Technical specifications
| Clear list | Mercedes GLS | Audi A6 |
| Totals | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Mark | Mercedes | Audi |
| Model | GLS 3.0 (400) | A6 3.0 (55 TFSI quattro) Avant |
| Year | 2015 | 2018 |
| Number of doors/seats | 5/7 | 5/5 |
| Body type | Wagon | Wagon |
| Unladen Weight | 2360 | - |
| Gross Weight Limit | - | - |
| Top Speed, km/h | 240 | 250 |
| Acceleration 0-100 kph | 6.6 | - |
| Minimum turning radius, m | 6.2 | 6.1 |
| Cargo Volume, min/max, L | 680/2300 | 565/1680 |
| Dimensions specifications, mm | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Length | 5130 | 4939 |
| Width | 1934 | 1886 |
| Height | 1850 | 1467 |
| Wheelbase | 3075 | 2924 |
| Front/rear Track | 1655/1675 | 1630/1617 |
| Ground clearance | 262 | - |
| Engine specifications | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection, turbocharging / electric drive |
| Displacement, cm3 | 2996 | 2995 |
| Compression ratio | 10.7 | 11.2 |
| Number and arrangement of cylinders | V6 | V6 |
| The diameter of the cylinder x stroke, mm | 88x82.1 | 84.5х89 |
| Number of valves | 24 | 24 |
| Power, hp/rpm | 333/5250-6000 | 340/5000-6500+16 |
| Max torque, Nm/RPM | 480/1600-4000 | 500/1370-4500 |
| Transmission specifications | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Gearbox | 9-speed automatic | 7-speed automatic S-Tronic |
| Drive Type | Four-wheel drive | Four-wheel drive |
| Suspension specifications | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Front | Upper and lower A-arm (double wishbone) | Upper and lower A-arm (double wishbone) |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 265/60 R18 | 225/60 R17, 225/55 R18 |
| Disk | 5x112 ET47 d66.5
| 5x112 ET39 d66.6
|
| Brakes specifications | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Ventilated discs | Ventilated discs |
| Fuel consumption specifications, L/100 km | Mercedes GLS 3.0 (400) × | Audi A6 3.0 (55 TFSI quattro) Avant × |
| City | 11 | - |
| Highway | 7.5 | - |
| Combined | 9 | 7.5 |
| Fuel | 95 | 95 |
| Tank, L | 100 | 63 |
| Clear list | Mercedes GLS | Audi A6 |
