
Automobile puts the C63 AMG in last place. They hated the transmission, understandable with the automatic. They also didn't like its heft. Its track manners were the least desirable. They did like the motor which who doesn't? It was the fastest car out of the group.
The Audi RS5 comes in third. It also has the highest base price of the group. They said the 4.2 liter with 450 horsepower and an 8500 RPM redline is arguably the best powerplant in this test which is rather hard to believe when the M156 V8 in the C63 and the S65 V8 in the M3 are involved. The RS5 was also called the least impressive on the track. In other words, compared to the others, it's boring. Understeer all day and the brakes had trouble with the heft. Hard to believe it had the fastest lap time of the bunch then. Yes, it really did.
The M3 finishes in second place or really first of the cars in its class. Automobile states its age is starting to show as it should but the M3 clearly is aging quite well especially considering Audi is bringing a brand new car to the table and Mercedes recently released the C63 coupe. It's also considerably lighter and better balanced than either the Audi or Mercedes, age isn't changing that. The 111 mph trap speed puts it 1 MPH ahead of the brand new RS5 although the C63 was tested much quicker than either. It only beat the C63 by a tenth around the track though either way the M3 is said to be more desirable due to how much fun it is to drive and its great balance.
This brings us to the first place car, the Porsche Boxster S. Obviously, the Boxster wins because it is the most fun to drive. As it should be being mid-engined and offering the lightest curb weight by over 400 pounds in this group. The acceleration numbers even with the PDK transmission are incredibly slow compared to numbers others have hit. 13.3@106 in the 1/4 mile? Something sounds really off. Regardless, they call the Boxster driving bliss and that is why it wins although it is incredibly surprising the RS5 beat it around the roadcourse.
Full results and video below. Oh, and Automobile titling this comparison as a $64,000 comparison makes little sense when one actually looks like the as tested prices. Especially with the Boxster over $90k.
Video will not embed, link here: http://www.automobilemag.com/reviews...Hw1ucwjrFgkZ9J
Lap Times
Grattan Raceway | 2.2 miles
Audi RS5 1:28.48
Porsche Boxster S 1:29.10
BMW M3 1:30.05
Mercedes-Benz C63 AMG 1:30.06
2013 Audi RS5
BASE PRICE: $69,795
PRICE AS TESTED: $77,320
POWERTRAIN
ENGINE: 32-valve DOHC V-8
DISPLACEMENT: 4.2 liters (254 cu in)
POWER: 450 hp @ 8250 rpm
TORQUE: 317 lb-ft @ 4000 rpm
TRANSMISSION: 7-speed automatic
DRIVE: 4-wheel
CHASSIS
STEERING: Electrically assisted
FRONT SUSPENSION: Multilink, coil springs
REAR SUSPENSION: Multilink, coil springs
BRAKES: Vented discs, ABS
TIRES: Pirelli PZero
TIRE SIZE: 275/30YR-20
MEASUREMENTS
L x W x H: 183.0 x 73.2 x 53.8 in
WHEELBASE: 108.3 in
TRACK F/R: 62.4/62.3 in
WEIGHT: 4037 lb
WEIGHT DIST. F/R: 57.8/42.2%
EPA MILEAGE: 16/23 mpg
TEST RESULTS
