Audi A4 review - as refined and composed as ever, but is the new A4 fun? - Engine and Gearbox
No matter the body style, this is the best A4 yet
Of the vast choice of engines and power outputs the smallest least powerful choice is the 1.4-litre TFSI petrol, which replaces the old 1.8-litre TFSI. At 148bhp it’s less powerful than the old 168bhp 1.8, but the small drop should be somewhat mitigated by a kerb weight up to 120kg lighter than before.
Next up is a 2.0-litre TFSI, available in both 187bhp and 249bhp outputs. The latter is solely available with Quattro all-wheel drive and a seven-speed S Tronic dual-clutch transmission, while the former is front-drive only but does have manual and dual-clutch gearbox options. Both engines are more powerful than their predecessors; up 20bhp in the lower-powered model and 27bhp in the quicker car.
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The rest of the engine lineup is diesel powered. Sneaking into the 99g/km tax-free band is a revised 2.0 TDI Ultra with 148bhp and 236lb ft of torque, with both manual and S Tronic gearbox choices. There’s also a 187bhp TDI Ultra (also developing 273lb ft), while the same engine powers the S Tronic-only A4 2.0 TDI Quattro.
Topping the range – for now – is a revised version of Audi’s 3.0-litre TDI V6. In its lower 215bhp output there are both front-wheel drive and Quattro drivetrain options, while power to both is supplied by a 7-speed S Tronic gearbox.
The 268bhp TDI Quattro is 11 per cent more powerful than its predecessor, developed between 3250-4250rpm, yet capable of emitting 28 per cent less CO2. There’s a healthy 442lb ft of torque available too, between 1500-3000rpm.
The seven-speed twin-clutch gearbox is, as you’d expect, a more immediate and responsive self-shifter than the eight-speed auto, but in this application the latter really is more than adequate. Both are smooth and refined around town, too.