R17 94V M+S Pirelli P6 Four Seasons | 225/40R18 88W; 255/35R18 90W Bridgestone Potenza | 235/45R18 94W Goodyear Eagle NCT 5 | | Dimensions | | Wheelbase | 104.3 in | 108.7 in | 112.2 in | | Track, f/r | 59.9 / 59.9 in | 59.1 / 59.6 in | 59.1 / 59.3 in | | Length x width x height | 180.6 x 69.8 x 56.2 in | 178.2 x 71.5 x 55.9 in | 186.5 x 69.0 x 57.7 in | | Turning circle | 36.4 ft | 36.1 ft | 36.0 ft | | Curb weight | 3815 lb | 3512 lb | 3541 lb | | Weight dist, f/r | 59 / 41 % | 51 / 49 % | 53 / 47 % | | Seating capacity | 5 passengers | 5 passengers | 5 passengers | | Headroom, f/r | 37.9 / 37.1 in | 37.4 / 37.1 in | 38.7 / 37.4 in | | Legroom, f/r | 41.3 / 34.3 in | 41.5 / 34.6 in | 43.6 / 33.6 in | | Shoulder room, f/r | 55.1 / 53.4 in | 55.4 / 55.1 in | 56.4 / 55.5 in | | Cargo volume | 13.4 cu ft | 12.0 cu ft | 14.8 cu ft | | Test Data | | Acceleration to mph | | 0-30 | 2.3 sec | 2.1 sec | 2.4 sec | | 0-40 | 3.8 | 3.5 | 3.5 | | 0-50 | 5.3 | 4.8 | 4.9 | | 0-60 | 7.1 | 6.6 | 6.5 | | 0-70 | 9.3 | 8.7 | 8.5 | | 0-80 | 11.7 | 11.0 | 10.9 | | 0-90 | 14.6 | 13.8 | 13.4 | | 0-100 | 18.3 | 17.4 | 17.5 | | Passing 45-65 mph | 3.7 sec | 3.4 sec | 3.2 sec | | 1/4 mile | 15.1 sec @ 93.4 mph | 14.7 sec @ 95.1 mph | 14.7 sec @ 95.9 mph | | Braking, 60-0 mph | 126 ft | 112 ft | 112 ft | | 600-ft slalom | 62.2 mph (avg) | 67.8 mph (avg) | 65.3 mph (avg) | | Lateral acceleration | 0.80 g (avg) | 0.88 g (avg) | 0.88 g (avg) | | MT Figure Eight | 27.5 sec @ 0.61 g (avg) | 26.5 sec @ 0.66 g (avg) | 26.6 sec @ 0.66 g (avg) | | Top-gear revs @ 60 mph | 2050 rpm | 2000 rpm | 2400 rpm | | Consumer Info | | Base price | $36,120 | $36,995 | $31,460 | | Price as tested | $41,520 | $47,390 | $36,510 | | Stability/traction control | Yes/yes | Yes/yes | Yes/yes | | Airbags | Dual front, front side, f/r curtain | Dual front, front side, f/r curtain | Dual front, front side, f/r curtain | | Basic warranty | 4 yrs / 50,000 miles | 4 yrs / 50,000 miles | 4 yrs / 60,000 miles | | Powertrain warranty | 4 yrs / 50,000 miles | 4 yrs / 50,000 miles | 6 yrs / 70,000 miles | | Roadside assistance | 4 yrs / unlimited miles | 4 yrs / 50,000 miles | 4 yrs / 60,000 miles | | Fuel capacity | 16.6 gal | 15.9 gal | 20.0 gal | | EPA city/hwy econ | 19 / 26 mpg | 21 / 29 mpg | 18 / 25 mpg | | Recommended fuel | Unleaded premium | Unleaded premium | Unleaded premium |
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