Technical specifications
| Clear list | Cadillac ATS Coupe | Porsche Cayman |
| Totals | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Mark | Cadillac | Porsche |
| Model | ATS Coupe 2.0 T | Cayman 2.7 |
| Year | 2014 | 2012 |
| Number of doors/seats | 2/4 | 3/2+2 |
| Body type | Coupe | Coupe |
| Unladen Weight | 1550 | 1330 (1360) |
| Gross Weight Limit | - | 1655 (1685) |
| Top Speed, km/h | - | 266 (264) |
| Acceleration 0-100 kph | - | 5.7 (5.6) |
| Minimum turning radius, m | 5.6 | - |
| Cargo Volume, min/max, L | 295 | 150+275 |
| Dimensions specifications, mm | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Length | 4663 | 4380 |
| Width | 1842 | 1801 |
| Height | 1392 | 1294 |
| Wheelbase | 2776 | 2475 |
| Front/rear Track | 1532/1567 | 1526/1536 |
| Ground clearance | - | - |
| Engine specifications | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection |
| Displacement, cm3 | 1998 | 2706 |
| Compression ratio | 9.5 | 12.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 6 cylinders, boxer |
| The diameter of the cylinder x stroke, mm | 86х86 | 89х72.5 |
| Number of valves | 16 | 24 |
| Power, hp/rpm | 276/5500 | 275/7400 |
| Max torque, Nm/RPM | 400/3000-4600 | 290/4500-6500 |
| Transmission specifications | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Gearbox | 6-speed manual / 6-speed automatic | 6-speed manual / 7-speed automatic PDK |
| Drive Type | Rear wheel drive | Rear wheel drive |
| Suspension specifications | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | MacPherson strut |
| Tire Size | 225/40 R18, 255/35 R18 | 235/45 R18, 265/45 R18 |
| Disk | 5x120 ET48 d72.6
| 5x130 ET50 d71.5
|
| Brakes specifications | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Ventilated discs | Ventilated discs |
| Fuel consumption specifications, L/100 km | Cadillac ATS Coupe 2.0 T × | Porsche Cayman 2.7 × |
| City | - | 11.8 (10.9) |
| Highway | - | 6.4 (6.2) |
| Combined | 9 | 8.4 (7.9) |
| Fuel | 95 | 98 |
| Tank, L | 60.5 | 64 |
| Clear list | Cadillac ATS Coupe | Porsche Cayman |
