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 Comparison: 2007 Audi TT 3.2 Quattro Roadster vs. 2007 BMW Z4 3.0si vs. 2007 Porsche Boxster
| | Audi TT 3.2 Quattro Roadster | 2007 BMW Z4 3.0si | 2007 Porsche Boxter | | POWERTRAIN/CHASSIS | | DRIVETRAIN LAYOUT | Front engine, AWD | Front engine, RWD | Mid-engine, RWD | | ENGINE TYPE | 90 V-6, iron block/alum head | I-6, alum-mag block/alum head | flat-6, alum block/heads | | VALVETRAIN | DOHC, 4 valves/cyl | DOHC, 4 valves/cyl | DOHC, 4 valves/cyl | | DISPLACEMENT | 194.6 cu in/3189 cc | 182.8 cu in/2996cc | 164.0 cu in /2687 cc | | COMPRESSION RATIO | 11.3:1 | 10.7:1 | 11.3:1 | | POWER (SAE NET) | 250 hp @ 6300 rpm | 255 hp @ 6600 rpm | 245 hp @ 6500 rpm | | TORQUE (SAE NET) | 236 lb-ft @ 2500 rpm | 220 lb-ft @ 2750 rpm | 201 lb-ft @ 4600 rpm | | REDLINE | 6500 rpm | 7000 rpm | 7300 rpm | | WEIGHT TO POWER | 13.7 lb/hp | 12.0 lb/hp | 12.2 lb/hp | | TRANSMISSION | 6-speed auto-clutch manual" | 6-speed manual | 5-speed manual | | AXLE/FINAL-DRIVE RATIOS | 4.80:1 (I-4); 3.60:1 (5,6,R)/2.97:1 | 3.23:1/2.75:1 | 3.75:1/3.15:1 | | SUSPENSION, FRONT; REAR | Struts, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar | Struts, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar | Struts, coil springs, anti-roll bar; struts, coil springs, anti-roll bar | | STEERING RATIO | 16.9:1 | 14.2:1 | 17.1:1-13.8:1 | | TURNS LOCK-TO-LOCK | 2.9 | 3 | 2.8 | | BRAKES, F;R | 13.4-in vented disc; 12.2-in vented disc, ABS | 12.8-in vented disc; 11.6-in vented disc, ABS | 11.7-in vented disc; 11.8-in vented disc, ABS | | WHEELS, F;R | 9.0 x 18; 9.0 x 18, cast aluminum | 8.0 x 18; 8.5 x 18, cast aluminum | 8.0 x 19; 9.5 x 19, cast aluminum | | TIRES, F;R | "245/40R18 93Y; 245/40R18 93Y Bridgestone Potenza RE050A" | "225/40R18 88W; 255/35R18 90W, Bridgestone Potenza RE050A, RTF" | 235/35ZR19 87Y; 265/35ZR19 94Y, Michelin Pilot Sport PS2 | | DIMENSIONS | | WHEELBASE | 97.2 in | 98.2 in | 95.1 in | | TRACK, F/R | 61.9/61.3 in | 58.0/60.0 in | 58.5/60.4 in | | LENGTH x WIDTH x HEIGHT | 164.5 x 72.5 x 53.5 in | 161.1 x 70.1 x 51.1 in | 171.6 x 70.9 x 50.9 in | | TURNING CIRCLE | 36.0 ft | 32.2 ft | 36.4 ft | | CURB WEIGHT | 3435 lb | 3072 lb | 3001 lb | | WEIGHT DISTRIBUTION, F/R | 59/41% | 50/50% | 47/53% | | SEATING CAPACITY | 2 | 2 | 2 | | HEADROOM | 37.6 in | 37.3 in | 38.3 in | | LEGROOM | 41.1 in | 42.0 in | 42.9 in | | SHOULDER | 53.2 in | 52.5 in | 51.5 in | | CARGO VOLUME | 8.8 cu ft | 9.2/8.5 cu ft* | 5.3/4.6 cu ft ** | | TEST DATA | | ACCELERATION TO MPH | | 0-30 | 1.9 sec | 1.7 sec | 1.9 sec | | 0-40 | 2.9 | 2.8 | 2.9 | | 0-50 | 4.1 | 3.9 | 4.2 | | 0-60 | 5.7 | 5.1 | 5.6 | | 0-70 | 7.6 | 7 | 7.2 | | 0-80 | 9.8 | 8.8 | 9.5 | | 0-90 | 12.9 | 10.8 | 11.8 | | 0-100 | 16.1 | 13.8 | 14.2 | | PASSING, 45-65 MPH | 3 | 2.7 | 2.8 | | QUARTER MILE | 14.4 sec @ 94.6 mph | 13.8 sec @ 100.1 mph | 14.1 sec @ 99.6 mph | | BRAKING, 60-0 MPH | 111 ft | 104 ft | 110 ft | | LATERAL ACCELERATION | 0.92 g (avg) | 0.94 g (avg) | 0.95 g (avg) | | MT FIGURE EIGHT | 26.1 sec @ 0.69 g (avg) | 25.6 sec @ 0.70 g (avg) | 25.3 sec @ 0.74 g (avg) | | TOP-GEAR REVS @ 60 MPH | 2400 rpm | 2250 rpm | 2450 rpm | | CONSUMER INFO | | BASE PRICE | $46,275 | $43,175 | $46,460 | | PRICE AS TESTED | $51,225 | $48,545 | $50,990 | | STABILITY/TRACTION CONTROL | Yes/yes | Yes/yes | Yes/yes | | AIRBAGS | Dual front, front side, driver knee | Dual front, front side, driver knee | Dual front, front side | | BASIC WARRANTY | 4 yrs/50,000 miles | 4 yrs/50,000 miles | 4 yrs/50,000 miles | | POWERTRAIN WARRANTY | 4 yrs/50,000 miles" | 4 yrs/50,000 miles | 4 yrs/50,000 miles | | ROADSIDE ASSISTANCE | 4 yrs/unlimited miles | 4 yrs/unlimited miles | 4 yrs/50,000 miles | | FUEL CAPACITY | 15.9 gal | 14.5 gal | 16.9 gal | | EPA CITY/HWY ECON | 18/24 mpg | 20/30 mpg | 23/32 mpg | | CO2 EMISSIONS | 0.96 lb/mile | 0.82 lb/mile | 0.74 lb/mile | | MT FUEL ECONOMY | 18.0 mpg | 21.2 mpg | 21.5 mpg | | RECOMMENDED FUEL | Premium unleaded | Premium unleaded | Premium unleaded |
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