Audi A6 / S6 Audi A6 / S6 2018 BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2015

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Audi A6 / S6 (2018) vs. BMW 6-Series Gran Coupe (2015) Specs

How powerful is the engine? How much room is in the back seat? Get the 2018 Audi A6 / S6 and 2015 BMW 6-Series Gran Coupe specs.

2018 Audi A6 / S6 and 2015 BMW 6-Series Gran Coupe Specifications

Model Year 2018 2015  
Model Audi A6 / S6 BMW 6-Series Gran Coupe  
Engine turbocharged
4.0L V8
DOHC-4v
450 hp@5800
406 lb-ft@1400
turbocharged
4.4L V8
DOHC-4v
540 hp@6000
540 lb-ft@1500
 
Transmission 7-speed automated manual 8-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr Sedan 4dr Sedan  
      Difference
Wheelbase 114.6 in 116.9 in -2.3 in
Length 194.2 in 197.2 in -3 in
Width 73.8 in 74.6 in -0.8 in
Height 57.8 in 54.8 in 3 in
Curb Weight 4398 lb. 4610 lb. -212 lb.
Fuel Capacity 19.8 gal. 18.5 gal. 1.3 gal.
Headroom, Row 1 37.2 in 40.6 in -3.4 in
Shoulder Room, Row 1 57.5 in 56.7 in 0.8 in
Legroom, Row 1 41.3 in 42.1 in -0.8 in
Headroom, Row 2 37.8 in 37.0 in 0.8 in
Shoulder Room, Row 2 56.3 in 54.6 in 1.7 in
Legroom, Row 2 37.4 in 35.3 in 2.1 in
Total Legroom 78.7 in (over 2 rows) 77.4 in (over 2 rows) 1.3 in
Cargo Volume 14.1 ft3 16.2 ft3 -2.1 ft3

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TrueDelta Reviews the Seat Room and Comfort of the 2015 BMW 6-Series Gran Coupe

2015 BMW 6-Series Gran Coupe Seat Room and Comfort: Pros
YearComment
2014 Like all BMWs midsize and larger, the 6-Series Gran Coupe can be equipped with the make's multi-contour seats. Thanks to abundant padding and a large number of adjustments, these are about as comfortable and as supportive as seats get. The Audi A7's seats, firmer, flatter, and with far fewer adjustments, aren't as luxurious or nearly as supportive in hard turns. (I did drive the car for over nine hours one day without even a hint of soreness, though.) see full BMW 6-Series Gran Coupe review
2015 BMW 6-Series Gran Coupe Seat Room and Comfort: Cons
YearComment
Even with the 4.5-inch wheelbase stretch, the 6-Series Gran Coupe has a tight, low-mounted rear seat with a virtually useless center position, as the center console extends all the way to the seat. At 5-9, I can sit behind myself with an inch or so above my head and a couple ahead of my up-angled knees. The cushion is well-shaped, but under-sized. The A7 has a much roomier, more comfortable rear seat. It's the one to buy if you want adult-sized people to use that second pair of doors. (Why you'd want these doors if you're not going to use them? I don't know--ask the person who owns one.) see full BMW 6-Series Gran Coupe review
 

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