| Mercedes GLS | Audi A6 |
| Mercedes | Audi |
| GLS 3.0 (400) | A6 3.0 (55 TFSI quattro) Avant |
| 2015 | 2018 |
| 5/7 | 5/5 |
| Wagon | Wagon |
| 2360 |
| 240 | 250 |
| 6.6 |
| 6.2 | 6.1 |
| 680/2300 | 565/1680 |
| 5130 | 4939 |
| 1934 | 1886 |
| 1850 | 1467 |
| 3075 | 2924 |
| 1655/1675 | 1630/1617 |
| 262 |
| Gasoline Direct Injection, turbocharging | Gasoline Direct Injection, turbocharging / electric drive |
| 2996 | 2995 |
| 10.7 | 11.2 |
| V6 | V6 |
| 88x82.1 | 84.5х89 |
| 24 | 24 |
| 333/5250-6000 | 340/5000-6500+16 |
| 480/1600-4000 | 500/1370-4500 |
| 9-speed automatic | 7-speed automatic S-Tronic |
| Four-wheel drive | Four-wheel drive |
Upper and lower A-arm (double wishbone) | Upper and lower A-arm (double wishbone) |
multi-link suspensions | multi-link suspensions |
| 265/60 R18 | 225/60 R17, 225/55 R18 |
| 5x112 ET47 d66.5
| 5x112 ET39 d66.6
|
| Ventilated discs | Ventilated discs |
| Ventilated discs | Ventilated discs |
| 11 |
| 7.5 |
| 9 | 7.5 |
| 95 | 95 |
| 100 | 63 |
| Mercedes GLS | Audi A6 |