Audi A4 / S4 Audi A4 / S4 2018 Lexus IS Lexus IS 2015

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Audi A4 / S4 (2018) vs. Lexus IS (2015) Specs

How powerful is the engine? How much room is in the back seat? Get the 2018 Audi A4 / S4 and 2015 Lexus IS specs.

2018 Audi A4 / S4 and 2015 Lexus IS Specifications

Model Year 2018 2015  
Model Audi A4 / S4 Lexus IS  
Engine turbocharged
3.0L V6
DOHC-4v
354 hp@5400
369 lb-ft@1370
3.5L V6
DOHC-4v
306 hp@6400
277 lb-ft@4800
 
Transmission 8-speed shiftable automatic 6-speed shiftable automatic  
Drivetrain AWD AWD  
Body 4dr Sedan 4dr Sedan  
      Difference
Wheelbase 2,819 mm 2,799 mm 0 mm
Length 4,727 mm 4,666 mm 0 mm
Width 1,842 mm 1,811 mm 0 mm
Height 1,427 mm 1,430 mm 0 mm
Curb Weight 1,750 kg 1,695 kg 0 kg
Fuel Capacity 64 L 66 L -2 L
Headroom, Row 1 988 mm 970 mm 18 mm
Shoulder Room, Row 1 1,420 mm 1,420 mm 0 mm
Hip Room, Row 1 0 mm 1,379 mm -1 mm
Legroom, Row 1 1,049 mm 1,138 mm 0 mm
Headroom, Row 2 950 mm 937 mm 13 mm
Shoulder Room, Row 2 1,384 mm 1,356 mm 0 mm
Hip Room, Row 2 0 mm 1,372 mm -1 mm
Legroom, Row 2 907 mm 818 mm 89 mm
Total Legroom 1,956 mm (over 2 rows) 1,956 mm (over 2 rows) 0 mm
Cargo Volume 368 L 306 L 62 L

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TrueDelta Reviews the Seat Room and Comfort of the 2018 Audi A4 / S4

2018 Audi A4 / S4 Seat Room and Comfort: Pros
YearComment
2017 Before the 2009 model year redesign, the Audi A4's back seat was too tight for adults of more than average size, and marginal even for these. With the 2017 the back seat has grown yet again. Not only this, but the cushion is higher off the floor than in previous A4s or in competitors, such that it's now the most comfortable in the class. This said, the rear doors could open more widely, such that I struggled to get a decent photo of the rear seat. Since its 2014 model year redesign the Lexus IS has had a passably roomy rear seat, but it can't match the Audi's for comfort. see full Audi A4 / S4 review
2018 Audi A4 / S4 Seat Room and Comfort: Cons
YearComment
Pressed to come up with another con, I might offer the front seats. There's nothing bad about them. There's just nothing outstanding about them, either. Those in the sport-trim Lexus provide more lateral support and feel more comfortable to me. (With seats personal impressions are bound to vary, so definitely evaluate them yourself.) see full Audi A4 / S4 review
 

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TrueDelta Reviews the Seat Room and Comfort of the 2015 Lexus IS

2015 Lexus IS Seat Room and Comfort: Pros
YearComment
2016 For me, the front bucket seats in Lexus F Sport models provide a nearly ideal blend of comfort and support. Even when they don't lack lateral support, the seats in competitors don't fit my form as well. Infiniti doesn't offer the Q50 2.0t in Sport form. The standard car's front seats provide little lateral support. The instrument panel appears larger and more imposing in the Infiniti than in the Lexus. Still, I wish the view forward were a little more open in the latter. (The Cadillac ATS is better in this regard.) Lexus lowered the driving position compared to the previous IS to help the car feel sportier. I raised the seat some to compensate. Adding all-wheel-drive to the Lexus IS (and a V6 engine with it, AWD isn't offered with the 2.0T engine) adds another issue, a large hump beneath the driver's right calf. Some drivers might find they have to adjust how they sit to avoid this hump. see full Lexus IS review
 

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