Giant TCR Advanced Pro 2 vs Specialized Tarmac SL8 Comp - Shimano 105 Di2

Both are race bikes at a similar price. Here is what actually separates them.

The short answer

For a typical all-round rider the Specialized Tarmac SL8 Comp - Shimano 105 Di2 comes out ahead (74% against 72%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Giant

TCR Advanced Pro 2

72% for a typical rider

£3,499 at Brand website

✓ Checked *

Specialized

Tarmac SL8 Comp - Shimano 105 Di2

74% for a typical rider

£3,599 at Brand website

✓ Checked

What actually separates them

Price: The Giant TCR Advanced Pro 2 is £100 cheaper — £3,499 against £3,599.
Shifting: Only the Specialized Tarmac SL8 Comp - Shimano 105 Di2 has electronic shifting. Crisper and lower maintenance, but it needs charging and costs more to replace.

Side by side

Spec	TCR Advanced Pro 2	Tarmac SL8 Comp - Shimano 105 Di2
Price	£3,499	£3,599
Weight	7.8 kg	7.7 kg
Frame	carbon	carbon
Groupset	Shimano 105 12-speed mechanical	Shimano 105 Di2 R7170 2x12 electronic
Stack / reach	1.43	1.43
Tyre clearance	33 mm	32 mm
Lowest gear	29 in	29 in
Mudguard mounts	No	No
Comfort	37	30
Speed	77	81
Climbing	72	74
Value	12	25

Neither might be the right answer

This page assumes an average rider. Tell us how you actually ride and we will rank these two against everything else at the price.

Find my bike