0-60 MPH: 4.6 sec
0-100 MPH: 10.8 sec
1/4-MILE: 13.0 sec @ 110 mph
30-70 MPH PASSING: 4.5 sec
PEAK ACCELERATION: 0.85 g
SPEED IN GEARS: 1) 42; 2) 68; 3) 98; 4) 130; 5) 167; 6) 174; 7) --- mph
CORNERING L/R: 0.97/0.95 g
70-0 MPH BRAKING: 152 ft
PEAK BRAKING: 1.15 g
2012 BMW M3 coupe
BASE PRICE: $62,295
PRICE AS TESTED: $69,595
POWERTRAIN
ENGINE: 32-valve DOHC V-8
DISPLACEMENT: 4.0 liters (244 cu in)
POWER: 414 hp @ 8300 rpm
TORQUE: 295 lb-ft @ 3900 rpm
TRANSMISSION: 7-speed automatic
DRIVE: Rear-wheel
CHASSIS
STEERING: Electrohydraulically assisted
FRONT SUSPENSION: Strut-type, coil springs
REAR SUSPENSION: Multilink, coil springs
BRAKES: Vented discs, ABS
TIRES: Michelin Pilot Sport
TIRE SIZE F, R: 245/35YR-19, 265/35YR-19
MEASUREMENTS
L x W x H: 181.8 x 71.0 x 55.8 in
WHEELBASE: 108.7 in
TRACK F/R: 60.6/60.6 in
WEIGHT: 3576 lb
WEIGHT DIST. F/R: 51.2/48.8%
EPA MILEAGE: 14/20 mpg
TEST RESULTS
0-60 MPH: 4.6 sec
0-100 MPH: 10.6 sec
1/4-MILE: 13.0 sec @ 111 mph
30-70 MPH PASSING: 4.0 sec
PEAK ACCELERATION: 0.73 g
SPEED IN GEARS: 1) 44; 2) 71; 3) 97; 4) 124; 5) 150; 6) 155; 7) --- mph
CORNERING L/R: 1.00/0.99 g
70-0 MPH BRAKING: 141 ft
PEAK BRAKING: 1.16 g
2013 Mercedes-Benz C63 AMG coupe
BASE PRICE: $64,935
PRICE AS TESTED: $83,845
POWERTRAIN
ENGINE: 32-valve DOHC V-8
DISPLACEMENT: 6.2 liters (379 cu in)
POWER: 481 hp @ 6500 rpm
TORQUE: 443 lb-ft @ 5000 rpm
TRANSMISSION: 7-speed automatic
DRIVE: Rear-wheel
CHASSIS
STEERING: Hydraulically assisted
FRONT SUSPENSION: Strut-type, coil springs
REAR SUSPENSION: Multilink, coil springs
BRAKES: Vented discs, ABS
TIRES: Continental ContiSportContact
TIRE SIZE F, R: 235/40YR-18, 255/35YR-18
MEASUREMENTS
L x W x H: 185.3 x 69.7 x 54.6 in
WHEELBASE: 108.9 in
TRACK F/R: 62.4/61.5 in
WEIGHT: 3804 lb
WEIGHT DIST. F/R: 53.8/46.2%
EPA MILEAGE: 13/19 mpg
TEST RESULTS
0-60 MPH: 4.4 sec
0-100 MPH: 10.0 sec
1/4-MILE: 12.3 sec @ 117 mph
30-70 MPH PASSING: 4.4 sec
PEAK ACCELERATION: 0.71 g
SPEED IN GEARS: 1) 41; 2) 63; 3) 94; 4) 131; 5) 174; 6) ---; 7) --- mph
CORNERING L/R: 0.94/0.94 g
70-0 MPH BRAKING: 165 ft
PEAK BRAKING: 1.04 g
2013 Porsche Boxster S
BASE PRICE: $61,850
PRICE AS TESTED: $90,535
POWERTRAIN
ENGINE: 24-valve DOHC flat-6
DISPLACEMENT: 3.4 liters (210 cu in)
POWER: 315 hp @ 6700 rpm
TORQUE: 266 lb-ft @ 4500 rpm
TRANSMISSION: 7-speed automatic
DRIVE: Rear-wheel
CHASSIS
STEERING: Electrically assisted
FRONT SUSPENSION: Strut-type, coil springs
REAR SUSPENSION: Strut-type, coil springs
BRAKES: Vented discs, ABS
TIRES: Pirelli PZero
TIRE SIZE F, R: 235/35YR-20, 265/35YR-20
MEASUREMENTS
L x W x H: 172.2 x 70.9 x 50.0 in
WHEELBASE: 97.4 in
TRACK F/R: 60.1/60.6 in
WEIGHT: 3133 lb
WEIGHT DIST. F/R: 44.6/55.4%
EPA MILEAGE: 21/30 mpg
TEST RESULTS
0-60 MPH: 4.8 sec
0-100 MPH: 11.9 sec
1/4-MILE: 13.3 sec @ 106 mph
30-70 MPH PASSING: 4.5 sec
PEAK ACCELERATION: 0.78 g
SPEED IN GEARS: 1) 42; 2) 71; 3) 99; 4) 125; 5) 151; 6) 172; 7) --- mph
CORNERING L/R: 1.02/1.01 g
70-0 MPH BRAKING: 137 ft
PEAK BRAKING: 1.20 g






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